Method and system for object detection within an angular zone, a

Details Method and system for object detection within an angular zone, a Method and system for object detection within an angular zone, a

1993-04-23

1997-01-28

Sotomayor, John B.

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

Return signal controls external device

Radar mounted on and controls land vehicle

342157, 342107, 342113, 342146, G01S 728, G01S 1306, G01S 1360

Patent

active

055981631

ABSTRACT:
A method for detecting fixed or moving objects within an angular zone, as may be used in vehicle anti-collision systems, employs separate and distinct transmission and reception patterns. The transmission pattern successively illuminates consecutive segments of the angular zone. The reception pattern receives echo signals in parallel from illuminated objects in each zone segment. The echo signals are then digitally beam formed into a total field signal. The angular positions of the detected objects are then derived from the total field signal.

REFERENCES:
patent: 4638321 (1987-01-01), Drogin
patent: 5008678 (1991-04-01), Herman
patent: 5396256 (1995-03-01), Chiba et al.
patent: 5448244 (1995-09-01), Komatsu et al.
M. I. Skolnik, "Introduction to Radar Systems", 2d ed, McGraw-Hill, USA, 1981 pp. 279-282.
R. G. Wiley, "Electronic Intelligence: . . . Radar Signals", 1985 ARTECH House, U.S-, pp. 87-101.

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