CN117168373B - Reservoir dam body deformation monitoring system based on satellite leads to remote integration - Google Patents
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Abstract
The application provides a reservoir dam body deformation monitoring system based on satellite communication and remote integration, wherein a GNSS monitoring unit of a first monitoring subsystem receives positioning signals of navigation satellites and processes the positioning signals to obtain first monitoring data, and the first monitoring data are sent to a service platform through a high-flux satellite communication unit, so that monitoring data of a dam body are obtained in real time and are transmitted to the service platform to be analyzed and processed to obtain first deformation data; the InSAR monitoring unit measures second monitoring data of a reservoir dam monitoring area, processes the second monitoring data into SAR images through the remote sensing satellite data processing unit, sends the SAR images to the service platform, and the service platform respectively processes the first monitoring data and the second monitoring data to obtain first deformation data and second deformation data; and the first deformation data and the second deformation data are fused and displayed, so that the analysis precision and the analysis quality of the deformation information are higher.
Description
Technical Field
The application relates to the technical field of reservoir dam deformation monitoring, in particular to a reservoir dam deformation monitoring system based on satellite communication and remote control integration.
Background
In the prior art, reservoir deformation monitoring and early warning in a public network area are mainly realized by adopting three monitoring systems, namely a dam body deformation monitoring system based on a global navigation satellite system (Global Navigation SATELLITE SYSTEM, abbreviated as GNSS) is adopted, and deformation monitoring is realized by utilizing a navigation satellite positioning technology; secondly, a deformation monitoring system adopting a satellite-borne synthetic aperture radar interferometry technology (Interferometric Synthetic Aperture Radar, inSAR for short) is adopted, and the deformation monitoring is realized by utilizing the phase difference value of radar signals reflected by the earth surface continuously measured by SAR satellites; thirdly, the monitoring system combining the GNSS and the InSAR (fusion of the GNSS and the InSAR) can obtain better deformation monitoring effect by utilizing the fusion of the GNSS and the InSAR. The GNSS technology used by the GNSS monitoring system and the GNSS and InSAR integrated monitoring system needs to use the Internet or a 4/5G network to carry out real-time feedback on monitoring information in a deformation monitoring area, so that the online monitoring of the deformation of the dam body is guaranteed, however, because part of the disease risk reservoirs are in mountain areas without public networks or areas where the public networks are not easy to deploy, the dam body of the part of the reservoirs has the problems that the automatic real-time online monitoring cannot be carried out, dangerous situations can not be timely predicted, and the like. The Insar deformation monitoring method can only carry out deformation monitoring in satellite transit time due to the limit of SAR satellite transit period, so that the problems of poor real-time monitoring capability, weak all-weather monitoring capability, untimely early warning and the like exist in dam deformation monitoring.
Disclosure of Invention
Therefore, the application aims to provide a reservoir dam deformation monitoring system based on satellite communication and remote control integration, so as to solve the problem that the reservoir dam in the non-net area cannot be subjected to all-weather, real-time and automatic deformation monitoring and early warning.
Based on the above purpose, the application provides a reservoir dam deformation monitoring system based on satellite communication and remote control integration, which comprises: the system comprises a first monitoring subsystem, a second monitoring subsystem and a service platform;
the first monitoring subsystem comprises a navigation satellite, a GNSS monitoring unit and a high-flux satellite communication unit, wherein the GNSS monitoring unit is used for receiving positioning signals of the navigation satellite, processing the positioning signals to obtain first monitoring data, and sending the first monitoring data to the service platform through the high-flux satellite communication unit;
The second monitoring subsystem comprises an InSAR monitoring unit and a remote sensing satellite data processing unit, wherein the InSAR monitoring unit is used for measuring second monitoring data of a reservoir dam monitoring area, processing the second monitoring data into SAR images through the remote sensing satellite data processing unit and sending the SAR images to the service platform;
the service platform is used for receiving the first monitoring data sent by the first monitoring subsystem and the SAR image sent by the second monitoring subsystem, analyzing and processing the first monitoring data to obtain first deformation data, analyzing and processing the SAR image to obtain second deformation data, and carrying out early warning and displaying according to the first deformation data and the second deformation data.
