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基于DDS的频率特性测试仪
引用本文:操长茂. 基于DDS的频率特性测试仪[J]. 江汉大学学报(社会科学版), 2003, 0(3)
作者姓名:操长茂
作者单位:江汉大学物理与信息工程学院 湖北武汉430056
摘    要:
介绍了基于DDS设计的频率特性测试仪,整个系统以单片机为控制核心,实现了对被测网络频率特性的测量,用液晶显示器LcD显示幅频特性和相频特性曲线,同时还可打印频响曲线.

关 键 词:幅频特性  相频特性  单片机  DDS

A Tester for Frequency Response Characteristic Based on DDS
CAO Chang-mao. A Tester for Frequency Response Characteristic Based on DDS[J]. Journal of JIanghan University:Social Sciences, 2003, 0(3)
Authors:CAO Chang-mao
Abstract:
The tester for frequency response characteristic based on DDS is introduced, it uses micro controller as the key device, to measure the frequency characteristic of network, then display amplitude and phase frequency characteristic curves with LCD and print them.
Keywords:amplitude frequency characteristic  phase frequency characteristic  micro con- troller  DDS
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