Omnidirectional acoustic detection sonar and detection method
An omnidirectional, sonar technology, applied in measurement devices, re-radiation of sound waves, radio wave measurement systems, etc., can solve the limitations of acoustic detection technology, low scanning efficiency and other problems, and achieve easy installation, high data transmission rate, and efficient acquisition. Effect
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[0044] The working steps of the omnidirectional acoustic detection sonar are described with a specific parameter.
[0045] (1) Set the working parameters of the omnidirectional acoustic detection sonar. Configure detailed operating parameters, including operating frequency f 0 =600kHz, working bandwidth B=60kHz, transmit period PRT=100ms, pulse width T=2ms, signal type is LFM, transmit power ρ=60%, sampling frequency is f s = 200kHz, the number of sampling points N = 180000, etc., indicating that 90ms of data were collected, corresponding to a range of 67.5m.
[0046] (2) Control sonar to start the work. After sending the start command to the omnidirectional acoustic detection sonar probe, the omnidirectional acoustic detection sonar begins to work, including periodic transmission of sound waves, receiving echoes, etc. The base array rotates at a uniform speed to achieve a 360-degree scan.
[0047] (3) The receiving array and receiver receive sound waves and per...
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