Optionally, the GNSS monitoring unit includes at least one GNSS monitoring terminal, a GNSS reference station, a high-throughput satellite communication terminal, and a plurality of wireless bridges, where the GNSS monitoring terminal and the GNSS reference station are connected to the navigation satellite through a satellite link, the GNSS monitoring terminal and the GNSS reference station are both wired to the corresponding wireless bridge, the wireless bridge is connected to the high-throughput satellite communication terminal through a microwave link, the high-throughput satellite communication terminal is connected to the high-throughput satellite communication unit through a satellite link, and the high-throughput satellite communication unit is connected to the service platform through an optical fiber link.
Optionally, the high-throughput satellite communication terminal is integrated with a first bridge aggregation base station, and the first bridge aggregation base station is connected with a plurality of wireless bridges through microwave links respectively.
Optionally, the GNSS monitoring unit further includes a second bridge aggregation base station, where the second bridge aggregation base station is connected to the wireless bridge through a microwave link, and the second wireless bridge aggregation base station is wired to the high-flux satellite communication terminal.
Optionally, the GNSS monitoring unit further includes a camera monitoring terminal, and the camera monitoring terminal is connected with the corresponding wireless network bridge in a wired manner.
Optionally, the high-throughput satellite communication unit comprises: the high-flux satellite communication system comprises a high-flux communication satellite, a high-flux satellite gateway station and a high-flux satellite operator service center, wherein the high-flux communication satellite is connected with the high-flux satellite communication terminal through a satellite link, the high-flux communication satellite is connected with the high-flux satellite gateway station through a satellite link, the high-flux satellite gateway station is connected with the high-flux satellite operator service center through an optical fiber link, and the high-flux satellite operator service center is connected with the service platform through an optical fiber link.
Optionally, the InSAR monitoring unit includes a SAR satellite, the remote sensing satellite data processing unit includes a remote sensing data center, the SAR satellite is connected with the remote sensing data center through a satellite link, and the remote sensing data center is connected with the service platform through an optical fiber link.
Optionally, the service platform is further configured to perform fusion processing on the first deformation data and the second deformation data, obtain target deformation data, and display the target deformation data.
According to the reservoir dam deformation monitoring system based on satellite communication and remote control integration, the GNSS monitoring unit of the first monitoring subsystem receives navigation satellite positioning signals to process the navigation satellite positioning signals to obtain first monitoring data, and the high-throughput satellite communication unit is used for sending the first monitoring data to the service platform, so that the monitoring data of the reservoir dam are obtained in real time and are transmitted to the service platform, the service platform analyzes and processes the monitoring data of the reservoir dam obtained in real time to obtain the first deformation data, and the problem that the deformation monitoring data of the reservoir dam in a non-network area cannot be collected, transmitted and analyzed in real time on line is solved. And the InSAR monitoring unit of the second monitoring subsystem is used for measuring second monitoring data of the reservoir dam monitoring area, the remote sensing satellite data processing unit is used for processing the second monitoring data into SAR images, and the SAR images are sent to the service platform, so that the timing measurement of reservoir dam deformation data is realized. The service platform analyzes and processes the first monitoring data to obtain first deformation data, analyzes and processes the SAR image sent by the second monitoring subsystem to obtain second deformation data, and displays the first deformation data and the second deformation data, so that the service platform analyzes and fuses the two monitoring results, the analysis precision and analysis quality of the deformation data are higher, and full-time, automatic, real-time and efficient deformation monitoring and early warning of the net-free area reservoir dam body are realized.
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In order to more clearly illustrate the technical solutions of the present application or related art, the drawings that are required to be used in the description of the embodiments or related art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort to those of ordinary skill in the art.
