| 摘要 |
The invention relates to devices for either compressing or extending the duration of frequency modulated pulses. The signal-processing system of the invention comprises a converting device for modifying the duration of a signal without affecting its waveform and another transmission device having dispersive characteristics for further modifying the duration of the envelope of said signal. Since the above-mentioned converting device is capable of supplying more than one signal for each processed pulse, gating means are coupled to the converting means for gating out unwanted signals.
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