concentric ring

基本解释

A new method called concentric ring, for calibrating the center of the distortion is adopted;
分析了光学成像系统中畸变校正的原理，采用了新的确定畸变中心的方法——同心圆环法；
This paper focuses on the concentric ring fractal array of the low side lobe characteristics in fractal antenna arrays.
在分形阵列天线中重点研究了具有低旁瓣特性的共心圆环分形阵。
According to different generators, the concentric ring fractal array can be divided into the linear array, the plane triangular array, the flat square array and the hexagonal array.
共心圆环分形阵可以根据不同的生成元而分为线性阵、平面三角阵、平面方阵和六边形阵。

The canals that ring the city in tight concentric circles are lined with 3, 000 of them, moored to centuries-old stone quays.
FORBES: Playing the Float