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Discrete 2D Fourier Transform In Polar Coordinates
The discrete Fourier transform in Cartesian coordinates has proved to be invaluable in many disciplines. However, less theory has been developed for functions that are best described in polar coordinates. In this paper, a ...
Effect Of Photoacoustic Radar Chirp Parameters On Profilometric Information
Continuous wave photoacoustics has been under investigation for more than a decade. Matched-filtering and pulse compression techniques, which use a chirp waveform as input light source, have been implemented into this ...
Bearing Fault Signature Extraction Under Time-Varying Speed Conditions Via Oscillatory Behavior-Based Signal Decomposition (Obsd)
Oscillatory Behavior-based Signal Decomposition (OBSD) is a new technique which decomposes a signal according to oscillatory behavior, instead of frequency bands. It has been used for bearing fault signature extraction ...