Friday, October 5, 2012

Time-Frequency Transforms for Radar Imaging and Signal Analysis

 
The exposition and exploitation of joint time-frequency methods of signal analysis is at present an area of vigorous research and development, and many international conferences and symposia address this topic. The mathematical basis for joint time-frequency signal analysis has been established and theoretically understood for quite a few years  however, the computational requirements for real-time signal processing and effective graphical visualization of results has exceeded commonly available computers until quite recently. Today, affordable workstations or personal computers with sufficient computing and graphical display capability are readily available to implement real-time time-frequency transforms and dynamically visualize time-dependent aspects of spectral signal structure. These are exactly the tools necessary to exploit joint time-frequency methods for radar-signal analysis and imaging of moving targets.
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