The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.

在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。

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The simulation result proves that the whole circuit can achieve the design requirement.

模拟结果证实了整体电路能够实现设计要求。

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The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.

在某相位编码毫米波雷达系统中，由于对目标速度测量精度的要求很高，因此目标多普勒频率测量电路的设计也具有比较重要的地位。

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Supporters of gun regulation won an important victory when the Second Circuit Court of Appeals upheld New York State's requirement that one show "proper cause" to obtain a license to carry a concealed handgun in public.

CNN: Put reason back in America's gun debate