干扰机中基于CORDIC算法的检波与鉴相实现  

Implementation of demodulation and phase discrimination based on CORDIC algorithm in jammer

作　　者：熊学文[1] 刘佳琪[1] 

机构地区：[1]试验物理与计算数学实验室,北京100076

出　　处：《航天电子对抗》2010年第5期47-49,共3页Aerospace Electronic Warfare

摘　　要：给出了一种在干扰机中适合于FPGA实现的基于CORDIC(Coordinate Rotation Digital Computer)算法的数字检波和数字鉴相方法。首先讨论了CORDIC算法和数字检波算法,并对算法的数字鉴相进行了分析,然后在FPGA中实现算法,并给出了基于算法的数字检波和数字鉴相实现结果。通过资源利用情况及FPGA仿真的结果表明,基于CORDIC算法的数字检波与数字鉴相方法是有效可行的。The method of digital demodulation and digital phase discrimination in jammer based on cordic algorithm which is easy to implement in fpga is presented.Firstly,the cordic algorithm and the algorithm of digital demodulation are discussed,and analyze the digital phase discrimination of the cordic algorithm.Secondly,implement the cordic algorithm in fpga,the result of the digital demodulation and digital phase discrimination is given out,the source usage and the result of simulation in fpga indicate the method of digital demodulation and digital phase discrimination based on cordic algorithm is efficient and feasible.

关 键 词：CORDIC算法 数字检波 数字鉴相 FPGA 

分 类 号：TN972[电子电信—信号与信息处理]