Ong, S.H. and Kouzani, Abbas 2001, A wavelet-based ammunition doppler radar system, in WAA 2001 : Proceedings of the Wavelet Analysis and its Applications : second international conference, WAA 2001, Hong Kong, China, December 18-20, 2001 : Proceedings, Springer, Heidelburg, Germany, pp. 382-392.
Today’s state-of-the-art ammunition Doppler radars use the Fourier spectrogram for the joint time-frequency analysis of ammunition Doppler signals. In this paper, we implement the joint time-frequency analysis of ammunition Doppler signals based on the theory of wavelet packets. The wavelet-based approach is demonstrated on Doppler signals for projectile velocity measurement, projectile inbore velocity measurement and on modulated Doppler signal for projectile spin rate measurement. The wavelet-based representation with its good resolution in time and frequency and reasonable computational complexity as compared to the Fourier spectrogram is a good alternative for the joint time-frequency analysis of ammunition Doppler signals.
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