Method of and system for microwave interferometry

摘要

Images of objects are obtained by microwave signal radiators and receptors which are disposed in a two dimensional array with the receptors disposed orthogonally to the radiators. The output of the receptors for illumination provided separately from each of the radiators is compared with reference microwave signals coherent with the radiated signals but varied cyclically in amplitude and phase. The results of the comparison are a plurality of outputs, which may be in digital form and which correspond to minimums in the power level of the difference signals obtained by comparison of the received signals and phase and amplitude varying reference signals. These outputs provide a two-dimensional interference pattern which can be translanted into a visual image of the object.