Communications: directive radio wave systems and devices (e.g. – With particular circuit – Digital processing
Patent
1997-08-15
1999-10-05
Lobo, Ian J.
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
Digital processing
342 13, G01S 736
Patent
active
059631643
ABSTRACT:
A broadband gigahertz frequency range radio receiver useful in electronic warfare and other applications for incoming signal detection and identification purposes. The receiver is based on Fourier transform examination of incoming signal characteristics and provides real time accomplishment of these tasks by way of using a simplified one-bit digital representation of the incoming signals and a resulting reduction of the computational load associated with the Fourier transform operation. The receiver precedes the Fourier transform operation with signal processing which may include, for example, a limiting amplifier and two bandpass filters. Two incoming signal accommodation is provided, a characteristic which is particularly improved over the characteristics of popular presently used receivers in this field.
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patent: 5793323 (1998-08-01), Tsui
Kaneshiro David H.
Schamus John J.
Tsui James B.Y.
Hollins Gerald B.
Kundert Thomas L.
Lobo Ian J.
The United States of America as represented by the Secretary of
Tollefson Gina S.
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