JP2754836B2 - Underwater digital communication device - Google Patents
Underwater digital communication deviceInfo
- Publication number
- JP2754836B2 JP2754836B2 JP2043145A JP4314590A JP2754836B2 JP 2754836 B2 JP2754836 B2 JP 2754836B2 JP 2043145 A JP2043145 A JP 2043145A JP 4314590 A JP4314590 A JP 4314590A JP 2754836 B2 JP2754836 B2 JP 2754836B2
- Authority
- JP
- Japan
- Prior art keywords
- digital communication
- communication device
- signal
- positioning signal
- submarine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本装置は水中ディジタル通信装置に関し、特に潜水船
と水上船舶間または潜水船と潜水船間の通信を行なう水
中ディジタル通信装置に関する。The present invention relates to an underwater digital communication device, and more particularly to an underwater digital communication device for performing communication between a submarine and a surface ship or between a submarine and a submarine.
一般に、水中ディジタル通信装置においては、通信媒
体である音波の海底反射・海面反射による通信品質の劣
化を少なくするために狭ビーム用いて通信を行う。しか
し通信方位がビームから逸脱しないようにするため、測
位装置を用いて相互の相対方位を監視しながら運用して
いる。In general, in underwater digital communication devices, communication is performed using a narrow beam in order to reduce deterioration in communication quality due to seafloor reflection and sea surface reflection of a sound wave as a communication medium. However, in order to prevent the communication azimuth from deviating from the beam, the operation is performed while monitoring the relative azimuth of each other using a positioning device.
上述した従来の水中ディジタル通信装置においては、
相互の相対位置を監視するための測位装置が必要である
ため、システム全体の規模が大きくなってしまう欠点が
ある。In the above-mentioned conventional underwater digital communication device,
Since a positioning device for monitoring relative positions is required, there is a disadvantage that the scale of the entire system becomes large.
本発明の目的は上述した欠点を除去し、相互の相対位
置の監視のための測位装置を必要としない水中ディジタ
ル通信装置を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide an underwater digital communication device which eliminates the above-mentioned disadvantages and does not require a positioning device for monitoring relative positions.
本発明の装置は、潜水船と水上船舶間または潜水船と
潜水船間の通信を行う水中ディジタル通信装置におい
て、受信側における復調器内のアダプティブイコライザ
や位相同期の初期パラメータを設定するためのトレーニ
ング信号に先だって測位用信号を送信し、前記測位用信
号を送出した送信側の方位を受信側から計測する手段を
備えて構成される。The underwater digital communication device for performing communication between a submersible and a submersible or between a submersible and a submersible is training for setting an adaptive equalizer in a demodulator and initial parameters of phase synchronization on a receiving side. It comprises means for transmitting a positioning signal prior to the signal and measuring from the receiving side the azimuth of the transmitting side which has transmitted the positioning signal.
また本発明の装置は、前記測位用信号を、空間的に相
異る位置に配設した３個の受波器で捕捉して送信側の方
位を決定する構成を備えて成る。Further, the apparatus of the present invention has a configuration in which the positioning signal is captured by three receivers arranged at spatially different positions to determine the azimuth of the transmitting side.
次に、本発明について図面を参照して説明する。 Next, the present invention will be described with reference to the drawings.
第１図は本発明の水中ディジタル装置の一実施例の構
成図である。第１図に示す実施例は、送信側としての送
信信号を発生する変調器１、測位用信号を発生する測位
信号発生器２、切替器（１）３、電力増幅器４、送波器
５、受信側としての空間的に配設位置の異る３個の受波
器6,7,8、３個の受信増幅器9,10,11、測位用信号と送信
信号の判別機能を内蔵した切替器（２）12、復調器13、
３個の受波器の入力した測位用信号にもとづき送信先の
方位を演算する方位演算器14、および表示器15を備えて
成る。FIG. 1 is a block diagram of an embodiment of an underwater digital device according to the present invention. In the embodiment shown in FIG. 1, a modulator 1 for generating a transmission signal on the transmission side, a positioning signal generator 2 for generating a positioning signal, a switch (1) 3, a power amplifier 4, a transmitter 5, Three receivers 6, 7, 8 and three receiving amplifiers 9, 10, 11 at the spatially different positions on the receiving side, and a switcher with a built-in function to distinguish between positioning signals and transmission signals (2) 12, demodulator 13,
An orientation calculator 14 for calculating the orientation of the transmission destination based on the positioning signals input from the three receivers, and a display 15 are provided.
次に第１図の実施例の動作について説明する。 Next, the operation of the embodiment shown in FIG. 1 will be described.
変調器１からの送信信号（トレーニング信号およびデ
ータの信号）に先だち、測位信号発生器２にて発生した
測位用信号は電力増幅器４で電力増幅され、さらに送波
器５にて電気−音響変換され、音響信号として水中に放
出される。切替（１）３は、変調器１からの送信信号と
測位信号発生器２からの信号の切替えを行う。Prior to the transmission signal (training signal and data signal) from the modulator 1, the positioning signal generated by the positioning signal generator 2 is power-amplified by the power amplifier 4 and further subjected to electro-acoustic conversion by the transmitter 5. And emitted into the water as an acoustic signal. The switching (1) 3 switches between the transmission signal from the modulator 1 and the signal from the positioning signal generator 2.
