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3 GHz带宽数字相关器设计
Alternative TitleDesign of 3 GHz bandwidth digital-correlator
陆浩; 王振占; luhao0408@126.com
Department微波遥感部
Source Publication计算机工程与应用
2011
Volume47Issue:1Pages:56-59
ISSN1002-8331
Language中文
Keyword高速模数转换器 现场可编程门阵列 数字相关 全极化微波辐射计
Abstract为完成四个Stokes矢量参数的测量, 反演海面风场, 提出了数字极化辐射计中3 GHz带宽数字相关器的设计方法. 首先分析了高速数据采样和相关处理系统. 四路信号数据采样通过四片A/D转换器(ADC083000)完成, 采样结果传输到Xilinx公司新一代现场可编程门阵列(FPGA)-Virtex5芯片作数据的多路复用和相关运算, 相关结果通过串口上传到计算机. 详细介绍了系统结构、数据流程和各部分接口电路的设计. 系统可以实现辐射计中双极化通道8 bit量化3 GHz带宽的相关计算
Other AbstractTo get all the four Stokes parameters and ocean surface field, a 3 GHz bandwidth digital correlator used in polarization radiometer is introduced.Four high-speed A/D Converters(ADC083000) are used to sample four signal channels at the same time.The sampling results are operated in the newest Field-Programmable Gate Array(FPGA)-Virtex5 from Xilinx to make correlation calculation with correlation results translated to computer through serial port.The structure of interfacing circuit and control system of the main modules are presented in detail.For dual polarimetric channels in radiometer, the system max sampling rate is 3 GHz and the resolution is 8 bit
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3421
Collection微波遥感部
Corresponding Authorluhao0408@126.com
Recommended Citation
GB/T 7714
陆浩,王振占,luhao0408@126.com. 3 GHz带宽数字相关器设计[J]. 计算机工程与应用,2011,47(1):56-59.
APA 陆浩,王振占,&luhao0408@126.com.(2011).3 GHz带宽数字相关器设计.计算机工程与应用,47(1),56-59.
MLA 陆浩,et al."3 GHz带宽数字相关器设计".计算机工程与应用 47.1(2011):56-59.
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