Wang Hongyun

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In this paper a new method of frequency measurement is introduced, which is multi-cycle synchronization combine the short time interval measurement. Under the control of the msp430 single chip, the function of equal precision in wide frequency range is carried out, removed ±1 counting error of the measured signal and the precision get to 10-7, this(More)
Owing to the diversity and uncertainty of the faults of complicated equipment, applying the Adaptive Wavelet Analysis to pick up the characteristics of the circuit measured and to get the feature vector of the signal is a effective way to match the characteristics of the wavelet's time frequency and the circuit's response time frequency. Combined with fault(More)
The resonant frequency of microwave resonator is deflection with the different permittivity. When wet steam pass the microwave resonator , we can get the permittivity of wet steam based the deflection of resonant frequency, according to the relation between permittivity and wetness, then we kwon the wetness of steam .So the precision of wetness measurement(More)
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