球形的则不同，它会把波束汇聚到一条线上——这就是为什么阿雷西博先前使用的是“线反馈”天线。
A sphere, in contrast, concentrates its beam to a line - which is why a "line feed" antenna was originally used at Arecibo.
由此可进一步分析球形导体上线状天线的辐射特性。
The radiation characteristics for linear antennas on a spherical-shape satellite may further be analyzed.
但是常规球形解码算法不能解决发送天线大于接收天线的问题。
However, the exist sphere decoding algorithm can not solve the system where there are more transmit antennas then the receive antennas.
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