The effect of the signal processing indicated that ability of defect is enhanced,and that the method of the wavelet packet is more effective than the method of wavelet analyses in the pressure fluctuation signal processing in SCISR.

• 同时验证了小波包分析在撞击流反应器内压力波动信号处理中应用的有效性,而且小波包分析方法比小波方法处理信号的效果更为理想。