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.
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。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
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.
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。
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