Mathematical Absorber Reflection Suppression (MARS) for ...
Mathematical Absorber Reflection Suppression (MARS) for ...
Mathematical Absorber Reflection Suppression (MARS) for ...
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Mode Amplitude in dB<strong>MARS</strong> Mode AnalysisSpherical Modes <strong>for</strong> M=1• Spherical near-field to far-fieldtrans<strong>for</strong>mation involves sortingmeasured energy into sphericalmodes• Higher order modes are caused byreflections and can be filtered outif identified to be outside thephysical boundary of the antenna• Plot at right shows• Normal SNF modes• Modes after phase center trans.• Mode cutoff chosen based onphysical aperture size limit0-5-10-15-20-25-30-35-40-45-50-55-60-65-70Meas Trans maxmodes = 610 20 30 40 50 60Mode N Number14
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