Tamed Frequency Modulation TFM

The research of frequency modulation system of the medium frequency generator;

中频发电机调频系统研究

Research on continuous frequency modulation of semiconductor laser by varying the length of external cavity;

半导体激光器外腔长连续调频特性的研究

Research on Rotor-bearings System Nonlinear Dynamics Behaviors, Fluid-solid Interaction and Its Frequency Modulations;

轴承—转子系统非线性动力学行为及其耦合调频技术研究

Simulation and Analysis of Nonlinear FM Output Function of AD9854;

AD9854非线性调频输出功能的仿真与分析

The Development of FM Transmitter Based on PLL;

锁相环调频发射机的研制

A low frequency high power FM scanning acoustic beam transmitting system;

一种低频大功率调频声波束扫描发射系统

FM-FM system

调频-调频遥测系统

high-frequency and modulation frequency signal generator

高频调频信号发生器

Sawtooth-wave AM-FM jamming

锯齿波调幅调频干扰

Sine-wave AM-FM jamming

正弦波调幅调频干扰

AMFM signal generator

调幅调频信号发生器

Analysis on the Spectral and Frequency-Transform Characteristics of 1~(st) and 2~(nd) Order FM Screening

一阶及二阶调频加网频谱特性及频率传递分析

adaptive narrow-band FM modem

自适应窄带调频调制解调器

Transmission requirements of frequency-modulated voice-frequency telegraph for a modulation rate of 50 bauds

GB/T4828-198450波特调频音频电报传输要求

speech plus duplex FMFV telegraph equipment

语音加双工调频音频电报设备

Parameters Estimation and Time-frequency Analysis of Chirp Signal;

线性调频信号的参量估计与时频分析

Time-Frequency Analysis of Nonlinear Frequency Modulation Signal and Its Application;

非线性调频信号的时频分析及其应用

The Applied Research of FM and The Frequency Discriminator Based on LABVIEW

基于LABVIEW的调频器与鉴频器的应用研究

FM broadcasting--Dual programmes

GB4311.4-1987调频广播双节目

Do you have an FM receiver?

你有调频收音机吗？

FM broadcasting--Monophonic

GB4311.1-1984调频广播单声

FM stereo broadcast transmitter

调频立体声广播发射机

center frequency

中心频率未调制频率

modulation frequency ratio

调制频率与载频之比