计算圆阵方向图，可任意设置阵元个数和信号频率；并汇出三维图、二维方向图以及等高线图-Calculating circular array pattern can be arbitrarily set the number of array elements and signal frequency and export three-dimensional map, two-dimensional pattern and contour plots

数组移位更新、Labview基础编程、循环更新数组、移位更新-Array shift updated, Labview based programming, circular array, shift update