通信系统原位检测中的信号源设计  

Design of signal source of communication system in-situ test

作　　者：张增[1] 刘玉军[1] 董保良[1] 杨新旺[1] 李林[1] 

机构地区：[1]装甲兵工程学院,北京100072

出　　处：《现代仪器》2009年第6期57-59,68,共4页Modern Instruments

摘　　要：文章介绍DDS工作原理和AD9954、 AD9959的特性,论述信号源硬件设计、调频软件设计和性能分析。该信号源具有结构简单、频率分辨率高、功耗低、输出频率信号相位连续、频率转换时间短、调制简单灵活等优点,实现通信系统原位检测的功能需求。The paper introduces the principle of DDS and the feature of AD9954 and AD9959.The design of hardware and FM software and the analysis of performance are discussed in detail.The test result indicates that this design have many excellence performances,such as high frequency resolution,low power cost,output fre- quency signal continuous and the time of frequency-shift short and modulation simple and flexible.The signal source is to realize the functional demand of in-situ test of communication system.

关 键 词：通信系统 原位检测 信号源设计 test IN-SITU communication system signal source 频率转换时间 频率分辨率 硬件设计 性能分析 相位连续 软件设计 频率信号 结构简单 功能需求 工作原理 文章 输出 功耗 

分 类 号：TH7[机械工程—仪器科学与技术]