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