某型国外引进毫米波雷达本振系统的改进方法  

An Improved Method for the Local Oscillator System of a Type of Imported MMW Radar

作　　者：朱秋生[1] 张玉康 ZHU Qiusheng;ZHANG Yukang(No.702 Factory of Navy,Shanghai 200434)

机构地区：[1]海军702厂,上海200434

出　　处：《舰船电子工程》2021年第1期50-52,97,共4页Ship Electronic Engineering

摘　　要：通过介绍某型国外引进毫米波雷达的自动频率控制系统的基本原理,并对其主要故障原因进行分析,提出了用数字瞬间测频技术研制自适应本振源,对原本振系统进行改进性的修理方法。通过对自适应本振源关键指标进行分析,确保在提高装备可靠性的同时不降低系统战技术性能。This paper introduces the basic principle of an imported MMW radar automatic frequency control system,analyzes its main failure causes,and proposes developing an adaptive local oscillator using digital instantaneous frequency measurement tech⁃nology to improve the original oscillator system.By analyzing the key indexes of the adaptive local oscillator,it is ensured that the re⁃liability of the equipment is improved while the technical and tactical performance of the system is not reduced.

关 键 词：毫米波雷达 接收机 自适应本振 自动频率控制 

分 类 号：TN74[电子电信—电路与系统]