The system model and the waveform of the gauss pulse are introduced. The concepts of pseudo-random timing hopping multiaccess and modulation methods are proposed.
介绍了脉冲无线电的基本原理，给出了系统发送信号的数学模型，以及常用的高斯二次脉冲波形和伪随机跳时多址的概念，并比较了几种常用的调制方式。
参考来源 - 基于IRIntroduce principle and generation of two main modulation methods-SPWM and SVPWM applied to inverter.
3.介绍了应用于逆变器的两种主要调制方法SPWM和SVPWM的原理及其生成方法。
参考来源 - 基于Z拓扑的光伏并网逆变器研究·2,447,543篇论文数据，部分数据来源于NoteExpress
We research the various index modulation methods and design the scanning device to realize the apodized exposure.
研究了光纤光栅不同折射率调制的实现方法，并设计研制了实现变迹曝光法的扫描装置。
The paper presents two novel PM-OLED column driver circuits with different grayscale modulation methods and pre-charge methods.
针对两种采用不同灰度调制方式和预充方法的新型无源OLED显示列驱动电路进行研究和设计。
Linearization of power amplifiers has become an important issue, with the advent of linear modulation methods in mobile communication.
随着移动通信中线性调制方式的出现，功率放大器的线性化已成为一个重要的研究课题。
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