Measurement-based radar waveform optimization using the ambiguity function and spectral mask
2014
This paper demonstrates the optimization of a radar waveform based on ambiguity function measurements and spectral mask criteria. Compliance with spectral mask criteria is becoming ever-critical in radar systems due to the increased number of devices using the wireless spectrum. The capability of reducing ambiguity at certain range-Doppler combinations is useful in enhancing the detection capability of radar systems. This paper shows the combined optimization for both ambiguity function and spectral mask criteria based on time-domain measurements taken with a high-speed oscilloscope. A benefit of optimizing based on measurements is that the transmitter power amplifier's output waveform can be used, allowing the results of nonlinear distortion to be factored into the optimization process.
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