FIG. 1 is a schematic diagram of a reservoir dam deformation monitoring system based on satellite communication and remote integration according to an embodiment of the application;
FIG. 2 is a schematic diagram of a reservoir dam deformation monitoring system based on satellite communication and remote integration according to an embodiment of the application;
FIG. 3 is a schematic diagram of a reservoir dam deformation monitoring system based on satellite communication and remote integration according to another embodiment of the present application;
fig. 4 is a schematic diagram of a reservoir dam deformation monitoring system based on satellite communication and remote integration according to another embodiment of the present application.
Detailed Description
The present application will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used in embodiments of the present application, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In the related art, a deformation monitoring system based on a GNSS technology: the system is mainly applied to places where the public networks exist, but a considerable part of small reservoirs in China are located in remote areas where the public networks such as mountain areas are high in deployment cost or optical fibers are difficult to lay, and the system cannot realize automatic online monitoring of reservoir dam deformation in the areas without the public networks. Insar-based monitoring system: deformation measurement and analysis can be performed on the dam body only when the SAR satellite passes through the dam body monitoring area, all-weather measurement cannot be realized, and therefore the system has the problems of non-real-time deformation measurement, long measurement interval period and the like. A monitoring system for fusing GNSS and InSAR: the system has the defects of non-real-time deformation monitoring and long monitoring period due to the fact that GNSS monitoring cannot be used on line in a public network-free area.
In order to solve the technical problems, a GNSS monitoring unit of a first monitoring subsystem receives positioning signals of the navigation satellite and processes the positioning signals to obtain first monitoring data, and the high-flux satellite communication unit is utilized to send the first monitoring data to the service platform, so that monitoring data of a dam body are obtained in real time and are transmitted to the service platform, and the service platform analyzes and processes the monitoring data of the dam body of the reservoir obtained in real time to obtain first deformation data; the method solves the problem that monitoring data of the dam body of the water reservoir in the non-network area cannot be collected, transmitted and analyzed on line in real time. The InSAR monitoring unit of the second monitoring subsystem is used for measuring second monitoring data of the reservoir dam monitoring area, the remote sensing satellite data processing unit is used for processing the second monitoring data into SAR images, and the SAR images are sent to the service platform, so that the interval measurement (namely, timing measurement and measurement at preset time) of the reservoir dam deformation data is realized. The service platform analyzes and processes the first monitoring data to obtain first deformation data, analyzes and processes the SAR image to obtain second deformation data, displays the first deformation data and the second deformation data, and can fuse and process the first deformation data and the second deformation data to obtain high-precision and high-quality deformation analysis results.
Referring to fig. 1 and 3, the application provides a reservoir dam deformation monitoring system based on satellite communication and remote integration, comprising: the system comprises a first monitoring subsystem, a second monitoring subsystem and a service platform;
the first monitoring subsystem comprises a navigation satellite, a GNSS monitoring unit and a high-flux satellite communication unit, wherein the GNSS monitoring unit is used for receiving positioning signals of the navigation satellite, processing the positioning signals to obtain first monitoring data, and sending the first monitoring data to the service platform through the high-flux satellite communication unit;
The second monitoring subsystem comprises an InSAR monitoring unit and a remote sensing satellite data processing unit, wherein the InSAR monitoring unit is used for measuring second monitoring data of a reservoir dam monitoring area, processing the second monitoring data into SAR images through the remote sensing satellite data processing unit and sending the SAR images to the service platform;
the service platform is used for receiving the first monitoring data sent by the first monitoring subsystem and the SAR image sent by the second monitoring subsystem, analyzing and processing the first monitoring data to obtain first deformation data, analyzing and processing the SAR image to obtain second deformation data, and carrying out early warning and displaying according to the first deformation data and the second deformation data.
