Design and Realization of Millimeter Wave Antenna Testing System Based on Manipulator
Testing antenna lobe pattern is an important method to analyze antenna performance.With the extensive application of millimeter wave antennas,how to develop a millimeter wave antenna test system with flexible deployment and low cost,it has become a key in the mass production of millimeter wave antennas.To solve this problem,a millimeter wave antenna testing system based on a manipulator is developed.At the same time,in view of the single test function of current planar antenna testing systems,the milli-meter antenna testing system based on the manipulator can not only perform the planar near-field test,but also implement the cylin-drical near-field test,spherical near-field test,and far-field test.The feasibility of millimeter wave antenna measurement based on the manipulator is verified by the actual precision measurement experiment and the key motion parameter calculation of the manipulator,which provides the theoretical basis for the system software design.Compared with the data of traditional planar antenna testing sys-tems,the gain deviation is 0.73%,the beamwidth deviation is 1.4%,and the sidelobe deviation is 1.37%.Practical applications show that the system can meet the test requirements of millimeter wave antennas,and it provides an important means for millimeter-wave antenna testing.