Xie Bing-sheng
Abstract
This paper introduces the principle of measuring the electric signal frequency based on CPLD and the function of measuring the electric signal by its frequency. It uses VHDL language to go on programming and checks the procedure through the simulation experiment of wave form,also it analyse the error of counting in each frequency location.
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This paper introduces the principle of measuring the electric signal frequency based on CPLD and the function of measuring the electric signal by its frequency. It uses VHDL language to go on programming and checks the procedure through the simulation experiment of wave form,also it analyse the error of counting in each frequency location.
Key concepts: Complex programmable logic device, VHDL, SIGNAL (programming language), Computer science, Electronic engineering, Frequency-hopping spread spectrum, Function (biology), Electrical engineering