To consider the echoes' characteristic of the moving target with small angle for inverse synthetic radar (ISAR), the target's echoes are simulated by generating the envelope and phase quickly.

针对逆合成孔径雷达（ISAR）的小转角目标回波特点，提出通过快速生成包络和相位的方法来构成目标回波。

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The characteristic of pulse xenon flashlamp envelope, which made of cerium doped quartz glass, was studied experimentally under high input power, and the experimental results were analysed.

实验研究了脉冲氙灯在高负载条件下掺铈石英玻璃管壁的特性，并对实验结果进行了分析。

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A method by using 8031 single-clip microprocessor to get the syntonical bit information is presented, based on the characteristic of the modulated singal in ascending cosine envelope.

利用升余弦包络调制信号的特点，即基带信号为升余弦波，接收端可以利用这一包络，从中提取定时信息。

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