RADAR APPARATUS FOR DETERMINING RANGE TO AN AGITATED REFLECTIVE TARGET
Assignee
Filed
Nov 6, 1975
Granted
Feb 3, 1987
Location
PA US
Abstract
Improved non-cooperative radar apparatus locates and type-classifies an agitated, vibrating reflective target (e.g., a vehicle with its engine running) - whether the target is moving or stationary. A homodyne-type receiver with a cooperating band pass filter extracts a reflected, frequency-shifted energy pattern which identifies the incidence of the agitated target. In accordance with further aspects of the instant invention, the particular energy distribution for the returned, reflected wave is then compared with a stored ensemble of such distributions, or target "signatures", to type-catagorize the target.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 12, 1982
Rescinded
Dec 27, 1983
Duration
1 year, 9 months
Inventor
- 1CHARLES L. OPITZ
Record Details
- Patent number
- US 4641137
- Application
- 05629211
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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