Random Surface Reflective Plate

This work is protected under USPTO Provisional Application 61840931

Progress Report, VNA and anechoic chamber measurements

Surface

  • Building a 40x40 cell surface, cell height random per =RANDBETWEEN(0,20)/80 + 0.25, cell size (.5-1.0)λ over 25-50 GHz.

Measurements

  • Measure S-11 using the VNA in the back lab.
  • Use anechoic chamber to simulate side lobe condition, measure reduction in side lobe from random surface plate versus a flat plate.

Modeling

  • CST at Green Bank

Pictures and Plots

  • S11 Measurement on VNA:
    IMAG0092.JPG

  • Reflection Measurements in GB Anechoic Chamber:
    DSC 0070.JPG

  • Reflection Measurements in GB Anechoic Chamber:
    38GHzSized40.jpg
'RSP' = Random Surface Plate, 'FP45' = Flat Plate at 45 deg, 'HR10' = The absorber covering the plate, 'LP' = Aligned using laser pointer method
Topic attachments
I Attachment Action Size Date Who Comment
38GHzSized40.jpgjpg 38GHzSized40.jpg manage 77 K 2014-05-30 - 08:57 GalenWatts Reflection Measurements in GB Anechoic Chamber
8127_013-Provisional_Final.pdfpdf 8127_013-Provisional_Final.pdf manage 513 K 2014-05-30 - 09:15 GalenWatts Provisional Patent Filing
DSC_0070.JPGJPG DSC_0070.JPG manage 1 MB 2014-05-30 - 08:35 GalenWatts Reflection Measurements in GB Anechoic Chamber
IMAG0092.JPGJPG IMAG0092.JPG manage 71 K 2014-05-30 - 08:33 GalenWatts S11 Measurement on VNA
ProgressReport.pdfpdf ProgressReport.pdf manage 1 MB 2014-05-30 - 09:19 GalenWatts Progress Report, April 2014
Topic revision: r5 - 2014-05-30, GalenWatts
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