该文只考虑了接收天线选择，天线选择的准则是基于每个天线接收到的信号向量F-2范数。
Selection criterion is based on the Frobenius-2 norm of received signal vector at each receiving antenna.
仿真结果表明，当到达角增大时，相关系数随之减小，从而使接收天线选择后MIMO信道容量有一些降低。
The simulation results show that the correlated coefficient decreases, and the channel capacity of MIMO system after antenna selection slightly decreases, when the receiving Angle increases.
五：馈线，这个馈线很重要的，我们必须要选择好，而且我们要知道一般的天线距离不能超过50米，要不然接收的信号就会变弱。
Five: feeder, the feeder is very important, we must choose good, and we want to know the general antenna distance can't more than 50 m, or receiving signal will become weak.
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