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The angular distance between two successive nulls of main lobe is called as ______

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The angular distance between two successive nulls of main lobe is called as ______

(a) FNBW

(b) HPBW

(c) Beam width

(d) FBR

I got this question by my school principal while I was bunking the class.

The query is from Antenna Characteristics topic in section Antenna Parameters of Antennas

1 Answer

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Best answer
Right option is (a) FNBW

Easiest explanation: The angular distance between two successive nulls of main lobe is called First Null Beam width. Half-power beam width is the angular distance when 50% of power is radiated. FBR is the Front-to-Back ratio defined as ratio of power radiated at 0° to power radiated at 180°.

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