水中を伝搬した測位信号は、空間的に位置の異なる位
置に配設された３個の受波器６〜８で音響−電気変換さ
れ３チャンネルの信号はそれぞれ受信増幅器９〜11で増
幅され、内蔵する測位用信号判別回路を有する切替器
（２）12にて測位用信号と認識された後、方位演算器14
にて供給されて、方位演算され、表示器15にその結果が
表示される。The positioning signal propagated in the water is subjected to acoustic-electric conversion by three receivers 6 to 8 arranged at positions spatially different from each other, and signals of three channels are amplified by receiving amplifiers 9 to 11, respectively. After being recognized as a positioning signal by a switch (2) 12 having a built-in positioning signal discriminating circuit, an azimuth calculator 14
The direction is calculated, and the result is displayed on the display 15.
通信方位は、３個の受波器による２個ずつの組合せを
２組つくり、それぞれ２個の受波器間距離と、測位信号
の到来時間差もしくは位相差から容易に演算できる。The communication azimuth can be easily calculated from the distance between the two receivers and the arrival time difference or the phase difference of the positioning signal by forming two sets of two sets each including three receivers.
一方、変調器１からの送信信号は、測位用信号に引き
続いて同様の経路にて送信、受信され、切替器（２）12
にて送信信号と認識された後、任意の１チャンネルのみ
復調器13に入力され、通常の通信が行われる。On the other hand, the transmission signal from the modulator 1 is transmitted and received on the same path following the positioning signal, and the switching signal (2) 12
After it is recognized as a transmission signal, only one arbitrary channel is input to the demodulator 13 to perform normal communication.
以上説明した如く本発明によれば、水中ディジタル通
信装置において、受信側における復調器のアダプティブ
イコライザや位相同期等の初期パラメータを設定するた
めのトレーニング信号に先だって、測位用信号を送信
し、この測位用信号を用いて送信側の方向を測定するこ
とにより、測位用装置の併用を不要として装置全体規模
を著しく小さくできる効果がある。As described above, according to the present invention, in the underwater digital communication device, the positioning signal is transmitted prior to the training signal for setting the initial parameters such as the adaptive equalizer and the phase synchronization of the demodulator on the receiving side. By measuring the direction on the transmission side using the signal for use, there is an effect that the combined use of a positioning device is unnecessary and the overall scale of the device can be significantly reduced.
第１図は本発明の水中ディジタル通信装置の一実施例の
ブロック図である。 １……変調器、２……測位信号発生器、３……切替器
（１）、４……電力増幅器、５……送波器、６〜８……
受波器、９〜11……受信増幅器、12……切替器（２）、
13……復調器、14……方位演算器、15……表示器。FIG. 1 is a block diagram of an embodiment of an underwater digital communication device according to the present invention. DESCRIPTION OF SYMBOLS 1 ... Modulator, 2 ... Positioning signal generator, 3 ... Switcher (1), 4 ... Power amplifier, 5 ... Transmitter, 6-8 ...
Receiving device, 9-11 ... Receiving amplifier, 12 ... Switching device (2),
13 ... demodulator, 14 ... azimuth calculator, 15 ... display.
Claims (2)
間の通信を行う水中ディジタル通信装置において、受信
側における復調器内のアダプティブイコライザや位相同
期の初期パラメータを設定するためのトレーニング信号
に先だって測位用信号を送信し、前記測位用信号を送出
した送信側の方位を受信側から計測する手段を備えて成
ることを特徴とする水中ディジタル通信装置。An underwater digital communication device for performing communication between a submarine and a submarine or between a submarine and a submarine, a training signal for setting an adaptive equalizer in a demodulator on a receiving side and initial parameters of phase synchronization. An underwater digital communication apparatus, comprising: means for transmitting a positioning signal prior to transmission, and measuring, from a receiving side, a direction of a transmitting side which has transmitted the positioning signal.
配設した３個の受波器で捕捉して送信側の方位を決定す
ることを特徴とする請求項１記載の水中ディジタル通信
装置。2. The underwater apparatus according to claim 1, wherein the positioning signal is captured by three receivers arranged at spatially different positions to determine the direction of the transmitting side. Digital communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2043145A JP2754836B2 (en) | 1990-02-23 | 1990-02-23 | Underwater digital communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2043145A JP2754836B2 (en) | 1990-02-23 | 1990-02-23 | Underwater digital communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03245626A JPH03245626A (en) | 1991-11-01 |
| JP2754836B2 true JP2754836B2 (en) | 1998-05-20 |
Family
ID=12655672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2043145A Expired - Lifetime JP2754836B2 (en) | 1990-02-23 | 1990-02-23 | Underwater digital communication device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2754836B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7333394B2 (en) * | 2005-06-22 | 2008-02-19 | Basilico Albert R | Navigational aid for diver |
| JP6770737B2 (en) | 2016-09-16 | 2020-10-21 | 国立研究開発法人海洋研究開発機構 | Sound wave communication method and sound wave communication system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213437A (en) * | 1986-03-14 | 1987-09-19 | Agency Of Ind Science & Technol | Underwater acoustic communication equipment |
-
1990
- 1990-02-23 JP JP2043145A patent/JP2754836B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213437A (en) * | 1986-03-14 | 1987-09-19 | Agency Of Ind Science & Technol | Underwater acoustic communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03245626A (en) | 1991-11-01 |
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