eigenvalues and eigenfunctions;
noise;
signal representations;
spectral analysis;
time-frequency analysis;
Wigner distribution;
D O I:
10.1109/LSP.2002.803409
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
Exact expressions for the quadratic distributions' variance of signals corrupted with white stationary, white non-stationary, and colored stationary noise are derived. It has been,shown that the signal-dependent part of variance is closely related to the nonnoisy distribution values.