Data processing: measuring – calibrating – or testing – Calibration or correction system – Signal frequency or phase correction
Reexamination Certificate
2007-01-30
2007-01-30
Tsai, Carol S.W. (Department: 2857)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Signal frequency or phase correction
C702S059000, C702S076000, C702S104000, C702S118000, C702S189000, C324S533000, C324S534000, C324S543000, C324S557000
Reexamination Certificate
active
11110394
ABSTRACT:
An algorithm is provided for a frequency domain reflectometer which takes into account both attenuation per unit length of transmission line and phase shift per unit length of transmission line in a modified Inverse Fourier Transform that converts a frequency domain complex reflection coefficient into a more accurate time domain reflection coefficient so that the distance to a fault can be readily determined.
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PCT International Search Report dated Jul. 5, 2006 of International Application No. PCT/US05/01336 filed Jan. 13, 2005.
BAE Systems Information and Electronic Systems Integration Inc.
Tendler Robert K.
Tsai Carol S.W.
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