Directed toward pressure signals time varying and nonlinear feature,pressure signals wavelet transform reflected frequency varying feature of saltant point.
Directed toward pressure signals time varying and nonlinear feature,pressure signals wavelet transform reflected frequency varying feature of saltant point.
小波变换能针对气体压力信号的时变和非线性特征，充分反映出发动机气缸压力信号突变点附近的频变特性。