| 基于CPLD的频率响应特性测试卡设计 |
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| 引用本文： | 王宏远.基于CPLD的频率响应特性测试卡设计[J].航空精密制造技术,2012(1):60-62. |
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| 作者姓名： | 王宏远 |
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| 作者单位： | 北京航空精密机械研究所 |
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| 摘 要： | 提出了一种基于CPLD的频率响应特性测试卡设计方案,分析了DDS原理的CPLD实现方法,给出了数据处理算法流程,并进行了设计验证实验,结果表明在逐点单频测试状态下,相位和幅值测量与标准仪器相比相位差小于0.5°,幅值差小于0.1dB。
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| 关 键 词： | 直接数字合成器 可编程逻辑器件 频率响应测试 离散傅里叶变换 |
Design of Frequency Response Characteristic Testing Card Based on CPLD |
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| WANG Hong-yuan.Design of Frequency Response Characteristic Testing Card Based on CPLD[J].Aviation Precision Manufacturing Technology,2012(1):60-62. |
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| Authors: | WANG Hong-yuan |
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| Institution: | WANG Hong-yuan(Beijing Precision Engineering Institute For Aircraft Industry,Beijing 100076) |
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| Abstract: | A design of frequency response characteristic testing card based on CPLD is proposed.The principle of direct digital synthesizer and its implementation with CPLD are analyzed.The algorithm of data processing is given and the design verification experiment is proceeded using point-by-point frequency test method.The results show that the phase and amplitude measurement difference are less than 0.5 degree and 0.1dB compared with the standard instrument. |
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| Keywords: | direct digital synthesizer complex programable logic device frequency response testing discrete Fourier transform |
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