Generation of the ambiguity function for ultra wideband radar waveforms
Gurnam S. Gill
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The Ambiguity Function is one of the tools used to study the suitability of waveforms for radar applications. An understanding of this function gives the radar engineer an insight into different radar waveforms and permits him to select the best design for a particular system application. This thesis investigates the Ambiguity Function for ultra wideband radar waveforms generated by the Fourier Synthesis Method, which provides the capability to produce very narrow pulses in a coherent and controllable form. Since, for ultra wideband radar waveforms, the transmitted signal is a baseband signal without sinusoidal carrier, the Ambiguity Function for this kind of waveform should be (generated by Doppler processing in the time domain rather than in the frequency domain, as is done for conventional radar waveforms. In this thesis, the Ambiguity Function has been generated and analyzed for two different this wideband radar waveforms by means of computer simulation of a radar receiver which incorporates time-Doppler processing
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