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基于高速ADC和FPGA的IR-UWB相干接收机设计 被引量：1

Design of an IR-UWB Coherent Receiver Based on High-Speed ADC and FPGA
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摘要 为了探索超宽带(UWB)技术的空间应用,设计了一款脉冲无线超宽带(IR-UWB)的全数字化相干接收机。本系统利用高速采样芯片ADC08D1000对IR-UWB信号进行双通道交织采样,接下来利用Xilinx FPGA对采样数据进行降速处理。按照二分搜索、相干捕获、脉冲跟踪的方案进行接收系统设计,并对该接收机进行了实际测试。最终实现了1 ns脉宽的IR-UWB信号的正确接收和1 Mb/s码速率的OOK编码通信。 In order to investigate the application of ultra wide-band （UWB） for satellite communication, a digital coherent receiver is designed for impulse radio ultra wide-band （IR-UWB）. In the system, dual-channel-inter- leaved-sampling is used to digitize the analog IR-UWB by a high-speed ADC （ADC08D1000）, and the sampled data is decelerated by Xilinx FPGA. IR-UWB signal is received through binary-searching, coherent capturing and pulse tracking. The receiver is tested and the result shows it can receive 1 ns UWB pulse accurately and communicate at 1Mb/s.
作者 侯春宇 郭丽莉 熊蔚明
机构地区 中国科学院空间科学与应用研究中心 中国科学院大学
出处 《电讯技术》 北大核心 2013年第5期603-607,共5页 Telecommunication Engineering
关键词 卫星通信 高速采样 脉冲超宽带 二分搜索 相干捕获 脉冲跟踪 satellite communication high-speed sampling IR-UWB binary search coherent capture pulse track
分类号 TN914.2 [电子电信—通信与信息系统]
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共引文献4

同被引文献5

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  • 4Zhang C,Fathy A,Mahfouz M.Performance enhancement of a sub-sampling circuit for ultra-wideband signal processing[C]// IEEE Microw.Wireless Compon. Lett,2007:875-876.
  • 5谢义方,黄永辉,熊蔚明.脉冲超宽带通信与测距技术初步研究[J].飞行器测控学报,2013,32(6):496-500. 被引量：6

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电讯技术
2013年 第5期

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