Parameter estimation of multicomponent micro-doppler signals /

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2014

Author

Yıldız, Hüseyin

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Vibrating and rotating parts on a radar target is known to generate frequency modulated echo signal which is called micro-Doppler signal. Micro-Doppler signals are commonly modeled as the sum of sinusoidally modulated signals and the parameters, such as amplitude, frequency, phase, of these modulations are useful in the identification of these targets. In this thesis, the parameters of micro-Doppler signals from helicopter targets are estimated for the classification of the helicopters. Time-frequency analysis and Hough transform is used for the separate extraction of the number of blades, blade length and angular velocity of the rotor. The algorithm is developed for a pulse-Doppler tracking radar. The performance of the proposed algorithm is tested for different SNR values. The effectiveness of different time-frequency distribution methods on the parameter extraction technique is analyzed.

Subject Keywords

Radar., Doppler radar., Hough transform., Radar cross sections., Signal processing.

URI

http://etd.lib.metu.edu.tr/upload/12617434/index.pdf
https://hdl.handle.net/11511/23631

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

H. Yıldız, “Parameter estimation of multicomponent micro-doppler signals /,” M.S. - Master of Science, Middle East Technical University, 2014.