Passive detection of underwater vehicle acoustic fuze based on kurtosis characteristics
Based on the waveform characteristics of target radiation noise received by passive acoustic fuses of under-water vehicles,the kurtosis characteristics of target radiation noise received by passive acoustic fuses of underwater vehicles were discussed.Skewness and kurtosis of measured environmental noise and target radiated noise are calculated.The results indicate that under high-speed intersection conditions,the target radiation noise received by the passive acoustic fuse of un-derwater vehicles has obvious kurtosis characteristics.On this basis,a passive acoustic fuse kurtosis detector is constructed,and its effectiveness is validated through sea experiments.The experimental results show that the kurtosis of target radiated noise is significantly higher than that of non-target radiated noise.It is evident that short-time kurtosis detection has excel-lent capability for target radiated noise detection in the background of underwater environmental noise.
万方数据
维普
