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.
本文讨论了调幅系数为任意值的调幅波，给出了它的表达式、频谱及调幅系数、调制效率和信噪比增益的计算公式。
The amplitude modulated wave with any modulation factor is discussed in this paper. Its expression, spectrum and formula of the modulation factor, modulation efficiency, SNR gain are given.
言语若采用经调制后的方波或调幅波传递，将会获得满意的可懂度。
With square wave or amplitude modulating wave transmission, the speech communication will have satisfactory intelligibility.
对高速调幅光束的光折变四波混频进行了理论研究。
Photorefractive four wave mixing with rapidly amplitude modulated beams is studied theoretically.
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.
现有的拍波与调幅波的识别方法存在不足，本文提出了基于分形几何原理的辅助判别方法。
The traditional methods for identifying beat wave and amplitude modulation wave are shortage. The main disadvantage of these methods is that they can 't correctly identify in some cases.
该调幅振动的载波为滚动轴承的某一高频固有振动，而调制波为与缺陷或损伤有关的通过振动。
Its carrier wave is a kind of the bearing's inherent vibration with high frequency, and its modulating wave is a pass vibration corresponding to the local defect.
本文在分析了几种SPWM调制方法的基础上，将基于对称采样法的SPWM调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
本文在分析了几种SPWM调制方法的基础上，将基于对称采样法的SPWM调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
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