CN104808206A - Double-line polarized pulsed Doppler weather radar system - Google Patents
Double-line polarized pulsed Doppler weather radar system Download PDFInfo
- Publication number
- CN104808206A CN104808206A CN201510212027.1A CN201510212027A CN104808206A CN 104808206 A CN104808206 A CN 104808206A CN 201510212027 A CN201510212027 A CN 201510212027A CN 104808206 A CN104808206 A CN 104808206A
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- polarization
- antenna
- conversion switch
- polarization conversion
- receiver
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a double-line polarized pulsed Doppler weather radar system comprising an emitter, a receiver, an antenna control system, a display control terminal system, a polarization conversion switch, an orthogonal module coupler and an antenna. The receiver is connected to the polarization conversion switch, the polarization conversion switch is connected to the orthogonal module coupler, the antenna serves as a carrier for emitting and receiving signals, and the antenna control system is connected to the antenna through the polarization conversion switch; the receiver comprises a filter system, a frequency mixer, a digital receiver, a host and a tester sequentially; the filter system is connected to the polarization conversion switch, the host is connected to a signal data processor, and the signal data processor is connected to the antenna control system, the emitter and the display control terminal system. According to the double-line polarized pulsed Doppler weather radar system, multiple channel signal processing is adopted, the measuring accuracy and detecting efficiency are high, grounding clutter and clutter caused by rain droplets can be filtered, the automatic regulation level is high, and the channel gain consistence of all frequencies, dual channels and full temperature range can be met.
Description
Technical field
The present invention relates to a kind of radar, specifically a kind of polarization CINRAD system system.
Background technology
From the beginning of the sixties, the appearance of CINRAD system, for the detection of strong storm, new situation has been started in the meteorological works such as the research of physics of clound and fog process and the test of artificial affecting, CINRAD system is utilized to observe the structure of Horizontal Winds in precipitation area, drop-size distribution distribution etc. in the field structure of uprush and some Precipitation Clouds, a large amount of site tests shows, pulse Doppler is a kind of of great value atmospheric remote sensing detecting devices, digital technology, real-time process can be reached after computer technology and pulse Doppler radar combine with technique, the object of real-time display, but also there is following problem in radar Doppler at present: signal system link design is complicated, receive-launch binary channels and polarization feeder network calibration imperfection, dual-polarization parameter (LDR) detects poor in timeliness, large by external condition interference, land clutter filtration result is not good.
Summary of the invention
The object of the present invention is to provide a kind of polarization CINRAD system system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of polarization CINRAD system system, comprise transmitter, receiver, antenna control system, aobvious control terminal system, polarization conversion switch, orthomode coupler and antenna, the i signal that described transmitter is launched accesses the horizontal polarization mouth of orthomode coupler by polarization conversion switch, the h signal that transmitter is launched accesses the vertical polarization mouth of orthomode coupler by polarization conversion switch, the carrier that antenna transmits and receives as signal; Described polarization conversion switch is connected with antenna control system, receiver respectively; Described receiver comprises the filtering system, frequency mixer, digit receiver, main frame and the testing tool that connect successively, filtering system is connected with polarization conversion switch, for the signal filtering of the inspection mutually removal of impurities to reception, described main frame is also connected with signal data processor, and signal data processor is connected with antenna control system, transmitter and aobvious control terminal system respectively.
As the further scheme of the present invention: described filtering system comprises SAW (Surface Acoustic Wave) filter and radio-frequency filter.
As the present invention's further scheme: described signal data processor is provided with storer, temperature sensor and numerical-control attenuator.
As the present invention's further scheme: described aobvious control terminal system comprises the first aobvious control terminal, the second aobvious control terminal and remote terminal.
As the present invention's further scheme: described filtering system also comprises TIR wave filter.
As the present invention's further scheme: described main frame is PC or industrial computer.
Compared with prior art, the invention has the beneficial effects as follows: the present invention adopts multi-channel signal processing, can realize accurately measuring the meteorological target of multidimensional, detection efficiency is high; Adopt dual-polarization technology to greatly strengthen the ability of microphysical property in detection hail and cloud, arranging of aluminium foil system can the clutter that causes of filtering land clutter and raindrop, greatly improves detection accuracy rate, little by external environmental interference; Digital information processing system automated debug degree is high, intelligence degree is high, can meet the channel gain consistance of whole frequency, binary channels and total temperature scope.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, a kind of polarization CINRAD system system, comprise transmitter 1, receiver 2, antenna control system 3, aobvious control terminal system 4, polarization conversion switch 5, orthomode coupler 6 and antenna 7, the i signal that described transmitter 1 is launched accesses the horizontal polarization mouth of orthomode coupler 6 by polarization conversion switch 5, the h signal that transmitter 1 is launched accesses the vertical polarization mouth of orthomode coupler 6 by polarization conversion switch 5, the carrier that antenna 7 transmits and receives as signal, described polarization conversion switch 5 is connected with antenna control system 3, receiver 2 respectively, described receiver 2 comprises the filtering system 8 connected successively, frequency mixer 9, digit receiver 10, main frame 11 and testing tool 12, filtering system 8 comprises SAW (Surface Acoustic Wave) filter 13 and radio-frequency filter 14, filtering system 8 is connected with polarization conversion switch 5, for the signal filtering of the inspection mutually removal of impurities to reception, described main frame 11 is also connected with signal data processor 15, signal data processor 15 is provided with storer 16, temperature sensor 17 and numerical-control attenuator 18, signal data processor 15 respectively with antenna control system 3, transmitter 1 and aobvious control terminal system 4 are connected, described aobvious control terminal system 4 comprises the first aobvious control terminal 19, second aobvious control terminal 20 and remote terminal 21.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a polarization CINRAD system system, comprise transmitter (1), receiver (2), antenna control system (3), aobvious control terminal system (4), polarization conversion switch (5), orthomode coupler (6) and antenna (7), it is characterized in that: the i signal that described transmitter (1) is launched accesses the horizontal polarization mouth of orthomode coupler (6) by polarization conversion switch (5), the h signal that transmitter (1) is launched accesses the vertical polarization mouth of orthomode coupler (6) by polarization conversion switch (5), the carrier that antenna (7) transmits and receives as signal, described polarization conversion switch (5) is connected with antenna control system (3), receiver (2) respectively, described receiver (2) comprises the filtering system (8), frequency mixer (9), digit receiver (10), main frame (11) and the testing tool (12) that connect successively, filtering system (8) is connected with polarization conversion switch (5), for the signal filtering of the inspection mutually removal of impurities to reception, described main frame (11) is also connected with signal data processor (15), and signal data processor (15) is connected with antenna control system (3), transmitter (1) and aobvious control terminal system (4) respectively.
