JPS61105876U

JPS61105876U -

Info

Publication number: JPS61105876U
Application number: JP19234784U
Authority: JP
Priority date: 1984-12-19
Filing date: 1984-12-19
Publication date: 1986-07-05

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のブロツク図、第２
図は第１図においてスプリツトビームを形成する
場合の模式図、第３図は第２図のスプリツトビー
ムにより目標方位を求める場合の構成図、第４図
は従来の方位補間走査方式を用いたソーナーの受
信表示系のブロツク図、第５図は第４図において
７個の送受波器からの受信信号を用いて指向性ビ
ームをつくる場合の模式図、第６図は第４図の３
チヤンネルの場合の方位補間走査回路９のブロツ
ク図、第７図は第６図の３チヤンネル方位補間を
説明するパターン図である。図において、１……送受波器、２……前置増幅回路、３……
マトリクス回路、４，４′……整相回路、５，５
′……受信処理回路、６，３３……検波回路、７
，３８……Ａ／Ｄ変換回路、８，８′……ＡＧＣ
制御回路、９……方位補間走査回路、１０……Ｄ
／Ａ変換回路、１１，３７……ビデオ出力回路、
１２……ＣＲＴ、１３……偏向回路、１４……制
御回路、１０１〜１０ｎ……受信回路、２０〜２
３，２９……乗算器、２４，２５，２６……加算
器、２７……絶対値減算器、２８……減算器、３
１……加算回路、３２……位相差検出回路、３４
，３５……選択回路、３６……保持回路、３９…
…比較回路、４０……走査同期制御回路、である
。 Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a schematic diagram when forming a split beam in Figure 1, Figure 3 is a configuration diagram when determining the target direction using the split beam in Figure 2, and Figure 4 is a schematic diagram when the target direction is determined using the split beam in Figure 2. Figure 5 is a block diagram of the sonar reception display system shown in Figure 4. Figure 5 is a schematic diagram of the case in which a directional beam is created using the received signals from the seven transducers in Figure 4.
FIG. 7 is a block diagram of the azimuth interpolation scanning circuit 9 in the case of a channel, and is a pattern diagram for explaining the three-channel azimuth interpolation shown in FIG. In the figure, 1... Transducer/receiver, 2... Preamplifier circuit, 3...
Matrix circuit, 4, 4'... phasing circuit, 5, 5
'... Reception processing circuit, 6, 33... Detection circuit, 7
, 38...A/D conversion circuit, 8, 8'...AGC
Control circuit, 9... Direction interpolation scanning circuit, 10...D
/A conversion circuit, 11, 37... video output circuit,
12...CRT, 13...Deflection circuit, 14...Control circuit, 101-10n...Reception circuit, 20-2
3, 29... Multiplier, 24, 25, 26... Adder, 27... Absolute value subtractor, 28... Subtractor, 3
1...Addition circuit, 32...Phase difference detection circuit, 34
, 35... selection circuit, 36... holding circuit, 39...
. . . comparison circuit, 40 . . . scan synchronization control circuit.

Claims

[Scope of utility model registration request]

A sonar device that receives a plurality of composite beam signals having target echo information and its azimuth information from a plurality of transducers arranged on a circumference, and displays a display signal extracted from these received beam signals on a display tube. The display device includes a phase difference detection circuit that detects a phase difference between adjacent signals of the received beam signals and outputs an azimuth signal corresponding to the phase difference, and a phase difference detection circuit that combines the adjacent received signals and generates a video signal. a detection circuit that outputs each signal; a video selection circuit that selects each video signal from these detection circuits in synchronization with the scanning signal of the display tube; and an azimuth that selects each of the azimuth signals in synchronization with the scanning signal. The video output circuit is characterized in that it includes a selection circuit and a video output circuit that compares the video output of the video selection circuit according to the azimuth output of the azimuth selection circuit and outputs the video signal as the display signal when they match. Display device for sonar equipment.