Physical quantity measuring apparatus and physical quantity measuring method
a technology of physical quantity measurement and measuring apparatus, which is applied in the field of pulse number counting technique, can solve the problems of increasing power consumption, error, and increasing the scale of the circuit, and achieve the effect of increasing power consumption and improving the accuracy of physical quantity measuremen
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[0026]An embodiment of the invention will be described with reference to the drawings. The embodiment will be described in the case where the invention is applied to a frequency measuring apparatus. However, the invention is not limited to the frequency measuring apparatus but may be applied to any general physical quantity measuring apparatus having a configuration in which a pulse interval between consecutive pulses belonging to an input signal is counted using an operating clock signal. Such a physical quantity measuring apparatus includes a pulse number count device, a pulse interval measuring device, etc.
[0027]FIG. 1 is a block diagram showing a configuration of the frequency measuring apparatus according to the embodiment. As shown in FIG. 1, the frequency measuring apparatus 100 includes a signal input module 110, a gate time setting module 120, a gate time generator 122, a low resolution clock signal generator 130, a low resolution clock signal synchronizer 132, a high resol...
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