Since signal processing is essential in acoustic measurement, we use FIR(finite impulse response)filter ,which is designed by Parls-McClellan algorithm,combined with wavelet frame theory to process signals.

• 由于信号处理在声波检测技术中至关重要,我们对其做了具体的分析、探讨后,提出使用Parks-McClellan算法设计FIR滤波器和小波框架理论相结合的信号处理方法是有效的。