Definitions for "Sidelobes"
Keywords:  lobe, antenna, transducer, main, peaks
lobes to the side of an antenna
The distinct portions of an antenna's radiation pattern in any area other than the main lobe.
Peaks in sound intensity generated by a transducer found to the side of the main lobe.
Spectral features that appear to the sides of an absorbance band as undulations in the baseline. Sidelobes are caused by having to truncate an interferogram, as a result of finite scan distance, and can be removed from a spectrum by multiplying the spectrum’s interferogram by an apodization function.