Digital Frequency Meter is deployed to figure out the frequency of digital signals, that foots
its application in vibration monitoring, optical sensor readout and for testing digital logics etc …

Resonant pressure sensors have high accuracy and are widely used in meteorological data
acquisition, aerospace and other fields. The design and experiment of multi-channel …

Abstract At present, frequency (1) and phase are the most basic parameters in the
measurement of electrical signal characteristics. A design of frequency and phase …

The paper presents a new approach to the development of a mobile universal device for
monitoring the frequency of an electrical signal-a digital frequency meter with digital …