Wavelet analysis theory is a new theory developed in recent years, it is a new timefrequency localization method. As its analyzing precision can be changed and focused to anydetail of the analyzed signal., it is very ...Wavelet analysis theory is a new theory developed in recent years, it is a new timefrequency localization method. As its analyzing precision can be changed and focused to anydetail of the analyzed signal., it is very useful to study unstationary signals. In this paper wemainly study the wavelet theory a,of its application in control systems. Furthermore, we use it todetect the fault of an underwater vehicle 's direction angle, and attained excellent results from thesimulation.展开更多
文摘Wavelet analysis theory is a new theory developed in recent years, it is a new timefrequency localization method. As its analyzing precision can be changed and focused to anydetail of the analyzed signal., it is very useful to study unstationary signals. In this paper wemainly study the wavelet theory a,of its application in control systems. Furthermore, we use it todetect the fault of an underwater vehicle 's direction angle, and attained excellent results from thesimulation.