| 基于软件无线电的短波中频数字化 |
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| 引用本文： | 周学科,张太镒,王小军.基于软件无线电的短波中频数字化[J].重庆邮电学院学报(自然科学版),2004,16(4):34-37. |
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| 作者姓名： | 周学科 张太镒 王小军 |
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| 作者单位： | [1]西安交通大学通信与信息系统系陕西西安710049 [2]西安烽火电子科技有限责任公司陕西西安710049 |
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| 摘 要： | 详细介绍了一种短波电台中频数字化平台的硬件设计。该平台基于软件无线电思想，充分利用了电台的射频前端，在二中频处进行低通采样，通过精心设计的数字信道和专用芯片进行数字变频，在基带采用通用DSP对信号进行调制解调。经测试，该平台不仅提高了电台的收发性能，而且使电台部分具有了软件无线电功能，通过在DSP中加栽不同的软件模块可满足现代短波通信对语音、数据等多种通信业务的需要，具有良好的兼容性和可扩展性。
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| 关 键 词： | 软件无线电 短波通信 中频数字化 数字变频 |
IF digitization of SW based on software radio |
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| ZHOU Xue-ke,ZHANG Tai-yi,WANG Xiao-jun.IF digitization of SW based on software radio[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2004,16(4):34-37. |
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| Authors: | ZHOU Xue-ke ZHANG Tai-yi WANG Xiao-jun |
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| Institution: | ZHOU Xue-ke~1,ZHANG Tai-yi~1,WANG Xiao-jun~2 |
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| Abstract: | The hardware desigh of IF digitization platform of SW transeiver based on of software defined radio, which adopts special digital up-down frequencyconversion and digital signal processing technology, is introduced in this paper. By testing and comparing,the platform improves some SW communication performances and has some functious of software radio.By loading different modules in DSP,it can meet the needs of the modern shortwave radio for voice,data and ather services of communication and it has a better compatibicity and expandability. |
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| Keywords: | software radio short wave communication IF digitization digital freguency conversion |
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