HELICOPTER RECOGNITION RADAR PROCESSOR
Assignee
Hughes Aircraft
Filed as: HUGHES AIRCRAFT COMPANY
Filed
Dec 19, 1985
Granted
Dec 27, 1994
Location
El Segundo CA (Aerospace Corp/TRW)
Abstract
A radar processor is disclosed for processing the radar return samples from a Doppler radar receiver to discriminate helicopter targets from fixed-wing targets. The samples are passed through a helicopter filter which eliminates the target skin Doppler return, and passed the sidebands about the target skin return which are due to the helicopter rotor hub modulation. The coefficients of the helicopter filter are selected to maximize the signal-to-noise ratio. The radar processor requires only a few milliseconds on target for reliable detection and can, therefore, be easily implemented by scanning surveillance systems.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Apr 11, 1986
Rescinded
Apr 15, 1994
Duration
8 years
Inventor
- 1THEAGENIS J. ABATZOGLOU
Sensitive facility: El Segundo CA (Aerospace Corp/TRW)
Record Details
- Patent number
- US 5376940
- Application
- 06811599
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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