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Moving diver detection procedure transmits constant frequency continuous sound waves and compares reflected spectrum within set limits with threshold
Moving diver detection procedure transmits constant frequency continuous sound waves and compares reflected spectrum within set limits with threshold
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机译:移动潜水员检测程序会发送恒定频率的连续声波,并将设定范围内的反射频谱与阈值进行比较
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摘要
A moving diver detection procedure transmits constant frequency continuous wave sound waves and analyses the reflected signal within time windows to give a frequency spectrum for threshold comparison of level, amplitude or power in a preset frequency range and triggering of an acoustic or optical warning.
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