Abstract
Pulse compression radar is used in a great number of radar applications. Excellent range resolution and high ECCM performance can be achieved by wide-band modulated long pulses, which spread out the transmitted energy in frequency and time. If a random noise waveform is used, the range ambiguity is suppressed as well. The range processing then correlates the received signal and a delayed reference. When the delay of the target signal coincides with that of the delayed reference a strong correlation peak occurs. In this paper, the theory of noise radar for Doppler/range indication is first described. Then the possible use of binary or low-bits ADC is analysed, which highly improves the signal-processing rate and reduces the costs. The application of noise radar to digital beam forming is finally discussed. Similar results are obtained using a frequency chirped waveform and low-bits ADC.
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