The electro optic sampling system constructed with the multiple frequency phase shift scanning method was introduced.
分析了倍频移相扫描法的工作原理，介绍了用倍频移相扫描法构成的电光采样测量系统。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
采用移相调制的多重斩波电路，可以提高等效开关频率，因此可应用在中大功率场合。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
采用移相调制的多重斩波电路，可以提高等效开关频率，因此可应用在中大功率场合。
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