介绍了一种高分辨率宽频域方波脉冲的产生方法。

This paper introduces a method to generate square wave of high resolving power and wide frequency range.

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阐述了雷电电磁脉冲的产生机理、传播途径及对电子设备的危害，并简要说明了其防护措施。

The mechanism of production, path of transmission and damages to the electronic equipments of lightning electromagnetic pulse (LEMP) are analyzed, and the prevention measures are introduced.

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在理论上利用带反馈的两激光器的耦合模型，成功地解释了自脉冲的产生及其控制的物理机制。

The mechanism of generation and control of self pulsation are explained theoretically by the model of two coupled lasers with optical feedback.

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And it turns out that simply by counting the number of those spikes that occurs at a period of time.

随后，只要数一数在一定时间内,产生的尖峰脉冲的数量。

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