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.
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。
Main steps and requirements: (1) post-judgment by the AMI code sample digital sequence to restore the original PCM pulse code signal (signal 0, 1).
主要步骤和要求：(1)由抽样判决后的AMI码型数字序列恢复出原始的PC M脉冲编码信号(0、1信号)。
Restore Blood Circulation. If you are unable to find a pulse in the victim, you should begin heart compressions to restore blood circulation.
如果伤者身上未能发现脉搏，应该通过按压心脏来促使其恢复血液循环。
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