由可调谐半导体激光器产生一个啁啾信号，通过测量拍信号频率计算距离。
A tunable GaAlAs diode laser is used as a chirp signal source, the distance is detected by calculating the beat frequency.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
雷达信号，其中包括啁啾或相位编码的品种，很容易和快速地对一个单杆基础的特点。
Radar signals, including chirped or phase-coded varieties, are easily and quickly characterized on a single-shot basis.
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