The electromagnetic energy received at a point in space from two or more closely spaced radiating elements is a maximum when the energy from each radiating element arrives at the point in phase.
The electromagnetic energy received at a point in space from two or more closely spaced radiating elements is a maximum when the energy from each radiating element arrives at the point in phase.
在空间一点受到两个或更多辐射源照射时，各个辐射源波束到达该点时相位一致则该点接收到的电磁能量最强。