FIELD: instrumentation.
SUBSTANCE: invention relates to hydroacoustic depth finding systems and can be used in echo-sounders with automatic adaptive echo-signal detection and depth finding with tying to test location geographical coordinates. It comprises computer 1, power amplifier 2, echo-signal receiver 3, satellite radio navigation system signal receiver 4, receive-transmit switch 5, electro acoustic converter 6, ADC 7 and display 8. First input of computer 1 is connected with output of converter 7 while second input is connected with output of receiver 4. Computer 1 first output is connected with display 8 input, second output being connected with control input of receiver 3, third output with power amplifier 2 input and fourth output with control input of switch 5. Switch 5 signal input is connected with amplifier 2 output, I/O - with I/O of converter 6, output - with signal input of receiver 3 its output being connected with input of converter 7.
EFFECT: higher noise immunity and reliability, enhanced performances.
1 dwg
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