基于PNA多通道扫频近场测量速度与精度分析  

Speed and accuracy of multi-channel and sweep frequency near-field measurement using PNA

作　　者：李勇[1] 李焱明[1] 傅德民[1] 于丁[1] 欧杰[1] 

机构地区：[1]西安电子科技大学天线与微波技术国防科技重点实验室,陕西西安710071

出　　处：《电波科学学报》2010年第6期1212-1218,1234,共8页Chinese Journal of Radio Science

基　　金：预研课题"相控阵天线频域快速测量与校准技术"资助项目(GW0101072601)

摘　　要：为适应宽频带多波束天线快速测量的需求,基于Agilent新型矢量网络分析仪PNA系列,研究了多通道扫频近场测量系统的特性,针对系统的测量速度和精度问题进行了详细的分析讨论,并对系统的动态范围、接收机的幅相漂移、测量的位置误差等主要误差源进行了分析,给出了提高测量精度的方法。该方法有效地降低了测量时间,提高了近场测量系统的测试效率。To meet the requirements of multi-channel and sweep frequency measurement of modern advanced antennas,this paper lists and explains the features of Agilent＇s new Performance Network Analyzer（PNA） series of network analyzers that are particularly well suited for multi-channel and sweep frequency near-field measurement.Speed and accuracy are discussed as well as dynamic range of measurement system.Amplitude,phase drift of receiver and position error are analyzed.This new configuration with faster data acquisition speed reduces total measurement times and improves the throughput of near-field measurement.

关 键 词：PNA矢网 多通道扫频测量 动态范围 幅相漂移 位置误差 

分 类 号：TN822.4[电子电信—信息与通信工程]