METHOD AND DEVICE OF SCATTERING MATRIX MEASUREMENT Russian patent published in 2008 - IPC G01S13/04 G01R29/08 

Abstract RU 2338218 C2

FIELD: measuring equipment.

SUBSTANCE: declared method refers to radiolocation and implies that within far-field region of two antennas, first of which is for irradiation of measured object, and the second one is for irradiation of reference signal object, measured object and reference signal object are arranged one over the other so that their mass center lay on one vertical straight line. Then first antenna irradiates measured object with orthogonal component of radiation. And second antenna irradiates reference signal object with coherent radio-waves at one frequency. Thus second antenna receives reradiation of reference signal object. And first antenna receives reradiation of measured object, measures and recodes amplitudes and phases of orthogonal components of reradiations in preset polarised basis. Then first antenna irradiates measured object of other orthogonal component of radiation. Second antenna irradiate reference signal object. Second antenna receives reradiations of reference signal object. First antenna receives reradiations of measured object, measures and recodes amplitudes and phases of orthogonal components of this reradiation in preset polarised basis. Phases of reradiation of measured object, measures concerning reradiation phase of reference signal object. Declared device contains monochromatic radio-wave generator, three directional couplers, polarisation transformer, directional polarisation coupler, transmitting-receiving antenna of measured object, transmitting-receiving antenna of reference signal object and object soft suspension system with object rotator.

EFFECT: higher measurement accuracy.

2 cl, 1 dwg

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RU 2 338 218 C2

Authors

Valeev Georgij Galiullovich

Dates

2008-11-10Published

2006-10-12Filed