Data processing: measuring – calibrating – or testing – Measurement system – Statistical measurement
Reexamination Certificate
2006-04-18
2006-04-18
Assouad, Patrick J. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Statistical measurement
C250S282000, C250S287000
Reexamination Certificate
active
07031877
ABSTRACT:
A spectroscopy instrument that uses spectra produced from random binary sequence modulated data. Statistical estimation techniques are used to achieve resolution enhancement, while properly accounting for the Poisson noise distribution and other artifacts introduced by a modulator or “chopper” or other system components. Indeed, a resolution similar to that of modern spectrometers can be achieved with a dramatic performance advantage over conventional, serial detection analyzers. Both static and dynamic behaviors are theoretically or measured experimentally accounted for in the model as determined. In one embodiment, the finite penetration of the field beyond the plane of the chopper leads to non-ideal chopper response, which is characterized in terms of an “energy corruption” effect and a lead or lag in the time at which the beam responds to the chopper potential.
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F.M., Fernández, et al., “Effect of Sequence Length, Sequence Frequency, and Data Acquisition Rate on the Performance of a Hadamard Transform Time-of Flight Mass Spectrometer,”J. Am. Soc. Mass. Spectrom., 12:1302-1311 (2001).
DeNoyer Linda K.
Frederick Brian G.
Jackson, III Robert H.
Kleban Peter H.
LeGore Lawrence J.
Assouad Patrick J.
Hamilton Brook Smith & Reynolds P.C.
Spectrum Square Associates, Inc.
Stillwater Scientific Instruments
University of Maine
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