G - Physics – 01 – T
Patent
G - Physics
01
T
354/21, 358/6
G01T 1/02 (2006.01) G01B 15/02 (2006.01)
Patent
CA 1077625
PATENT APPLICATION For "DYNAMIC LINEARIZATION SYSTEM FOR A RADIATION GAUGE" By Joseph A. Panarello ABSTRACT OF THE DISCLOSURE The disclosed linearization system and process converts a high resolution non-linear analog input signal, representative of the thickness of an object, into a high resolution linear analog output signal suitable for use in driving a variety of out- put devices. The system requires only a small amount of memory for storing pre-calculated non-linear correction coefficients. Prior art linearization systems typically require large memory configurations and/or powerful computers to develop the output signal from the non-linear input. The known systems do not take advantage of the high resolution inherent in the input signal. The disclosed system "channels" the input signal to separate circuit paths so that it may be used directly to; (1) locate an appropriate correction coefficient; (2) develop a correction term after an appropriate correction coefficient is located ; and (3) develop a linearized signal having the same high resolution inherent in the input signal. Finally, the disclosed system processes the linearized signal to compensate for the possible errors introduced by radiation source noise. The processed linearized signal is the high resolution linear analog output signal which accurately represents the thickness of the object being gauged.
292909
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