FDM Frequency C Division Modulation

Numerical analysis for the stochastic resonance of frequency modulation;

频率调制随机共振的数值分析

A reflective dielectric resonator of performing frequency modulation for incident vibrated signal;

一种对振动信号实现频率调制的反射型介质谐振器

Characteristic Analysis of Wavelength Tuning and Frequency Modulation of Coupled Cavity Laser Diodes;

耦合腔激光器的波长调谐与频率调制特性分析

In order to meet the requirement of high speed underwater acoustic communication,the OFDM/FM method is given in the paper,which is based on the orthogonal frequency division multiplexing(OFDM)technique.

为满足高速水声通信的需要,在对正交频分复用(OFDM)技术的原理进行研究的基础之上,结合水声信道的特性,给出了进行二次频率调制(FM)的OFDM/FM实现方法,并通过仿真得到了该方法的性能。

The effect of modulation frequency on phase demodulation is analyzed in sinusoidal phase modulating(SPM) interferometry for displacement measurement.

针对正弦相位调制(SPM)干涉测量技术用于位移测量时,调制频率对干涉信号相位解调的影响,提出一种调制频率的优化选择依据。

The relations between pyroelectric current and sensitive area as well as modulation frequency are analysed.

本文导出热释电列阵的热传递函数,明确地分析了热释电探测器灵敏元的面积,电流响应率及调制频率的关系。

lt has a deep study on low-frequency modulation characteristics, which includes the modulation wave through high-speed photodetector, the relationship between modulation frequency and threshold current , and the relationship between average output power and modulation frequency.

给出了用高速光电探测器探测到的调制信号波形,并进一步分析了调制 频率与闭值电流之间的关系,以及调制频率与平均输出功率之间的关系。

modified modified frequency modulation

改进的改进频率调制

Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.

频率调制:载波的频率依照调校讯号的瞬时值而改变的一种调制。

Amplitude-Frequency Modulation Mechanism of Chandler Wobble of Triaxial Earth

三轴地球Chandler晃动的振幅-频率调制机制

Frequency modulation does not allow static to creep in.

频率调制不允许静电干扰混入。

The time-domain analysis of frequency modulation and demodulation and experimental simulation of MATLAB7;

频率调制解调的时域分析及在MATLAB7中的实验仿真

Response of Inferior Collicular Neruons to Frequency Modulated Stimuli with Different Modulation Ranges and Directions in the Mouse;

下丘神经元对不同频率调制范围和扫描方向的调频声的反应

Pulse-phase Modulation;Pulse-frequency Modulation;Pulse-amplitude Modulation;Pulse-interval Modulation;Pulse-duration Modulation

脉冲-相位调制;脉冲-频率调制;脉冲-幅度调制;脉冲- 间歇调制;脉冲-持续时间调制

center frequency

中心频率未调制频率

modulator carrier

调制器载(波)频(率)

modulation frequency ratio

调制频率与载频之比

modulation frequency-carrier ratio

调制频率－载波比率

automatic frequency control

自动频率控制自动频率调整

Frequency mondulation, which is not possible with polychromatic light.

多色光不可能调制频率。

Frequency Control System of Slip-frequency phasor for AC Motor Speed control

交流变频调速的滑差频率矢量变频控制系统

Modulation-Free Laser Frequency Locking by AOM Shifted Cesium Sub-Doppler Spectra

声光偏频亚多普勒光谱无调制激光频率锁定

Accurate measurement of frequency response of high-speed optical intensity modulator using frequency sweeping method

扫频法精确测量高速光调制器频率响应

A Realtime Detection Approach of Carrier and Modulating Frequency of Tramroad FSK Signal

车载FSK信号载频和调制频率的实时检测方法

demand pacemaker

可调频率心室抑制起搏器