Mathematical Absorber Reflection Suppression (MARS) for ...

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Outline• Review Chamber Accuracy Evaluation Methods• Mathematical Absorber Reflection Suppression (MARS)• MARS Usage with 0.5 to 18 GHz Broadband Log Periodicantenna for Chamber Reflection Evaluation• MARS Usage with 2.6 – 3.95 GHz Open Ended Waveguide(OEWG) Probe for Chamber Reflection Evaluation• MARS Results with 0.49 to 0.75 GHz SGH in Open Test Labwith no Absorber!• Summary2
NSI‟s New SNF Chamber• NSI-700S-75 SNF Scanner• 24‟x24‟x20‟ Chamber with36” pyramidal absorber• Tested with NSI-RF-DLP-03(0.5-18 GHz) Dual-Pol LogPeriodic Antennas as AUTand probe• MARS Analysis Used3
Page 1: Mathematical Absorber Reflection Su
Page 5 and 6: Amplitude (dB)Plot Subtraction Expl
Page 7 and 8: Simple Chamber Reflection Test• T
Page 9 and 10: Typical AUT Offset Test ResultWR Si
Page 11 and 12: 360 phi vs. 180 phi SNF ScanningAUT
Page 13 and 14: MARS Processing• MARS uses the st
Page 15 and 16: Key MARS Requirements• Over sampl
Page 17 and 18: dBError Level & Improvement for DLP
Page 19 and 20: dBError Level Improvement for WR-28
Page 21 and 22: Amplitude (dB)Amplitude (dB)Open La
Page 23 and 24: Open Lab Test Results - WR-1500 SGH
Page 25 and 26: MARS Improvement SummaryAntenna Ave

Mathematical Absorber Reflection Suppression (MARS) for ...

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