DocumentCode :
2371609
Title :
Parameter estimation of a sinusoidal FM signal using CAF-MR algorithm
Author :
Niu, Jie ; Zhu, Yupeng ; Liu, Yongxiang ; Li, Xiang ; Kuang, Gangyao
Author_Institution :
Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China
fYear :
2012
fDate :
23-25 March 2012
Firstpage :
364
Lastpage :
367
Abstract :
In this paper, we propose an original strategy for estimating sinusoidal frequency-modulated (FM) signal. This paper derives the cyclic autocorrelation function of sinusoidal FM signal using its character of cyclostationary, and estimates the parameters of modulation frequency, modulation index and amplitude. Compared with conventional time-frequency analysis methods, the proposed parameter estimation method based on cyclic autocorrelation can suppress stationary noise more effectively and perform well when the sinusoidal FM signal has a low modulation index. Simulation confirms the validity and high accuracy of the proposed algorithm when the SNR is low.
Keywords :
correlation methods; frequency modulation; parameter estimation; time-frequency analysis; CAF-MR algorithm; cyclic autocorrelation function; modulation frequency; modulation index; parameter estimation; sinusoidal FM signal; sinusoidal frequency-modulated signal; stationary noise; time-frequency analysis methods; Correlation; Frequency modulation; Parameter estimation; Signal to noise ratio; Time frequency analysis;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Information Science and Technology (ICIST), 2012 International Conference on
Conference_Location :
Hubei
Print_ISBN :
978-1-4577-0343-0
Type :
conf
DOI :
10.1109/ICIST.2012.6221669
Filename :
6221669
Link To Document :
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