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为了使天线测试系统能有较高的测试精度,系统需具备水平圆周方向、俯仰方向和水平直线方向均可转动且转动精度非常高的天线转台;还需具备宽频率范围、高灵敏度的信号发射与接收处理装置;同时需具备操作方便、可精确控制天线转台和矢量网分仪以及能把测量的数据显示并保存、处理的测试软件。利用高精度天线转台和矢量网络分析仪,开发设计相应的自动测试软件,并进行天线相位中心的标定,为高精度天线相位中心的应用奠定了基础。
In order to make the antenna test system have higher test accuracy, the system needs to have an antenna turntable that can rotate horizontally and horizontally in the pitch direction and the horizontal straight direction, and has a very high rotation accuracy. The antenna turntable also needs to have a wide frequency range and a high sensitivity signal transmission And receive processing device; at the same time need to have easy to operate, can accurately control the antenna turntable and vector network divider and the measured data can be displayed and saved, processed test software. The use of high-precision antenna turntable and vector network analyzer, development and design of the corresponding automatic test software, and the antenna phase center calibration, phase center for high-precision antenna applications laid the foundation.