一种基于FPGA的数字可控梳状谱发生器设计  

Design of a Digital Controlled Broadban Comb Generaor Based on FPGA

作　　者：厉沁知 周焚江 蒋旭辉 LI Qin-zhi;ZHOU Fen-jiang;Jiang Xu-hui(No.36 Research Institute of CETC,Jiaxing Zhejiang 314033)

机构地区：[1]中国电子科技集团公司第三十六研究所,浙江嘉兴314033

出　　处：《数字技术与应用》2018年第8期159-161,共3页Digital Technology & Application

摘　　要：梳状谱发生技术是电子侦测系统的一项关键技术。本文介绍了一种基于FPGA的数字可控梳状谱发生器的设计,该设计采用FPGA+DA的架构,仿真并实现了梳状谱间隔为250kHz、400kHz的梳状谱信号产生,该发生器具有梳状谱间隔可调整、幅度一致性高、频点数多等特点。The development of comb spectrum is one of the key techniques of direction finding system.This paper introduces the design of a digitalcontrolled comb generator based on FPGA,The structure of FPGA＆DA was adopted to simulate and realize the comb spectrum interval of 250kHz and400kHz.The generator has the characteristics of adjustable comb spectral interval, high amplitude flatless and many frequency points.

关 键 词：梳状谱发生器 FPGA数字可控 幅度一致性高 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]