Specifically, the navigation satellite sends a positioning signal, the GNSS monitoring unit receives the positioning signal of the navigation satellite at a monitoring point and processes the positioning signal to obtain first monitoring data, and the first monitoring data is sent to the service platform through the high-flux satellite communication unit, so that monitoring data of a dam body are obtained in real time and are transmitted to the service platform for display; the method solves the problem that the deformation monitoring data of the water reservoir dam body in the net-free area cannot be acquired, transmitted and analyzed on line in real time. The InSAR monitoring unit of the second monitoring subsystem is used for measuring second monitoring data of a reservoir dam monitoring area (namely, the SAR satellite is used for acquiring a reflection signal of radar waves sent by the satellite), the remote sensing satellite data processing unit is used for processing the second monitoring data into SAR images (namely, the received reflection signal is processed into SAR images), and the SAR images are sent to the service platform, so that interval measurement of reservoir dam deformation data is realized. The service platform analyzes and processes the first monitoring data to obtain first deformation data, analyzes and processes the SAR image to obtain second deformation data, and displays the first deformation data and the second deformation data, so that the service platform analyzes and early warns according to two monitoring results, the analysis precision and analysis quality of the deformation data are higher, and full-time, automatic, real-time and efficient deformation monitoring and early warning of the net-free area reservoir dam body are realized.
In some embodiments, referring to fig. 3 and 4, the GNSS monitoring unit includes at least one GNSS monitoring terminal, a GNSS reference station, a high-throughput satellite communication terminal, and a plurality of wireless bridges, where the GNSS monitoring terminal and the GNSS reference station are connected to the navigation satellite through satellite links, the GNSS monitoring terminal and the GNSS reference station are both wired to the corresponding wireless bridges, the wireless bridges are connected to the high-throughput satellite communication terminal through microwave links, the high-throughput satellite communication terminal is connected to the high-throughput satellite communication unit through satellite links, and the high-throughput satellite communication unit is connected to the service platform through optical fiber links.
Specifically, a GNSS monitoring terminal is deployed at each of a plurality of reservoir dam monitoring points, a GNSS reference station is deployed at a position near the reservoir dam where landslide and deformation are not likely to occur, a wireless network bridge is configured for each GNSS monitoring terminal and each GNSS reference station, all data are transmitted to a high-flux satellite communication terminal through the corresponding wireless network bridge, the high-flux satellite communication terminal gathers all data and transmits the gathered data to a high-flux satellite communication unit, and the gathered data are transmitted to a service platform through the high-flux satellite communication unit so as to realize real-time measurement of monitoring data of the reservoir dam monitoring points, and the service platform is used for carrying out real-time processing on the monitoring data to obtain first deformation data, namely deformation data of the reservoir dam monitoring points are measured in real time. The specific data transmission process comprises the following steps: the method comprises the steps that positioning signals of navigation satellites are received by a GNSS monitoring terminal and a GNSS reference station of each monitoring point to obtain first monitoring data, the first monitoring data are transmitted to a high-flux satellite communication terminal through a corresponding wireless network bridge by the GNSS monitoring terminal and the GNSS reference station (namely, the high-flux satellite communication terminal can receive first data transmitted by a plurality of GNSS monitoring terminals and second data transmitted by the GNSS reference station, the first data and the second data are the first monitoring data), the high-flux satellite communication terminal receives all the first monitoring data of all the GNSS monitoring terminals and the GNSS reference station and then converges the first monitoring data, the converged data are transmitted to a high-flux satellite communication unit through a satellite link, and the converged data are received by the high-flux satellite communication unit and are transmitted to a service platform, so that the service platform can receive the data of all the GNSS monitoring terminals and the GNSS reference station in real time; the service platform corrects the first monitoring data transmitted by the GNSS monitoring terminal according to the first monitoring data transmitted by the GNSS reference station, so that the service platform can acquire more accurate first monitoring data, and the service platform can analyze and process the first monitoring data to obtain more accurate deformation data.
The service platform stores early warning grade information and early warning categories corresponding to the early warning grade information, compares the early warning grade information with the first deformation data or the second deformation data or the target deformation data according to the first deformation data or the second deformation data, and performs early warning according to the early warning grade information and the corresponding early warning categories, wherein the early warning categories comprise early warning sound, early warning popup windows and the like.
