| 基于FPGA IP核的卫星扩频信号捕获的实现 |
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| 引用本文： | 何琴,单庆晓,陈建云,唐洪.基于FPGA IP核的卫星扩频信号捕获的实现[J].测试技术学报,2011,25(1):52-58. |
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| 作者姓名： | 何琴 单庆晓 陈建云 唐洪 |
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| 作者单位： | 国防科技大学,机电工程与自动化学院,湖南,长沙,410073 |
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| 摘 要： | 扩频通信是一种有着优异性能的通信方式.文章针对卫星扩频通信,设计了一种信号捕获方案,主要研究了接收机中的数字下变频、伪码捕获等内容.利用编写VHDL程序和调用部分IP核相结合的方法在FFGA上实现了该方案.相应的测试结果证明了方案的正确性.
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| 关 键 词： | 数字下变频(DDC) IP核 FPGA 信号捕获 扩频 |
Implementation of Spread Spectrum Satellite Signal Acquisition Based on FPGA IP Core |
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| HE Qin,SHAN Qingxiao,CHEN Jianyun,TANG Hong.Implementation of Spread Spectrum Satellite Signal Acquisition Based on FPGA IP Core[J].Journal of Test and Measurement Techol,2011,25(1):52-58. |
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| Authors: | HE Qin SHAN Qingxiao CHEN Jianyun TANG Hong |
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| Affiliation: | HE Qin,SHAN Qingxiao,CHEN Jianyun,TANG Hong(Mechatronic and Automation School,National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | A signal acquisition method was designed for spread-spectrum satellite communication.The techniques of digital down-convert(DDC),pseudo code acquisition etc were studied.We implemented the FPGA-based design by VHDL programming and calling part of IP core,and analyzed its feasibility by simulation. |
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| Keywords: | digital down-convert(DDC) IP core FPGA signal acquisition spread spectrum |
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