Analysis of noise in time-frequency distributions

被引：19
|
作者：
Stankovic, L [1 ]
机构：
[1] Univ Montenegro, Elektrotehn Fak, YU-81000 Podgorica, Monetegro, Yugoslavia
来源：
IEEE SIGNAL PROCESSING LETTERS | 2002年 / 9卷 / 09期
关键词：
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.
引用
收藏
页码：286 / 289
页数：4
相关论文
共 50 条
  • [21] Time-frequency distributions of time-frequency periodic operators and the discrete Gabor transformation
    Sirianunpiboon, S
    Howard, SD
    ISSPA 96 - FOURTH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, PROCEEDINGS, VOLS 1 AND 2, 1996, : 718 - 721
  • [22] Time-frequency analysis in infant cry classification using quadratic time frequency distributions
    Saraswathy, J.
    Hariharan, M.
    Khairunizam, Wan
    Sarojini, J.
    Thiyagar, N.
    Sazali, Y.
    Nisha, Shafriza
    BIOCYBERNETICS AND BIOMEDICAL ENGINEERING, 2018, 38 (03) : 634 - 645
  • [23] Geometry of affine time-frequency distributions
    Flandrin, P
    Goncalves, P
    APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 1996, 3 (01) : 10 - 39
  • [24] Minimal window time-frequency distributions
    Williams, WJ
    Aviyente, S
    ADVANCED SIGNAL PROCESSING ALGORITHMS, ARCHITECTURES,AND IMPLEMENTATIONS IX, 1999, 3807 : 446 - 457
  • [25] Spatial averaging of time-frequency distributions
    Zhang, Yimin
    Amin, Moeness G.
    ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 1999, 3 : 1337 - 1340
  • [26] Construction of Time-Frequency Distributions for Fields
    Cohen, Leon
    ADVANCED SIGNAL PROCESSING ALGORITHMS, ARCHITECTURES, AND IMPLEMENTATIONS XVIII, 2008, 7074
  • [27] Spectrogram decompositions of time-frequency distributions
    Williams, WJ
    Aviyente, S
    ISSPA 2001: SIXTH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1 AND 2, PROCEEDINGS, 2001, : 587 - 590
  • [28] Minimum entropy time-frequency distributions
    El-Jaroudi, A
    PROCEEDINGS OF THE TENTH IEEE WORKSHOP ON STATISTICAL SIGNAL AND ARRAY PROCESSING, 2000, : 603 - 606
  • [29] Frequency and Time-Frequency Analysis of Acoustic Cavitation Noise in Insulating Oils
    Szmechta, M.
    Boczar, T.
    Fracz, P.
    ACTA PHYSICA POLONICA A, 2011, 120 (04) : 744 - 747
  • [30] Resolution analysis of the T-class time-frequency distributions
    Rankine, L.
    Mesbah, M.
    Boashash, B.
    2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3, 2007, : 212 - 215
12345