| 摘要: |
| 在微波暗室内进行射频仿真试验时，必须保证被试装备天线回转
中心和天线阵列的球心重合，否则就会引起测向误差，从而影响对被试装备性能的科学评估
。分析了对心不准对装备测向测试结果的影响，建立了测向误差的分析模型，并且结合实例
详细分析了偏心距离和测向误差的关系。相关分析模型和结论可以作为对心设备建设中对对
心精度的指标论证的依据，也可以为仿真试验战情的设计提供科学的借鉴。 |
| 关键词: 射频仿真试验系统 天线阵列 对心设备 测向误差 被试装备 |
| DOI： |
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| 基金项目: |
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| Impact of equipment under test(EUT) antenna rotating center deviating antenna array centre on direction-finding |
| ZHENG Xing,HE Jin-long,GAO Jun-shan,LI Zhi,YANG Li-du |
| () |
| Abstract: |
| RF simulation test in microwave anechoic chamber must ensure Equipment under Tes
t(EUT) antenna rotating center and antenna array centre to be coincided, otherwi
se it will cause direction-finding(DF) error, thus affecting the scient
ific assessment of equipment performance. The influence of antenna rotating cent
er deviating antenna arra
y centre on equipment performance test results is analysed, a DF error analysis
model is established and the relationship between eccentric distance and DF erro
r is discussed through an example. This research work not only can be used as th
e basis of the center coincidence device in the construction of the precision in
dex demonstration，but also can provide scientific reference for simulation sce
nario design. |
| Key words: radio frequency simulation system antenna array center coincidence device direction-finding error equipment under test(EUT) |
