A time-frequency distribution concentrated along the instantaneous frequency

被引:10
|
作者
Stankovic, L
机构
[1] Elektrotehnicki Fakultet, University of Montenegro, Podgorica, Montenegro
关键词
D O I
10.1109/97.481164
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
A time-frequency distribution that produces high concentration at the instantaneous frequency for an arbitrary signal is proposed. This distribution may be treated as a variant of the L-Wigner distribution, but it also satisfies unbiased energy condition, time marginal, as well as the frequency marginal in the case of asymptotic signals. The presented theory is illustrated by examples.
引用
收藏
页码:89 / 91
页数:3
相关论文
共 50 条
  • [1] Estimation of the instantaneous frequency using adaptive time-frequency distribution
    Chen, Guang-Hua
    Cao, Jia-Lin
    Wang, Jian
    Qin, Ting-Hao
    Ma, Shi-Wei
    Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics, 2002, 24 (01):
  • [2] INSTANTANEOUS FREQUENCY AND TIME-FREQUENCY DISTRIBUTIONS
    COHEN, L
    LEE, C
    1989 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-3, 1989, : 1231 - 1234
  • [3] Instantaneous frequency and time-frequency distributions
    Jin, Liang
    Yin, Qinye
    Yao, Minli
    Dianzi Kexue Xuekan/Journal of Electronics, 20 (05): : 597 - 603
  • [4] Optimal Time-Frequency Distribution for Instantaneous Frequency Estimation of Signals With Known IF Patterns
    Seddighi, Zahra
    Taban, Mohammad Reza
    Gazor, Saeed
    IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 2024, 60 (04) : 5458 - 5466
  • [5] 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
  • [6] THE RELATIONSHIP BETWEEN INSTANTANEOUS FREQUENCY AND TIME-FREQUENCY REPRESENTATIONS
    LOVELL, BC
    WILLIAMSON, RC
    BOASHASH, B
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1993, 41 (03) : 1458 - 1461
  • [7] Instantaneous Frequency Band and Synchrosqueezing in Time-Frequency Analysis
    Chen, Shaowen
    Wang, Shibin
    An, Botao
    Yan, Ruqiang
    Chen, Xuefeng
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2023, 71 : 539 - 554
  • [8] INSTANTANEOUS FREQUENCY AND CONDITIONAL MOMENTS IN THE TIME-FREQUENCY PLANE
    POLETTI, MA
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1991, 39 (03) : 755 - 756
  • [9] AN ANALYSIS OF INSTANTANEOUS FREQUENCY REPRESENTATION USING TIME-FREQUENCY DISTRIBUTIONS - GENERALIZED WIGNER DISTRIBUTION
    STANKOVIC, L
    STANKOVIC, S
    IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1995, 43 (02) : 549 - 552
  • [10] A real-time time-frequency based instantaneous frequency estimator
    Stankovic, Ljubisa
    Dakovic, Milos
    Thayaparan, Thayananthan
    SIGNAL PROCESSING, 2013, 93 (05) : 1392 - 1397