| 一种采用频谱分析技术测量信号失真度的方法 |
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| 引用本文： | 陈学煌. 一种采用频谱分析技术测量信号失真度的方法[J]. 西北师范大学学报(自然科学版), 2004, 40(1): 101-103 |
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| 作者姓名： | 陈学煌 |
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| 作者单位： | 青海师范大学物理系 青海西宁 810008 |
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| 摘 要： | 用射频频谱分析仪观测一个已调波的频谱成分,记录上边带或下边带中各条谱线的幅度值,从而可以根据有关算式计算出调制信号(音频信号)的失真度.
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| 关 键 词： | 失真度 音频信号 射频频谱分析仪 |
| 文章编号： | 1001-988X(2004)01-0101-03 |
| 修稿时间： | 2003-09-03 |
A method of measuring signal distortion factor by spectrum analysis technology |
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| CHEN Xue-huang. A method of measuring signal distortion factor by spectrum analysis technology[J]. Journal of Northwest Normal University Natural Science (Bimonthly), 2004, 40(1): 101-103 |
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| Authors: | CHEN Xue-huang |
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| Abstract: | Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.Accordingly the distortion factor of modulating signal(audio signal) is calculated by the related formula. |
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| Keywords: | distortion factor audio signal radio frequency spectrum analyzer |
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