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Chirp signal generator for pulse compression radar
Chirp signal generator for pulse compression radar
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机译:脉冲压缩雷达的线性调频脉冲信号发生器
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摘要
A chirp signal generator circuit includes a pulse generator PG for generating a single impulse for application to first surface acoustic wave device SAW. This device produces an output signal comprising several cycles of energy at a predetermined frequency. A threshold circuit TH passes only that part of the output signal which second surface acoustic wave device EXP having the predetermined frequency as its center frequency, and this output signal is then amplified. The second device EXP generates a frequency modulated chirp signal.
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