调幅波

调幅系数为任意值的调幅波研究

Study on the AM Wave with any Modulation Factor

基于FPGA的DDS-AM调幅波产生方法研究及实现

Study on Generation and Realization of DDS-AM Wave Based on FPGA

通过编程，该刺激器可输出波形为单次脉冲、串脉冲和正弦调幅波脉冲的刺激脉冲，其主要性能是幅度：0～250V；

Train of pulses , and modulated train of sine pulse . Waveform patterns can be generated by programming . The main parameters of the programmable stimulator are as follows : pulse amplitude 0 ~ 250V ;

用碘释放法对1.7MHz正弦调幅波（调制频率从1Hz到5kHz，调幅深度为95%）的超声空化产额进行了研究，观测到空化峰现象。

In the paper , the pulse cavitation peak of a sine modulation ultrasonic wave with frequency 1.7 ? MHz ( modulation frequency is from 1 ? Hz to 5 ? kHz and modulation percentage is 95 ? % ) with iodine release .

用碘释放法研究正弦调幅波的超声空化峰现象

The Pulse Cavitation Peak of Sine Modulation Ultrasound with Iodine Release

基于时空神经网络的AM调幅波解调方法研究

Research of Demodulation AM Signal Based on Space-time Neural Network

豚鼠对正弦调幅波的频率辨别

Frequency discrimination of a sine amplitude-modulator in guinea pigs

调幅波的单模激光线性模型随机共振

Stochastic resonance of amplitude modulated wave in a linear model of single-mode laser

集成模拟乘法器与调幅波信号解调电路设计与测试

Design and test for integrated simulation multiplier and demodulator circuit of modulated wave signal

平衡调幅波的解调

Demodulation of Balance Amplitude Modulation Wave

基于分形理论的拍波与调幅波信号识别方法研究

Research on the method of Identification Signal Between Beat Wave and Amplitude Modulation Wave Based on Fractal Theory

如果把其中一路作为载波信号，另一路作为调制波，就能实现各种各样的调幅波；

All kinds of amplitude modulation capability if one signal is carrier wave and the other is modulation wave ;

用作图法阐明如何用包络检波替代乘法解调，实现对平衡调幅波的解调。

By method of illustration , we introduce envelope demodulating instead of multiplying demodulating for balance amplitude modulation wave .

讨论了与电压波动和闪变的定义有关的电压均方根值变化曲线和电压调幅波两个概念上的差异。

This paper discusses the difference between the concepts of voltage RMS characteristic and voltage amplitude modulation waveform which are concerned in the definitions of voltage fluctuation and flicker respectively .

运用自相关技术进行了载波为方波、无极性指数脉冲波，调幅波的调制信号为周期性信号、随机信号的电刺激波形对机体适应性问题的研究。

The stimulation waves were composed of carrier waveform signals , which were square waves and non-polar differential exponent pulse waves , and modulated amplitude signals , which were periodic signals and random signals .

该方法可检测出每个调幅波周期中的电压波动值，并且能计算波动功率。

By analyzing and comparing the features of the methods and devices in existence , a new digital detection method is present . It is capable of detecting the value of both the fluctuation voltage and the fluctuant power .

它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。

It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal .

结果表明：方波和正弦波调幅磁场的感应热功率都与调幅波频率无关。

The results show that the induction heat power of magnetic field amplitude-modulated with sine wave and square wave is unrelated to the frequency of modulating wave .