| 基于高速ADC和FPGA的IR-UWB相干接收机设计 |
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| 引用本文： | 侯春宇,郭丽莉,熊蔚明.基于高速ADC和FPGA的IR-UWB相干接收机设计[J].国际商务研究,2013,53(5). |
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| 作者姓名： | 侯春宇 郭丽莉 熊蔚明 |
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| 作者单位： | 中国科学院 空间科学与应用研究中心，北京 100190；中国科学院大学，北京 100190;中国科学院 空间科学与应用研究中心，北京 100190;中国科学院 空间科学与应用研究中心，北京 100190 |
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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。
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| 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 |
Design of an IR-UWB coherent receiver based on high-speed ADC and FPGA |
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| HOU Chun-yu,GUO Li-li and XIONG Wei-ming.Design of an IR-UWB coherent receiver based on high-speed ADC and FPGA[J].International Business Research,2013,53(5). |
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| Authors: | HOU Chun-yu GUO Li-li and XIONG Wei-ming |
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| Abstract: | In order to investigate the application of ultra wide-band (UWB)
for satellite communication, a digital coherent receiver is designed for impuls
e radio ultra wide-band (IR-UWB). In the system, dual-channel-interleaved-s
ampling 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 recei
ved through binary-searching, coherent capturing and pulse tracking. The rece
iver is tested and the result shows it can receive 1ns UWB pulse accurately and
communicate at 1Mb/s. |
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| Keywords: | satellite communication high-speed sampling IR-UWB binary search coherent capt
ure pulse track |
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