Data processing: measuring – calibrating – or testing – Calibration or correction system – Signal frequency or phase correction
Reexamination Certificate
2007-11-20
2007-11-20
Ramos-Feliciano, Eliseo (Department: 2857)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Signal frequency or phase correction
C702S066000, C702S067000, C702S189000
Reexamination Certificate
active
11029050
ABSTRACT:
A method is disclosed to calibrate a system receiving an input signal and generating an output signal. The method provides an input signal, and generates an output signal. The method establishes a sampling rate comprising a reference frequency, samples the input signal at said sampling rate, and samples the output signal at the sampling rate. The method then forms a measured input signal waveform, forms a measured output signal waveform, determines at (P) harmonics of the reference frequency the real components and the imaginary components of the measured input signal waveform, forms a filtered input signal waveform, determines at (P) harmonics of the reference frequency the real components and imaginary components of the measured output signal waveform, and forms a filtered output signal waveform. The method then calculates a transfer function comprising the mathematical relationship between the filtered output signal waveform and the filtered input signal waveform, and forms a calibration curve using that transfer function.
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Chandler & Udall LLP
Huynh Phuong
Ramos-Feliciano Eliseo
Regelman Dale F.
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