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Sien-Chang C. Liu
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Brea, CA, US
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last 30 patents
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Patent Grant
Adaptive doppler filter re-optimization method for pulsed interfere...
Patent number
9,857,454
Issue date
Jan 2, 2018
Raytheon Command and Control Solutions LLC
Sien-Chang C. Liu
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus for a self-calibrated signal injection setup...
Patent number
9,360,549
Issue date
Jun 7, 2016
Thales-Raytheon Systems Company LLC
Sien-Chang C. Liu
G01 - MEASURING TESTING
Information
Patent Grant
Calibration probe motion detector
Patent number
6,768,455
Issue date
Jul 27, 2004
The Boeing Company
Paul C. Werntz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wideband and wide angle sidelobe cancellation technique
Patent number
5,652,591
Issue date
Jul 29, 1997
Sien-chang Charles Liu
G01 - MEASURING TESTING
Information
Patent Grant
False track discrimination in the sidelobe region of a monopulse an...
Patent number
5,400,035
Issue date
Mar 21, 1995
Hughes Aircraft Company
Sien-Chang C. Liu
G01 - MEASURING TESTING
Information
Patent Grant
Built-in system for antenna calibration, performance monitoring and...
Patent number
5,253,188
Issue date
Oct 12, 1993
Hughes Aircraft Company
Kuan M. Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for testing phase shifter modules of a phased...
Patent number
5,081,460
Issue date
Jan 14, 1992
Hughes Aircraft Company
Sien-Chang C. Liu
G01 - MEASURING TESTING