From the view of the measurement of voltage fluctuation and flicker,the relation between fluctuation voltage and amplitude modulation waveform is analyzed and the prob-lem of attenuation coefficient is pointed out.
从电压波动与闪变测量的角度出发,分析波动电压与调幅波的关系,指出两者间存在的衰减系数问题,同时给出目前工程和国标不同波动电压定义下的衰减系数,明确了波动电压的概念。
Stochastic resonance of amplitude modulation wave noise in a single-mode laser;
调幅波调制噪声的单模激光随机共振
Stochastic resonance of amplitude modulation wave in single-mode laser driven by color noises;
色噪声驱动下调幅波的单模激光随机共振
A kind of numberical amplitude modulation wave signal generator basis on single chip computer;
一种基于单片机数字式调幅波信号发生器
Stochastic resonance of amplitude modulated wave in a linear model of single-mode laser;
调幅波的单模激光线性模型随机共振
We find that the vibrational energy can be described by an amplitude modulated wave under the conditions of natural release.
利用数值方法研究了弹簧摆的振动能随着时间变化的规律,发现在自然释放的条件下,弹簧摆振动能的变化可以用一个调幅波来描述,其载波的频率为振动模式的固有频率,调制波的幅度和频率由初始角位移和振动模式与摆动模式的固有频率比共同确定。
The experimental setup and results are given in detail for measuring the total loss of a passive ring resonant cavity with cw amplitudemodulated laser as a probe, where the laser is frequencystabilized to one of the longitudinal modes of the cavity with the socalled dithering method, and error analysis are presented at last.
在“小抖动”稳频条件下采用调幅光波测量无源谐振腔损耗 ,给出实验装置及测量结果的误差分
The wave demodulator virtual of amplitude modulation based on LabVIEW;
基于LabVIEW平台的调幅波解调器的虚拟
Amplitude modulation wave and demodulator design based on LabVIEW
基于LabVIEW的调幅波解调器设计
Design and test for integrated simulation multiplier and demodulator circuit of modulated wave signal;
集成模拟乘法器与调幅波信号解调电路设计与测试
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
modulator band filter out
调幅带通滤波器输出
modulator band electrical system out
调幅器带通滤波器输出
In communications, the amplitude variations of an amplitude modulated carrier wave.
在通信技术中，调幅载波的幅度变化图。
Sanly AM-FM 2-band radio receiver
山力牌调幅-调频二波段收音机
Measurement of Electric Field Strength around Medium and Short Wave AM Radio Radiator
中短波调幅广播辐射源周围场强测量
Basic performance parameters for medium wave and shortwave AM broadcasting transmitters
GB/T9376-1988中波和短波调幅广播发射机基本参数
AM Characteristic of Signal Carriers as a Target Crossing Abliquely Radar Wave Beam
目标斜穿雷达波瓣时信号载波的调幅特性
In communications, an amplitude modulated signal in which the amplitude of the carrier is reduced to zero for some part of the cycle of the modulating waveform.
通信技术中的一种调幅信号，其载波的振幅在调制波形周期的某些部分减少到零。
To vary the frequency, amplitude, phase, or other characteristic of(electromagnetic waves).
调制变换（电磁波的）频率，振幅，周相或其它特点
This system of modifying the carrier waves is called "Amplitude Modulation," or "AM".
这个改变载波的系统称为“振幅调制”或缩写为“AM”。
The Research of Wrap Demodulation in Digital AM Broadcasting System
数字调幅广播系统中包络检波方法的研究
Research of Advanced Audio Coding in the Digital Amplitude Modulation Broadcast;
先进音频编码（AAC）在中波数字调幅广播中的研究
A Digital Saw-toothed Wave Generator Adjustable Frequency and Amplitude;
一种频率幅度可调的数字式锯齿波发生器