Incomplete testing environment may result in reduced testing precision 测试环境配置不全就可能导致测试精度的降低。
2.
One has to set up a point source in the far field and rotate the system in the fan beam direction . the difficulty is mainly due to the incomplete test environment 但是,测量g矩阵不是一件很容易的工作,必须旋转仪器扫描远场的点源得到,测试条件要求比较苛刻。