1.
FM-FM system
调频-调频遥测系统
2.
high-frequency and modulation frequency signal generator
高频调频信号发生器
3.
Sawtooth-wave AM-FM jamming
锯齿波调幅调频干扰
4.
Sine-wave AM-FM jamming
正弦波调幅调频干扰
5.
AMFM signal generator
调幅调频信号发生器
6.
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
7.
adaptive narrow-band FM modem
自适应窄带调频调制解调器
8.
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
9.
speech plus duplex FMFV telegraph equipment
语音加双工调频音频电报设备
10.
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
11.
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
12.
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
13.
FM broadcasting--Dual programmes
GB4311.4-1987调频广播双节目
14.
Do you have an FM receiver?
你有调频收音机吗？
15.
FM broadcasting--Monophonic
GB4311.1-1984调频广播单声
16.
FM stereo broadcast transmitter
调频立体声广播发射机
17.
center frequency
中心频率未调制频率
18.
modulation frequency ratio
调制频率与载频之比