Combination of the Viterbi algorithm and cross-Wigner distribution for the instantaneous frequency estimation phase signals in high noise environments

被引：2
|
作者：
Djurovic, Igor [1 ]
机构：
[1] Univ Montenegro, Elect Engn Dept, Podgorica 81000, Montenegro
来源：
JOURNAL OF ELECTRICAL ENGINEERING-ELEKTROTECHNICKY CASOPIS | 2018年 / 69卷 / 03期
关键词：
instantaneous frequency; Wigner distribution; VITERBI algorithm; high noisy environments; VILLE DISTRIBUTION;
D O I：
10.2478/jee-2018-0035
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：
In this paper, combination of the cross-Wigner distribution (XWD) and the Viterbi algorithm (VA) for the instantaneous frequency (IF) estimation of frequency modulated (FM) signals in high noise environments is proposed. The favourable properties of the VA, the IF reconstruction based on minimization of the path penalty functions, and the XWD, iterative accuracy improvement of the IF estimation, give hybrid IF estimator with improved accuracy for high noise environments.
引用
收藏
页码：255 / 258
页数：4
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