Noise immunity performance analysis based on MATLAB various amplitude modulation methods

Conference on Intelligent and Human-Computer Interaction Technology Pub Date : 2022-10-07 DOI:10.1117/12.2655491

Shuao Yang, Juzheng Zhang, Yang Zhang

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Abstract

Analog modulation is one of the hot topics in current research. Digital technology cannot completely replace analog technology, and analog modulation is the basic method of communication. Researchers have found and proved that the anti-noise capability of the receiver can measure the reliability of the system, but there is still a gap in the research on the anti-noise performance of different modulation modes. Based on MATLAB, this study analyzes the influence of different modulation methods on the anti-noise performance by using program design and analyzes the anti-noise performance of each modulation method by contrast analysis and control variables, and compares the performance of each modulation method. Through the experiment of this study, it is found that the modulation regime gain G of different amplitude modulation modes is different, so each mode has different anti-noise performance. These different modulation modes have advantages and disadvantages, so in practical application, it is necessary to choose the appropriate modulation mode according to the demand.

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基于MATLAB的各种调幅方法抗噪性能分析

模拟调制是当前研究的热点之一。数字技术不能完全取代模拟技术，模拟调制是通信的基本方式。研究人员已经发现并证明了接收机的抗噪声能力可以衡量系统的可靠性，但对不同调制模式下的抗噪声性能的研究还存在空白。本研究基于MATLAB，通过程序设计分析了不同调制方式对抗噪声性能的影响，并通过对比分析和控制变量分析了每种调制方式的抗噪声性能，比较了每种调制方式的性能。通过本研究的实验发现，不同调幅模式的调制体制增益G不同，因此每种模式的抗噪性能也不同。这些不同的调制方式各有优缺点，因此在实际应用中，有必要根据需求选择合适的调制方式。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference on Intelligent and Human-Computer Interaction Technology

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