tokens: ['Figure', 'B', 'Common', 'calibration', 'approach', 'based', 'on', 'calibrating', 'the', 'polarization', 'matched', 'signal', 'paths', 'In', 'the', 'remainder', 'of', 'this', 'analysis', 'it', 'is', 'assumed', 'that', 'the', 'leakage', 'between', 'the', 'two', 'polarization', 'ports', 'of', 'the', 'measurement', 'probe', 'is', 'assumed', 'to', 'be', 'the', 'same', 'ie', 'XPD', '', 'XPD', '', 'XPD', 'and', '', '', '', '', '', 'The', 'normalized', 'powers', 'at', 'the', 'measurement', 'probe', 'terminals', 'can', 'then', 'be', 'written', 'as', '', '', 'The', 'normalized', 'ratio', 'of', 'total', 'powers', 'at', 'measurement', 'probe', 'and', 'the', 'centre', 'of', 'the', 'quiet', 'zone', 'is', 'therefore', '', 'This', 'simple', 'analysis', 'shows', 'that', 'the', 'XPD', 'of', 'the', 'measurement', 'probe', 'introduces', 'a', 'small', 'error', 'of', 'the', 'total', 'power', 'measured', 'by', 'the', 'measurement', 'probe', 'and', 'that', 'the', 'conservation', 'of', 'measured', 'powers', 'is', 'not', 'guaranteed', 'ie', 'the', 'MU', 'based', 'on', 'the', 'XPD', 'can', 'be', 'expressed', 'as', '', 'This', 'XPD', 'MU', 'is', 'tabulated', 'for', 'different', 'levels', 'of', 'XPD', 'in', 'Table', 'B', 'Table', 'B', 'XPD', 'MU', 'for', 'different', 'XPD', 'values', 'When', 'the', 'range', 'reference', 'calibration', 'is', 'based', 'on', 'a', 'full', 'matrixbased', 'approach', 'ie', 'all', 'signal', 'paths', 'are']