The receiving antenna is a 4-element array.

接收天线为四元阵。

youdao

The radiation element, the coupling probe and the feeding system were designed in details, as a result, an X-band 4-element array model was obtained.

阐述了矩形径向线馈电螺旋阵的工作原理，对辐射单元、耦合探针和馈电系统进行了详细设计，进而得到一个X波段4单元阵列天线模型。

youdao

In Listing 4, the first line of code takes each element of an array, calls the closure on it, and then builds a collection with the results.

在清单4中，第一行代码提取数组中的每个元素，并在此基础上调用闭包，然后用结果构建一个集合。

youdao