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Today EMC emissions of automotive components are often measured in anechoicchambers by an antenna at fixed position according to CISPR 25(ALSE-method). The antenna voltage often cannot sufficiently describe thebehaviour of the measured electronic components and systems. Furthermorespace requirements and costs are very high for the ALSE-method. Field- andcable-scan methods combined with near-field to far-field transformationtechniques might be a good alternative.  Residual reflections from the walls, the metallic floor, the measuringtable, interaction of the antenna with the environment, and other factorsaffect the measurements. Thus, models which only regard the currentdistribution for near- and far field calculation cannot produce resultsequal to a chamber measurement.  In this paper methods for computing transfer functions for the substitutionof EMC antenna measurements with field- and cable scans in a specifiedcalibration area are introduced. To consider influences of the environment,the environment is characterized in a first step and included with transferfunctions in the calculation process for the equivalent ALSE-field

Substituting EMC emission measurement by field and cable scan method using measured transfer function