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main lobe

   Also found in: Acronyms, Wikipedia 0.05 sec.
main lobe [′mān ′lōb]
(electromagnetism)


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Practical antennas have a first sidelobe level of about 22 dB to 25 dB down from the main lobe, and some energy will leak out in the direction of c2.
The proprietary technology delivers greater than 30 dB of attenuation at all angles outside of the main lobe.
 
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