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Antenna Directivity Enhancement
Nov 19, 2016

Several dipole array, capable of controlling radiation, the "flat doughnuts" concentrate further on in the horizontal direction signals.

Following figure is 4 and a half wave dipoles arranged in a vertical up and down vertical four-element array of solid direction and vertical patterns.

Can also use reflector radiant energy can be controlled to a unilateral direction, plane reflecting plates on the array constitutes a fan-shaped area covering the antenna. Horizontal radiation pattern below illustrates------reflector reflects the power of the reflector to a unilateral direction, improves the gain.