In some embodiments, referring to fig. 3 and fig. 4, a first bridge aggregation base station is integrated in the high-throughput satellite communication terminal, and the first bridge aggregation base station is connected with a plurality of wireless bridges through microwave links respectively.
Specifically, in this embodiment, the high-throughput satellite communication terminal is deployed at a location with an open field of view around the monitoring point of the dam body of the reservoir, and the first bridge aggregation base station is integrated in the high-throughput satellite communication terminal, so that the high-throughput satellite can directly communicate with each wireless bridge, the data transmission efficiency is improved, and the high-throughput satellite communication terminal receives and aggregates the data transmitted by each wireless bridge in a microwave link communication manner.
In some embodiments, referring to fig. 1 and 2, the GNSS monitoring unit further includes a second bridge aggregation base station, where the second bridge aggregation base station is connected to the wireless bridge through a microwave link, and the second wireless bridge aggregation base station is wired to the high-throughput satellite communication terminal.
Specifically, in the present embodiment, the second bridge aggregation base station is a device provided outside the high-throughput satellite communication terminal, unlike the above embodiment. The first monitoring data of each reservoir dam monitoring point is transmitted to a second network bridge convergence base station through a wireless network bridge, all the monitoring data are converged by the second network bridge convergence base station and then transmitted to a high-flux satellite communication terminal, and the data processing capacity of the high-flux satellite communication terminal is reduced; the wireless bridge and the second network bridge convergence base station communicate through a microwave link, and the advantage of adopting the microwave link for communication is that the disaster resistance performance is better, and the frequency bandwidth and the capacity are large and the transmission rate is higher.
The high-flux satellite communication terminal has the characteristics of miniaturization, high speed, easiness in deployment and the like, is deployed in a place with wide visual field around the reservoir dam body, receives data collected by the two network bridge convergence base stations in a wired (an exemplary network port RJ-45 wired mode), and reduces the data processing capacity of the high-flux satellite communication terminal.
Further, in the reservoir dam monitoring process, the second network bridge convergence base station is selected to transmit the information of each wireless network bridge to the high-flux satellite communication terminal independently of the transmission mode of the high-flux satellite communication terminal, or the first network bridge convergence base station is selected to transmit the information of each wireless network bridge to the high-flux satellite communication terminal in a transmission mode integrated in the high-flux satellite communication terminal.
In some embodiments, referring to fig. 1 to 4, the GNSS monitoring unit further includes a camera monitoring terminal that is wired to the corresponding wireless bridge.
Specifically, a camera monitoring terminal (for example, a camera) is disposed at the key position of the reservoir dam body, the camera monitoring terminal is used for monitoring the GNSS monitoring terminal and the reservoir dam body (that is, image shooting is performed on the GNSS monitoring terminal and the reservoir dam body), collected image data (including the monitored image of the GNSS monitoring terminal and the monitored image of the reservoir dam body) is transmitted to a high-flux satellite communication terminal through a wireless bridge to perform data aggregation, or the collected image data is transmitted to a bridge aggregation base station II through the wireless bridge to perform data aggregation and is transmitted to the high-flux satellite communication terminal through the bridge aggregation base station II; the method realizes the collection and transmission of the image data at the key positions of the reservoir dam body, so that the monitoring system realizes the visual monitoring, solves the problem that the dam body is measurable and invisible in the monitoring site of the area without public network, provides visual technical support for the rapid decision of key moments such as reservoir dam body risk early warning, improves the decision making efficiency and reduces the risk of misjudgment.
