Sponsored by National Nature Science Foundation of China(10474079)
According to the features of the wideband underwater acoustic signals,an algorithm for the wideband ambiguity function is put forward based on Mellin transform.The wideband acoustic signal processing using the fast Me...
National Natural Science Foundation of China (Grant No. 10474079);a major project of National Defense Science and Technology (Grant No. 41303080301)
A detection scheme for line spectrum of ship-radiated noise is proposed using Duffing oscillator. The chaotic trajectory of Duffing oscillator is analyzed and the state equation of the system is improved to detect wea...