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phase center

查词链接:https://www.dute.org/dict/phase_center复制链接
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abstract:
In horn and other directional antennas, the apparent phase center is used since radiation is only emitted at certain angles .In antenna design theory, the phase center is the point from which the electromagnetic radiation spreads spherically outward, with the phase of the signal being equal at any point on the sphere.

常用短语
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