Materials Measurement Phil Bartley Shelley Begley
Materials Measurement Phil Bartley Shelley Begley
Materials Measurement Phil Bartley Shelley Begley
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TRM CalibrationThruReflectMatchHard to get broadband absorbers for matchOne widely use technique has been TRM. This technique uses a thru,reflect standard and matched load standards to calculate the errorcoefficients. Problem is finding a broad band absorbing material for thematch standard. Imperfections in the match standard cause residual errorsafter calibration.61