车地系统中数字功率放大器滤波器的优化设计

Shuai Han, Pengfei Dai, H. Ding, Xiguo Ren
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引用次数: 0

摘要

D类功放电路作为数字功放的关键部分,在传统的车地通信系统中容易出现通信误差和信号失真,影响了车地之间信号的有效传输。针对上述问题,本设计采用巴特沃斯滤波器的设计原理,通过对滤波电路的理论计算和仿真分析,确定电路参数的最优方案,达到提高数字功率放大器性能的目的。实验表明,该设计方案能有效降低信号失真,提高信噪比。在实际应用中具有很高的实用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal Design of Filter for Digital Power Amplifier in Vehicle-ground System
As a key part of digital power amplifier, Class D power amplifier circuit in traditional vehicle-ground communication system is prone to communication errors and signal distortion, which affect the effective transmission of signals between vehicles and ground. In view of the above problems, this design uses the design principle of Butterworth filter, through theoretical calculation and simulation analysis of the filter circuit, determines the optimal scheme of circuit parameters, and achieves the purpose of improving the performance of digital power amplifier. Experiments show that the design scheme can effectively reduce the signal distortion and improve the signal-to-noise ratio. It has high practicability in practical application.
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