JPS60120376U - sonar receiver - Google Patents
sonar receiverInfo
- Publication number
- JPS60120376U JPS60120376U JP855884U JP855884U JPS60120376U JP S60120376 U JPS60120376 U JP S60120376U JP 855884 U JP855884 U JP 855884U JP 855884 U JP855884 U JP 855884U JP S60120376 U JPS60120376 U JP S60120376U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- phased
- generates
- signal
- sounds
- 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.)
- Pending
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は非常に強い目標エコー信号が入力された場合に
おける従来のソーナー受信装置のＰＰＩ表示の一例を示
す図、第２図はやはり非常に強い目標エコー信号が受信
された場合における従来のソーナー受信装置のＢスフ−
１表示の一例を示す図、第３図は本考案の一実施例の１
１７２図、第４図は第１図と同様の目標エコーの受信が
あった場合における第３図の実施例のＰＰＩ表示の例を
示す図である。
１・・・・・・増幅回路、２・・・・・・Ａ／Ｄ変換回
路、３・・・・・・整相回路、４・・・・・・信号処理
回路、５・・・・・・検波回路、６・・・・・・平均値
算出回路、７・・・・・・減算回路、８・・・・・・走
査回路、９・・・・・・表示器、１０・・・・・・電気
音響変換器。Fig. 1 is a diagram showing an example of the PPI display of a conventional sonar receiving device when a very strong target echo signal is input, and Fig. 2 is a diagram showing an example of the PPI display of a conventional sonar receiving device when a very strong target echo signal is received. Receiver's B frame
Figure 3 shows an example of one display of the present invention.
172 and 4 are diagrams showing examples of PPI display in the embodiment of FIG. 3 when a target echo similar to that in FIG. 1 is received. 1...Amplification circuit, 2...A/D conversion circuit, 3...Phasing circuit, 4...Signal processing circuit, 5... ...Detection circuit, 6...Average value calculation circuit, 7...Subtraction circuit, 8...Scanning circuit, 9...Display device, 10... ...Electroacoustic transducer.
Claims (1)
と、前記電気音響変換器の受信信号をそれぞれデジタル
信号に変換する回路と、前記デジタル信号を整相して各
方位ごとの前記反響音の大きさを現ず整相信号を生ずる
回路と、互いに等しい距離の前記反響音が現わされてい
る複数の前記方位の前記整相信号の平均値を生ずる回路
と、前記整相信号の大きさからこの整相信号と同じ距離
における前記平均値を減じた差の信号を前記複数の方位
につきそれぞれ生ずる減算回路と、前記差信号を処理し
て前記物体の距離及び方位を表示する手段とを備えるソ
ーナー受信装置。−・a plurality of electroacoustic transducers that receive reverberant sounds from underwater objects; a circuit that converts the signals received by the electroacoustic transducers into digital signals; and a circuit that phases the digital signals to generate the reverberant sounds in each direction. a circuit that generates a phased signal without indicating a magnitude; a circuit that generates an average value of the phased signals in a plurality of directions in which the echo sounds at equal distances from each other appear; and a magnitude of the phased signal. and a subtraction circuit that generates a difference signal for each of the plurality of directions by subtracting the average value at the same distance as the phased signal, and means for processing the difference signal to display the distance and direction of the object. Sonar receiver. −・
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP855884U JPS60120376U (en) | 1984-01-25 | 1984-01-25 | sonar receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP855884U JPS60120376U (en) | 1984-01-25 | 1984-01-25 | sonar receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60120376U true JPS60120376U (en) | 1985-08-14 |
Family
ID=30487957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP855884U Pending JPS60120376U (en) | 1984-01-25 | 1984-01-25 | sonar receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60120376U (en) |
-
1984
- 1984-01-25 JP JP855884U patent/JPS60120376U/en active Pending
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