| 基于脉宽调制的D类放大器信号分析与仿真 |
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| 引用本文： | 肖看.基于脉宽调制的D类放大器信号分析与仿真[J].数字技术与应用,2009(12):38-39. |
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| 作者姓名： | 肖看 |
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| 作者单位： | 华巾科技大学电子与信息工程系,湖北武汉430074 |
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| 摘 要： | D类放大器一般采用脉宽调制的方式实现，其实质是一个PWM波的调制解调问题。文章通过对PWM信号的频谱分析，揭示出D类放大器的实现原理。文章还采用MATLAB软件平台，对PWM波的频谱进行了仿真，给出了仿真结果，直观地验证了理论分析的结论。
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| 关 键 词： | PWM D类放大器 频谱 信号分析 MATLAB |
Signal Analysis and Simulation of Class D Amplifier Based on PWM |
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| XIAO Kan.Signal Analysis and Simulation of Class D Amplifier Based on PWM[J].Digital Technology & Application,2009(12):38-39. |
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| Authors: | XIAO Kan |
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| Affiliation: | XIAO Kan (Department of Electronics and Information Engineering, Huazhong University of Science ＆ Technology, Wuhan 430074, China) |
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| Abstract: | Class D amplifier is generally to be carried out by using pulse width modulation means and its essence is an issue of PWM wave modulation and demodulation. The article reveals the realization principle of D amplifier by analysis of PWM frequency spectrum. The article also uses MATLAB software platform to process the PWM wave spectrum simulation and gives the simulation results, visually verify the theoretical analysis conclusions. |
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| Keywords: | PWM Class D Amplifier Frequency Spectrum Signal Analysis MATLAB |
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