Forward looking radar

Details Forward looking radar Forward looking radar

1991-03-07

1992-07-21

Hellner, Mark

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

Synthetic aperture radar

G01S 1300

Patent

active

051326868

ABSTRACT:
In a forward looking radar in which from flying or stationary carriers land or marine surfaces in a forward lying sector region are imaged two-dimensionally, an antenna mounted rigidly on a carrier is made up of a plurality of individual elements preferably in the form of horn antennas arranged rectilinearly in a row adjacent each other in such a manner that for a predetermined aperture length l of each individual element and for a predetermined spacing of the individual elements the antenna has an antenna length L=n.multidot.l. The transmission is incoherent from a single element and thereafter simultaneous reception is effected with the remaining individual elements. To implement a digital coupling of the individual elements each said element is evaluated separately digitally and by correlation of a specific predetermined reference function a digital processing is carried out for each angular region.

REFERENCES:
patent: 4675677 (1987-06-01), von Maydell et al.
DFVLR-FB 85-54, Archimedes Project: "Remote Sensing of Oil Spills North Sea Experiment 1983", Report on DFVLR-SLAR Contribution.
Proceedings of IGARSS'86 Symposium Zuerich, Sep. 8-11, 1986; "Oil Slick Detection with a Sidelooking Airborne Radar".

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