根据冲击型探地雷达的原理，窄脉冲发生电路是探地雷达的一个重要的基本单元电路，它是组成脉冲发射电路和取样变换电路的重要组成部分。

According to the principle of impulse GPR, the short pulse generator is an important basic circuit of GPR, it is an important part of radiation excitation and sampling circuit.

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该装置的电路由脉冲形成源、压频变换器和光耦与功率开关三部分组成。

The circuit of this device is formed the source, pressed frequently by the pulse changer, photosensitive resister and power switch three parts make up.

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电路输出可以作为标准信号，用来校准医用微分器，作生理电脉冲波形变换的研究。

The output of the oscillator can be used as a standard signal for calibration of the differentiator to employ in research on the transformation of physiological pulse wave forms in medical science.

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