SINGLE-POSITION MULTIPLICATIVE VIRTUAL-REAL METHOD FOR DETERMINING COORDINATES OF RADIO-FREQUENCY SOURCE LOCATION Russian patent published in 2018 - IPC G01S5/02 

Abstract RU 2643154 C1

FIELD: radio engineering, communication.

SUBSTANCE: method is based on the energy principle, which consists in measuring (or calculating) the strength of the RFS field and at several space points with known coordinates of their location. The strength of the RFS field is measured on the RCP, and is calculated at the additional point (points). A virtual post (VP), whose coordinates and parameters of its virtual antenna (directional pattern and suspension height) are specified, is proposed as an additional point in the method. When using n VP, they are "placed" not in line with the RCP and are "spaced" from it by latitude and (or) by longitude by several arc minutes. The calculation of the strength on the VP is based on the principle of the correlation dependence (CD) of the field strengths created in a given frequency range by a pularity of radio-frequency sources located in the electromagnetic accessibility zone of the RSC according t the data base and calculated by a certain program both for the RCP and for all given VP.

EFFECT: determination of source location without the use of direction finders and radio receivers with autocorrelators.

2 cl, 7 dwg, 2 tbl

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RU 2 643 154 C1

Authors

Loginov Yurij Ivanovich

Portnago Svetlana Yurevna

Dates

2018-01-31Published

2016-08-12Filed