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《Electronic Measurement Technology》 2009-08
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Frequency measurement method design and implementation of microwave ranger finder

Zeng Wenfeng Li Shenpeng Tian Yumin(Photoelectric Staff Office,Wuhan Ordnance N.C.O Academy,Wuhan 430075)  
The frequency measurement method of changeable strobe is choosed to measure the frequency of the microwave ranger finder,the two results of arithmetical average are used as modificated results that the two counters take count of the rising and trailing edges respectivly.The ±1 error caused by counting is eliminated with the quantization error by counting the standard frequency pulse reduced and independent of the detected frequency.With hardware and software designing to implement the system of frequency measurement for the microwave ranger finder based on PIC single-chip computer.So it is widely used in frequency detection and the measurement accuracy is improved graetly.The experiment results prove that the method is effective and credible.
【CateGory Index】: TM935.1
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