Modelling of signal's time-frequency content using warped complex-time distributions

被引：0
|
作者：
Ioana, C [1 ]
Stankovic, S [1 ]
Quinquis, A [1 ]
Stankovic, LJ [1 ]
机构：
[1] ENSIETA, Brest, France
来源：
2005 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1-5: SPEECH PROCESSING | 2005年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Analytical form of the instantaneous frequency law (IFL) is very important when the physical parameters have to be evaluated from the time-frequency content of a signal. Generally.. the analyzed signals are composed of several time-frequency components characterized by various non-linear IFLs. To deal with such kind of signals, we propose a new method based on the warping operators (WO) and on the complex time distribution (CTD). Using parallel structures composed of several WOs, some time-frequency components of the analyzed signal are linearized. This linearization is highlighted by using the CTD which considerably reduces the artefacts due to the complexity of the analyzed signal. This leads to an accurate estimation process, illustrated and justified by numerical and real examples.
引用
收藏
页码：477 / 480
页数：4
相关论文
共 50 条
  • [1] Introducing time-frequency distribution with a 'complex-time' argument
    Stankovic, S
    Stankovic, L
    ELECTRONICS LETTERS, 1996, 32 (14) : 1265 - 1267
  • [2] Introducing time-frequency distribution with a 'complex-time' argument
    Univ of Montenegro, Montenegro, Yugoslavia
    Electron Lett, 14 (1265-1267):
  • [3] Time-frequency distributions with complex argument
    Stankovic, L
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2002, 50 (03) : 475 - 486
  • [4] Signal detection using time-frequency distributions with nonunity kernels
    Le, KN
    Dabke, KP
    Egan, GK
    OPTICAL ENGINEERING, 2001, 40 (12) : 2866 - 2877
  • [5] Time-Frequency Warped Waveforms
    Ibrahim, Mostafa
    Demir, Ali Fatih
    Arslan, Huseyin
    IEEE COMMUNICATIONS LETTERS, 2019, 23 (01) : 36 - 39
  • [6] Signal synthesis and positive time-frequency distributions
    Shah, SI
    El-Jaroudi, A
    Loughlin, PJ
    Chaparro, LF
    JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS, 2000, 337 (04): : 317 - 328
  • [7] New time-frequency representations: Higher order warped Wigner distributions
    Murray, RL
    Papandreou-Suppappola, A
    Boudreaux-Bartels, GF
    THIRTY-FIRST ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1 AND 2, 1998, : 488 - 492
  • [8] Optimized time-frequency distributions for acoustic signal classification
    Till, M
    Rudolph, S
    WAVELET APPLICATIONS VIII, 2001, 4391 : 81 - 91
  • [9] Instantaneous frequency estimation by using time-frequency distributions
    Ivanovic, V
    Dakovic, M
    Djurovic, I
    Stankovic, L
    2001 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS I-VI, PROCEEDINGS: VOL I: SPEECH PROCESSING 1; VOL II: SPEECH PROCESSING 2 IND TECHNOL TRACK DESIGN & IMPLEMENTATION OF SIGNAL PROCESSING SYSTEMS NEURALNETWORKS FOR SIGNAL PROCESSING; VOL III: IMAGE & MULTIDIMENSIONAL SIGNAL PROCESSING MULTIMEDIA SIGNAL PROCESSING, 2001, : 3521 - 3524
  • [10] Renyi Entropy of quadratic time-frequency distributions: Effects of signal's parameters
    Malarvili, M. B.
    Sucic, V.
    Mesbah, M.
    Boashash, B.
    2007 9TH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1-3, 2007, : 384 - +
12345