2. polarization CINRAD system system according to claim 1, is characterized in that, described filtering system (8) comprises SAW (Surface Acoustic Wave) filter (13) and radio-frequency filter (14).
3. polarization CINRAD system system according to claim 1, it is characterized in that, described signal data processor (15) is provided with storer (16), temperature sensor (17) and numerical-control attenuator (18).
4. polarization CINRAD system system according to claim 1, it is characterized in that, described aobvious control terminal system (4) comprises the first aobvious control terminal (19), the second aobvious control terminal (20) and remote terminal (21).
5. the polarization CINRAD system system according to claim 1-2, is characterized in that, described filtering system (8) also comprises TIR wave filter.
6. polarization CINRAD system system according to claim 1, is characterized in that, described main frame (11) is PC or industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212027.1A CN104808206A (en) | 2015-04-29 | 2015-04-29 | Double-line polarized pulsed Doppler weather radar system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212027.1A CN104808206A (en) | 2015-04-29 | 2015-04-29 | Double-line polarized pulsed Doppler weather radar system |
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| CN104808206A true CN104808206A (en) | 2015-07-29 |
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| CN201510212027.1A Pending CN104808206A (en) | 2015-04-29 | 2015-04-29 | Double-line polarized pulsed Doppler weather radar system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093947A (en) * | 2016-08-23 | 2016-11-09 | 南京恩瑞特实业有限公司 | Ka wave band millimeter wave Continuous Wave with frequency modulation cloud detection radar |
| CN107643522A (en) * | 2017-09-19 | 2018-01-30 | 中国电子科技集团公司第三十八研究所 | A kind of spaceborne sexual intercourse instrumentation radar system of Dual-band dual-polarization |
| CN109696708A (en) * | 2017-10-20 | 2019-04-30 | 中国工程物理研究院电子工程研究所 | A kind of remote non-imaging type human body hidden dangerous goods detector |
| CN109981135A (en) * | 2019-04-23 | 2019-07-05 | 四川众为创通科技有限公司 | Terahertz is the same as transmitting-receiving full duplex multi-carrier communications systems |
| CN110515042A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | Dual polarization radar antenna receives system |
Citations (2)
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| US5583972A (en) * | 1993-08-02 | 1996-12-10 | Miller; Richard L. | 3-D weather display and weathercast system |
| CN103323850A (en) * | 2013-05-28 | 2013-09-25 | 芜湖航飞科技股份有限公司 | Double-linear polarization Doppler weather radar system |
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2015
- 2015-04-29 CN CN201510212027.1A patent/CN104808206A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5583972A (en) * | 1993-08-02 | 1996-12-10 | Miller; Richard L. | 3-D weather display and weathercast system |
| CN103323850A (en) * | 2013-05-28 | 2013-09-25 | 芜湖航飞科技股份有限公司 | Double-linear polarization Doppler weather radar system |
Non-Patent Citations (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093947A (en) * | 2016-08-23 | 2016-11-09 | 南京恩瑞特实业有限公司 | Ka wave band millimeter wave Continuous Wave with frequency modulation cloud detection radar |
| CN107643522A (en) * | 2017-09-19 | 2018-01-30 | 中国电子科技集团公司第三十八研究所 | A kind of spaceborne sexual intercourse instrumentation radar system of Dual-band dual-polarization |
| CN107643522B (en) * | 2017-09-19 | 2020-07-07 | 中国电子科技集团公司第三十八研究所 | Dual-band dual-polarization satellite-borne cloud and rain measurement radar system |
| CN109696708A (en) * | 2017-10-20 | 2019-04-30 | 中国工程物理研究院电子工程研究所 | A kind of remote non-imaging type human body hidden dangerous goods detector |
| CN109981135A (en) * | 2019-04-23 | 2019-07-05 | 四川众为创通科技有限公司 | Terahertz is the same as transmitting-receiving full duplex multi-carrier communications systems |
| CN110515042A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | Dual polarization radar antenna receives system |
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Application publication date: 20150729 |