With choosing signal time delay and element location of nonuniform array properly, the estimated frequencies and 2 D directions of arrival are unambiguous.

适当地选取时延和非均匀阵列阵元位置，该方法的信号频率和2 D到达方向估计无模糊。

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Click and drag the incoming arrow from the element to an empty diagram location.

点击引入的箭头，从元素拖拽到一个空图位置。

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Drag the element to its new location.

将元素移动到新位置处。

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To get any location in memory, to get to any value of the list, I simply have to say which element do I want to get, I know that these things are stored in a particular size multiply that index by 4, add it to start, and then it's in a constant amount of time I can go to that location and get out the cell.

取得列表中的任何一个值,简单说来，想要取得列表中的任何元素,我知道这些元素存在特定的大小中,把下标乘以4，加到start上,然后定位到内存单元，并取出值就是固定的时间了,好的，如果元素以固定大小存储。

麻省理工公开课 - 计算机科学及编程导论课程节选

In the end, however, it all comes back to the most important element of real estate: location.

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