High precision radar detection system and method

Details High precision radar detection system and method High precision radar detection system and method

1989-07-26

1990-05-29

Tarcza, Thomas H.

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

Directive

Beacon or receiver

342437, G01S 380

Patent

active

049299581

ABSTRACT:
A radar detection system with four transducers accurately determines the azimuth angle of a radar emitting object. The three strongest signals from the four transducers are combined to generate two differential signal values. A table is provided which contains angle of arrival values associated with all possible combinations of the two differential signal values. To determine the angle or arrival of a particular object, an index value is derived from the corresponding pair of differential signal values, and that index value is used to select the record in the table with the angle of arrival of the object, relative to the transducer which received the strongest signal. The table also stores a signal measurement correction for each combination of the two difference signal values. The signal measurement correction is to adjust the measured signal strength when calculating the distance of the object from the radar detection system.

REFERENCES:
patent: 4198705 (1980-04-01), Massa
patent: 4207572 (1980-06-01), Hipp et al.
patent: 4313117 (1982-01-01), Lipsky

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