相关干涉仪测向算法的FPGA设计实现  

Design and Implementation of Correlation Interferometer Direction Finding Algorithm with FPGA

作　　者：贾立哲[1] 魏利辉[1] 

机构地区：[1]中国电子科技集团公司第54研究所,河北石家庄050081

出　　处：《无线电工程》2006年第12期40-42,共3页Radio Engineering

摘　　要：相关干涉仪算法是一种设计实现非常简便的测向方法,使用FPGA设计技术可以解决处理速度比较慢的问题。介绍了相关干涉仪测向算法的原理和技术特点,对设计中采用的5阵元圆形天线阵相关干涉仪测向系统的硬件平台组成结构和处理过程进行了简述,并且详细说明了使用FPGA所实现的主要功能和FPGA设计所采用的设计工具。对设计中采用的关键技术和采用FPGA实现相关干涉仪测向处理后测向处理速度的提高进行了分析比较。The correlation interferometer algorithm is a kind of direction finding method with the characteristic of easy design and implementation. The application of FPGA can resolve the problem of low process speed. Above all, the principle and technical characteristic of this arithmetic is introduced in this paper. And then, the hardware platform structure and processing procedure of the direction finding system designed with round antenna array, which are composed with five array-elements, is described briefly. Also, the main function realized by FPGA and the design tools are elaborated .Finally, the adoptive key technique and the improvement of the process speed after the application of FPGA on the correlation interferometer direction finding algorithm are analyzed.

关 键 词：FPGA 相关干涉仪 FFT 相位 协同仿真 

分 类 号：TN914[电子电信—通信与信息系统]