Based on the characteristic analyses of fuze arming device, a special acoustic transmission device is selected to obtain the state signal of the device.
根据引信保险机构系统特性分析，选择驻极体传声器作传感器，从而获得引信保险机构的状态信号。
2
Surface Acoustic Wave Filter (SAWF) is a sort of analogue device for signal processing.
声表面波器件是一种新型的模拟信号处理器件。
3
The audio frequency inspection system is mainly composed of the impulse excitation device, acoustic sensor, signal conditioning circuits, data acquisition card and micro-computer and so on.