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| 对一道计算微波传输功率易错题的反思 |
| Reflection on A Mistake in Calculating Microwave Transmission Power |
| 投稿时间：2023-03-11 修订日期：2024-02-27 |
| DOI： |
| 中文关键词: 传输功率 入射波电压振幅 终端负载 |
| 英文关键词: transmission power amplitude of incident wave terminal load |
| 基金项目:国家自然科学基金青年基金(62201614) |
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| 中文摘要: |
| 微波传输线的传输功率是微波技术中一个重要的问题，为加强对传输功率的认识，以一道易错题为例，剖析了学员错解的原因，指出了入射波电压振幅的正确求解方法，拓展了特殊长度传输线上入射波电压振幅与终端负载的关系，并用所得关系式对该道易错题重新求解，结果表明两个关系式即简单明了、又准确直观，是一种准确计算微波传输功率的有效方法。 |
| 英文摘要: |
| The transmission power of microwave transmission lines is an important problem in microwave technology. In order to strengthen the understanding of the transmission power, this paper analyzes the reasons for the wrong solution by taking an error-prone question as an example, points out the correct solution of the amplitude of the incident wave voltage, and discusses the two relations between the amplitude of the incident wave voltage and the terminal load on the special length transmission lines, and uses the resulting relational equation to solve the error-prone question again. The results show that the two relational equations are both simple, clear, accurate and intuitive, which is an effective way to accurately calculate the microwave transmission power. |
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