| 双模对讲机中数字编码静噪系统的实现 |
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| 引用本文： | 许科,黄磊,崔慧娟,唐昆.双模对讲机中数字编码静噪系统的实现[J].信息技术,2011(10):90-93. |
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| 作者姓名： | 许科 黄磊 崔慧娟 唐昆 |
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| 作者单位： | 清华大学电子工程系清华信息科学与技术国家实验室,北京,100084 |
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| 摘 要： | 由于数字对讲机的频谱利用率比模拟对讲机高得多,还由于数字对讲机能够提供模拟对讲机无法达到的数据处理种类及灵活性,因此模拟对讲机的数字化改造进程已势不可挡.在这个过渡时期,需要开发数模兼容的双模对讲机,以满足市场需要并实现平缓过渡.双模对讲机的数字基带信号处理系统已经用数字信号处理器(DSP)实现,以往使用专用芯片实现的...
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| 关 键 词： | 数字编码静噪 数模兼容 双模对讲机 数字信号处理器 |
Implementation of digital coded squelch system in dual-mode two way radio |
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| XU Ke,HUANG Lei,CUI Hui-juan,TANG Kun.Implementation of digital coded squelch system in dual-mode two way radio[J].Information Technology,2011(10):90-93. |
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| Authors: | XU Ke HUANG Lei CUI Hui-juan TANG Kun |
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| Affiliation: | XU Ke,HUANG Lei,CUI Hui-juan,TANG Kun(Tsinghua National Laboratory for Information Science and Technology,Department of Electronic Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Because the digital two way radio's spectrum efficiency is much higher than analog one,and also the digital one can provide more kinds of data processing and flexibility,so analog two way radio's digital transformation process has been overwhelming.In this transitional period,development of dual-mode two way radio should meet the market needs to achieve smooth transition.The digital baseband signal processing system in dual-mode two way radio has been implemented on digital signal processor(DSP),then,the di... |
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| Keywords: | digital coded squelch digital-analog-compatible dual-mode two way radio digital signal processor |
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