宽带雷达信号源中的数字ALC电路设计与实现  

Design and Realization of Digital ALC Circuits in Wideband Rader Signal Source

作　　者：刘建栋[1] 吕进来 张方辉[1] 吴景峰[1] 

机构地区：[1]中国电子科技集团公司第13研究所,石家庄050051 [2]空军驻石家庄地区军事代表室,石家庄050051

出　　处：《舰船电子对抗》2014年第6期113-116,120,共5页Shipboard Electronic Countermeasure

摘　　要：自动电平控制(ALC)电路是宽带雷达信号源系统的关键组成部分,保证了功率平坦度、准确度以及分辨率。提出了一种新颖的宽带大动态范围数字ALC设计方案,给出了关键电路和ALC算法的设计实现。通过将ALC系统与信号源通道融合优化设计,得到了较好的性能指标。测试结果表明,该设计方案实现了较好的频谱纯度和功率平坦度,已在工程实践中得到应用。Automatic level control（ALC）circuits are the key components of wideband radar signal source system,ensures the power flatness,accuracy and resolution.This paper presents a new digital broadband and wide dynamic range ALC design project,gives the design and realization of key circuits and ALC algorithm.Based on the fusion optimization design of ALC system and signal source channel,the better performance index is fetched.The test result indicates that this design project achieves better spectrum purity power flatness and has been applied to the engineering practise.

关 键 词：自动电平控制 功率平坦度 宽带 雷达信号源 

分 类 号：TN958[电子电信—信号与信息处理]