Rosar method for landing helicopters under adverse weather conditions and for recognizing and detecting concealed targets

US6515613B2 · kind B2 · utility

Assignee

• EADS Deutschland GmbH · DE

Inventors

• Helmut Klausing · Lingen (Ems), DE
• Horst Kaltschmidt · Neubiberg, DE

Key dates

• Filing date: Jan 18, 2002
• Grant date: Feb 4, 2003
• Expiry date: Jan 18, 2022

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S13/9082
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

In a method for operating a rotating synthetic aperture radar system that works with pulse frequency or in FM-CW operation in order to detect, penetrate and evaluate objects that are located vertically below the helicopter carrying the ROSAR device, pixels are determined using their own specific doppler histories.