This paper introduces the measurement of fish-Finder's pulse modulatingfrequency with the 8031 single chip computer.
本文介绍采用8031单片微机实现探鱼仪脉冲载波频率的测量。
2
FOR radio transmission, inFORmation is imparted to a carrier wave by varying (modulating) its amplitude, frequency, or duration.
用于无线电传输时，信号用载波传送，通过改变(调制)载波的振幅、频率或间隔来实现。
3
The variation of chromatic dispersion induced delay time error of the true time delay line based on dispersive devices is investigated using an intensity-frequencymodulating model.