NSSC OpenIR  > 微波遥感部
Alternative TitleDesign and Optimization of Digital Down Converter based on Pipeline
王倩; 董晓龙; 朱迪
Source Publication遥感技术与应用
Keyword数字下变频器 分布式算法 流水线技术
Abstract数字下变频器(Digital Down Converter,DDC)是雷达数字接收机的重要组成部分,其功能是将数字化的雷达中频信号进行下变频至基带。DDC主要完成星载微波散射计的正交解调、滤波和降采样算法。出于星载应用对可靠性和芯片资源的要求,选择Actel基于FLASH 技术的FPGA芯片,并采用基于流水线技术和简化的正交解调及分布式滤波的算法来实现DDC模块功能。
Other AbstractDigital Down Converter(DDC)is an important part of the radar-receiver,and its function is to convert the frequency of the digital signal received to base-band.In this paper,main function is to complete the quadrature demodulation,filtering and the down sampling.The Actel FPGA chip based on Flash is chosen as the security and the resource concern.A new method based on pipeline technology,simplified quadrature demodulation and distributed filter arithmetic is used to implement the DDC module.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Recommended Citation
GB/T 7714
王倩,董晓龙,朱迪. 基于流水线技术的数字下变频器设计优化[J]. 遥感技术与应用,2014,29(1):151-154.
APA 王倩,董晓龙,&朱迪.(2014).基于流水线技术的数字下变频器设计优化.遥感技术与应用,29(1),151-154.
MLA 王倩,et al."基于流水线技术的数字下变频器设计优化".遥感技术与应用 29.1(2014):151-154.
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