请教一个天线方向图的问题

12-08

请问天线的方向图和天线的放置方法有没有关系？

没有

1)If there is nothing near of the antenna, that's ok.
2)But actually, the antenna is always used beside something,which is named environment. So, in sumilation, we need to consider about the environment, especially at high frequency and with metal objects around, when the dimension of the objects in environment is simular or big than the wavelength of the electromagnetic wave.
one obvious example is that in half space,the antenna will be mirrored as contrast with in free space.

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