In some embodiments, referring to fig. 2 and 4, the high-throughput satellite communication unit comprises: the high-flux satellite communication system comprises a high-flux communication satellite, a high-flux satellite gateway station and a high-flux satellite operator service center, wherein the high-flux communication satellite is connected with the high-flux satellite communication terminal through a satellite link, the high-flux communication satellite is connected with the high-flux satellite gateway station through a satellite link, the high-flux satellite gateway station is connected with the high-flux satellite operator service center through an optical fiber link, and the high-flux satellite operator service center is connected with the service platform through an optical fiber link.
Specifically, the high-throughput satellite communication unit is a communication network of a high-throughput satellite communication terminal and a service platform; the system can also be used for sending the management and control information set by the service platform end to the high-flux satellite communication terminal, sending the management and control information to a wireless network bridge in a monitoring point or a key position to be managed and controlled through the high-flux satellite communication terminal, and sending the management and control information to the GNSS monitoring unit through the wireless network bridge, so that the GNSS monitoring unit works according to the management and control information. The high-flux satellite communication unit is connected with the high-flux satellite communication terminal through a satellite link, so that data transmission in the networking region can be realized. The problem of high paving cost of the public network in the remote area is solved by utilizing the high-flux satellite communication unit, so that the problem of risk monitoring of deformation of the dam body of the disease risk reservoir in the public network-free area is fundamentally eliminated, the safety protection capability of the reservoir is improved, and the property loss is reduced.
The high throughput communication satellite (HTS, high Throughput Satellite), which is also called high throughput communication satellite, is characterized by multiple spot beam, frequency multiplexing, high beam gain, etc. compared with the traditional large beam communication satellite, and has the advantages of large communication capacity and high communication rate. The high-flux communication satellite transmits the received converged first monitoring data and/or image data to the high-flux satellite gateway station through a satellite link, the high-flux satellite gateway station transmits the received first monitoring data and/or image data to the high-flux satellite operator service center through an optical fiber link, and the high-flux satellite operator service center transmits the first monitoring data and/or image data to the service platform for data processing, analysis and display.
In some embodiments, referring to fig. 2 and 4, the InSAR monitoring unit includes a SAR satellite, the remote sensing satellite data processing unit includes a remote sensing data center, the SAR satellite is connected to the remote sensing data center through a satellite link, and the remote sensing data center is connected to the service platform through an optical fiber link.
Specifically, the SAR satellite is a radar satellite, when the dam monitoring area of the border reservoir passes through (namely, the SAR satellite runs through the dam monitoring area of the reservoir), radar waves are transmitted to the monitoring area, reflected signals (namely, second monitoring data) of the monitoring area are received and then transmitted to the remote sensing data center, the remote sensing data center processes the received signals to form SAR images, the SAR images are transmitted to the service platform, and the service platform calculates second deformation data according to the two SAR images of the same monitoring area.
In some embodiments, the service platform is further configured to fuse the first deformation data and the second deformation data to obtain target deformation data, and display the target deformation data.
Specifically, after receiving the first monitoring data transmitted by the first monitoring subsystem and the image data transmitted by the camera monitoring terminal, the service platform analyzes and processes the first deformation data of the reservoir dam and the visual monitoring image of the reservoir dam based on navigation positioning and real-time monitoring according to the position data transmitted by the GNSS monitoring terminal, the position data and the differential data transmitted by the GNSS reference station and the image data shot by the camera monitoring terminal, and meanwhile, the service platform receives SAR images processed by a remote sensing data center of the second monitoring subsystem at intervals (namely preset time), acquires second deformation data of the reservoir dam monitoring area by using the phase difference of the two SAR images of the same monitoring area, and performs fusion processing on the second deformation data and the first deformation data (for example, fusion of the first deformation data and the second deformation data is realized according to a weighting algorithm) to acquire the deformation data of the reservoir dam with higher precision and higher quality.
It should be noted that the foregoing describes some embodiments of the present application. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments described above and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the application as described above, which are not provided in detail for the sake of brevity.
Well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the figures provided. Furthermore, the devices may be shown in block diagram form in order to avoid obscuring the embodiments of the present application, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the embodiments of the present application are to be implemented (i.e., such specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the application, it should be apparent to one skilled in the art that embodiments of the application can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the application has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may use the embodiments discussed.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are within the spirit and principles of the embodiments of the application, are intended to be included within the scope of the application.
