详细论述了多电平PAM（脉冲幅度调制）系统的最佳均衡理论。
The optimum equalization theory for overcoming the intersymbol interferences (ISI) in multi-level pulse amplitude modulation (PAM) systems is establishead.
测得了用于大气测风激光雷达的R7400的坪区和PHD数据，为实际应用中选取最佳工作电压和合适的甄别电平提供了依据。
The plateau and PHD of R7400 used for detecting the atmosphere are measured, which provide the gist for the application.
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