调频制

在磁表面存储技术中一种表示数据的方法，例如改进型调频制。

A method of representing data in magnetizable surface storage ; for example , " modified frequency modulation " .

贝塞尔函数的近似计算在调频制中的应用

Application of the approximate evaluation of Bessel functions to frequency modulation system

用介质谐振器稳频的调频制毫米波源的性能研究

Performance Analysis of a FM Millimeter-Wave Source Using the Dielectric Resonator

另外，概述了光纤有线电视传输，从传输的观点分析了调频制和调幅制的信噪比。

In addition , this paper analyses the signal-to-noise ratio for AM and FM format in TV transmission on optical fiber .

专门讨论了调频制卫星通信和微波中继通信系统中的噪声对多路电话通信的影响。

The discus - sion of the effect on multiplex telephone communication by noise of FM satellite communication sys - tem and microwave relay communication system is also included .

从卫星电视系统调频解调的调制增益出发，分析了调频制的特点，给出了调频改善度的表达式，进而得出调频门限效应的概念。

According to the modulation gain of the frequency modulation-demodulation , the FM characteristics are analysed , from which a formula for the FM improvement extent is derived and leads to the conception of frequency-modulation threshold effect .