UNAMBIGUOUS RANGE-DOPPLER PROCESSING METHOD AND SYSTEM
Assignee
UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE UNITED STATES AIR FORCE
Filed
Nov 17, 1992
Granted
Aug 12, 1997
Location
Arlington VA (defense contractors)
Abstract
Range-Doppler ambiguity is eliminated from an ultra-wideband radar system by transmitting an ultra-wideband chirped pulse towards a moving target, and mixing it with the doppler-shifted chirped pulse which is received as a target echo return signal. Multioctave radar tracing systems can potentiality track stealth aircraft without ambiguity since pulses containing many frequencies can defeat narrow-band radar absorbing material coatings. The unambiguous range-doppler signal processing method mixes the chirped pulse to yield an instantaneous Doppler frequency (which indicates target velocity) and a rate of change in the instantaneous Doppler frequency (which indicates target acceleration).
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Feb 17, 1993
Rescinded
Oct 3, 1996
Duration
3 years, 7 months
Inventor
- 1PAUL VAN ETTEN
Sensitive facility: Arlington VA (defense contractors)
Record Details
- Patent number
- US 5657022
- Application
- 07985071
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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