Lobe: Difference between revisions

From Glossary of Meteorology
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|Meaning=In an [[antenna pattern]], a region of local maximum in the emitted [[intensity]]. The strongest  lobe is in the pointing direction of a directional [[antenna]] and is called the [[main lobe]].
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|Explanation=The configuration of lobes is determined by three factors: 1) [[wavelength]]; 2) geometrical properties  of the antenna and [[feed]] system; and 3) mutual [[interference]] between the direct and reflected  rays for an antenna situated above a reflecting surface. The sidelobes or minor lobes are an unavoidable  consequence of the finite size of the antenna. Though undesirable, they ordinarily contain  much less [[power]] than the main lobe. <br/>''See'' [[antenna pattern]].
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== lobe ==
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<div class="definition"><div class="short_definition">In an [[antenna pattern]], a region of local maximum in the emitted [[intensity]]. The strongest  lobe is in the pointing direction of a directional [[antenna]] and is called the [[main lobe]].</div><br/> <div class="paragraph">The configuration of lobes is determined by three factors: 1) [[wavelength]]; 2) geometrical properties  of the antenna and [[feed]] system; and 3) mutual [[interference]] between the direct and reflected  rays for an antenna situated above a reflecting surface. The sidelobes or minor lobes are an unavoidable  consequence of the finite size of the antenna. Though undesirable, they ordinarily contain  much less [[power]] than the main lobe. <br/>''See'' [[antenna pattern]].</div><br/> </div>
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Latest revision as of 05:52, 29 March 2024

In an antenna pattern, a region of local maximum in the emitted intensity. The strongest lobe is in the pointing direction of a directional antenna and is called the main lobe.

The configuration of lobes is determined by three factors: 1) wavelength; 2) geometrical properties of the antenna and feed system; and 3) mutual interference between the direct and reflected rays for an antenna situated above a reflecting surface. The sidelobes or minor lobes are an unavoidable consequence of the finite size of the antenna. Though undesirable, they ordinarily contain much less power than the main lobe.
See antenna pattern.

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