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《Chinese Journal of Scientific Instrument》 2004-S1
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Research on Wide Range Equal Accurate High-speed Measuring Frequency Based on Synchronization Cycle Expansion

Shang Xingyao Xiang Xinjiang (Zhejiang University of Science and Technology,Hangzhou 310012, China)  
Traditional measuring frequency method is measuring high-frequency by means of measuring frequency,measuring low-frequency by means of measuring cycle.There are shortcomings of measuring accurate and response speed in the method.Aim for this,the circuit and method for obtaining equal measuring accurate and response speed in a wider frequency signal range are discussed.The circuit has become true with low-cost by MCU.The feasibility and practicality of the new method are analyzed by taking acceleration peculiarity experiment of electric bicycle for example.
【Fund】: 浙江省自然基金资助项目(2002602007)。
【CateGory Index】: TM935
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