Interrogator assembly for system of identification by radio-dete

Details Interrogator assembly for system of identification by radio-dete Interrogator assembly for system of identification by radio-dete

1996-02-06

1997-10-14

Pihulic, Daniel T.

Communications: directive radio wave systems and devices (e.g.,

Radar transponder system

Iff or sif

G01S 1378

Patent

active

056776942

ABSTRACT:
The disclosure relates to the recognition of an objective known as an IFF or "Identification Friend or Foe" system. In the interrogator unit of the IFF system, the signals received undergo processing operations that take account of the characteristics of the antenna and enable the useful information to be separated from the disturbances. In order to be able to use an electronic scanning antenna in spite of the fact that it has characteristics which vary with the training angle, hence with the direction in which the objective is located, the processing operations to be performed are designed for different training angles, the characteristics of these processing operations are memorized and the processing operations are performed as a function of the training angle.

REFERENCES:
patent: 4564840 (1986-01-01), Brisse et al.
patent: 5072224 (1991-12-01), Verbeke et al.
patent: 5218365 (1993-06-01), Woodall
patent: 5311184 (1994-05-01), Kuntman

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