Claims (5)
1. Reservoir dam body deformation monitoring system based on satellite leads remote integration, characterized by comprising: the system comprises a first monitoring subsystem, a second monitoring subsystem and a service platform;
The first monitoring subsystem comprises a navigation satellite, a GNSS monitoring unit and a high-flux satellite communication unit, wherein the GNSS monitoring unit is used for receiving positioning signals of the navigation satellite, processing the positioning signals to obtain first monitoring data, and sending the first monitoring data to the service platform through the high-flux satellite communication unit; the GNSS monitoring unit comprises at least one GNSS monitoring terminal, a GNSS reference station, a high-flux satellite communication terminal and a plurality of wireless bridges, wherein the GNSS monitoring terminal and the GNSS reference station are connected with the navigation satellites through satellite links, the GNSS monitoring terminal and the GNSS reference station are both connected with the corresponding wireless bridges in a wired manner, the wireless bridges are connected with the high-flux satellite communication terminal through microwave links, the high-flux satellite communication terminal is connected with the high-flux satellite communication unit through satellite links, and the high-flux satellite communication unit is connected with the service platform through optical fiber links; the high-throughput satellite communication unit includes: the high-flux satellite communication system comprises a high-flux communication satellite, a high-flux satellite gateway station and a high-flux satellite operator service center, wherein the high-flux communication satellite is connected with the high-flux satellite communication terminal through a satellite link, the high-flux communication satellite is connected with the high-flux satellite gateway station through a satellite link, the high-flux satellite gateway station is connected with the high-flux satellite operator service center through an optical fiber link, and the high-flux satellite operator service center is connected with the service platform through an optical fiber link;
The second monitoring subsystem comprises an InSAR monitoring unit and a remote sensing satellite data processing unit, wherein the InSAR monitoring unit is used for measuring second monitoring data of a reservoir dam monitoring area, processing the second monitoring data into SAR images through the remote sensing satellite data processing unit and sending the SAR images to the service platform; the InSAR monitoring unit comprises an SAR satellite, the remote sensing satellite data processing unit comprises a remote sensing data center, the SAR satellite is connected with the remote sensing data center through a satellite link, and the remote sensing data center is connected with the service platform through an optical fiber link;
The service platform is used for receiving the first monitoring data sent by the first monitoring subsystem and the SAR image sent by the second monitoring subsystem, analyzing and processing the first monitoring data to obtain first deformation data, analyzing and processing the SAR image to obtain second deformation data, and carrying out early warning and displaying on the first deformation data and the second deformation data.
2. The reservoir dam deformation monitoring system based on satellite communication and remote integration according to claim 1, wherein a first network bridge convergence base station is integrated in the high-throughput satellite communication terminal and is connected with a plurality of wireless network bridges through microwave links.
3. The reservoir dam deformation monitoring system based on satellite communication and remote integration according to claim 1, wherein the GNSS monitoring unit further comprises a second bridge convergence base station, the second bridge convergence base station is connected with the wireless bridge through a microwave link, and the second wireless bridge convergence base station is connected with the high-flux satellite communication terminal in a wired mode.
4. A reservoir dam deformation monitoring system based on satellite lead-through and remote integration according to claim 2 or 3, wherein the GNSS monitoring unit further comprises a camera monitoring terminal, and the camera monitoring terminal is connected with the corresponding wireless network bridge in a wired manner.
5. The reservoir dam body deformation monitoring system based on satellite lead-through and remote integration according to claim 1, wherein the service platform is further used for performing fusion processing on the first deformation data and the second deformation data to obtain target deformation data and displaying the target deformation data.
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| CN114935774A (en) * | 2022-06-14 | 2022-08-23 | 钟杰 | Marine wind power basis subsides and slope safety monitoring device based on big dipper location |
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