Title:
SYSTEM AND METHOD OF RADAR DETECTION OF NON LINEAR INTERFACES
Document Type and Number:
WIPO Patent Application WO2002039140
Kind Code:
A3
Abstract:
A harmonic radar nonlinear junction detector system for detecting concealed weapons, electronics, and other man-made objects utilizing state-of-the art wireless technology, circuit fabrication, signal synthesis, and computer processing techniques to detect and characterize man-made objects possessing nonlinear junctions. The system transmits a pair of low power waveforms and a receiver within the system is coherently tuned to harmonics of the transmitted frequencies of the waveforms to detect man-made metal objects and electronics that contain non-linear junctions. The receiver is also capable of receiving inter-modulation products reflected from the man-made objects that are a result of using two incident signals. The system uses two signal sources generating user-definable waveforms of variable frequencies in order to provide enhanced discrimination and target identification abilities via the processing of returned inter-modulation products.
More Like This:
Inventors:
JABLONSKI DANIEL G (US)
KO HARVEY W (US)
OURSLER DOUGLAS A (US)
SMITH DEXTER G (US)
WHITE DAVID M (US)
KO HARVEY W (US)
OURSLER DOUGLAS A (US)
SMITH DEXTER G (US)
WHITE DAVID M (US)
Application Number:
PCT/US2001/029676
Publication Date:
May 01, 2003
Filing Date:
September 21, 2001
Export Citation:
Assignee:
UNIV JOHNS HOPKINS (US)
JABLONSKI DANIEL G (US)
KO HARVEY W (US)
OURSLER DOUGLAS A (US)
SMITH DEXTER G (US)
WHITE DAVID M (US)
JABLONSKI DANIEL G (US)
KO HARVEY W (US)
OURSLER DOUGLAS A (US)
SMITH DEXTER G (US)
WHITE DAVID M (US)
International Classes:
G01N22/00; G01S7/41; G01S13/34; G01S17/87; (IPC1-7): G01S7/41; G01S13/04; G01S13/32; G01V3/12
Foreign References:
| DE2732465A1 | 1979-05-17 | |||
| US5557283A | 1996-09-17 | |||
| GB2351154A | 2000-12-20 | |||
| EP0812028A2 | 1997-12-10 |
Download PDF: