| 电子学常见波形的联系 |
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| 引用本文： | 张其善,杨东凯,韦玉川.电子学常见波形的联系[J].航空学报,2001,22(Z1):34-37. |
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| 作者姓名： | 张其善 杨东凯 韦玉川 |
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| 作者单位： | 北京航空航天大学电子工程系202教研室, |
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| 摘 要： | 锯齿波、方波、三角波和梯形波都可以展开为正余弦波形的叠加。利用一个与数论有关的公式,给出了用锯齿波、方波、三角波和梯形波表示正余弦波形的方法,进一步还给出了锯齿波、方波、三角波和梯形波之间的联系。这些关系在应用中具有基本而重要的作用。
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| 关 键 词： | 方波 三角波 锯齿波 梯形波 正弦波 |
| 文章编号： | 1000-6893(2001)0-034-04 |
| 修稿时间： | 2000年5月10日 |
RELATIONS BETWEEN COMMON WAVEFORMS IN ELECTRONICS |
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| ZHANG Qi-shan,YANG Dong-kai,WEI Yu-chuan.RELATIONS BETWEEN COMMON WAVEFORMS IN ELECTRONICS[J].Acta Aeronautica et Astronautica Sinica,2001,22(Z1):34-37. |
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| Authors: | ZHANG Qi-shan YANG Dong-kai WEI Yu-chuan |
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| Institution: | Dept. of Electronic Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | It is well known that sawtooth wave, square wave, triangular wave, trapezoidal wave can be expressed as the superposition of a series of cosine or sine functions. Based on a formula related to the number theory, expansions of sine and cosine waves by means of sawtooth wave and square wave, triangular wave, trapezoidal wave are presented, and the relations between these waveforms are discussed as well. These relations play a basic and important role in applications. |
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| Keywords: | square w ave t riangular w ave saw 2too th w ave t rapezo idalw ave sine w ave |
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