Signal processing apparatus

Details Signal processing apparatus Signal processing apparatus

G - Physics

01

N

354/30, 73/69

G01N 30/86 (2006.01) G06F 17/00 (2006.01)

Patent

CA 1187988

ABSTRACT OF THE DISCLOSURE Apparatus for processing the output signal of a gas chromatograph. An interface device receives the analog output signal and digitizes it, reducing the effects of noise and preparing the signal fox processing by a digital microprocessor. The microprocessor detects and measures peaks in the signal and determines the desired identification (in order of ascending molecular weight) and concentration (peak amplitude) data. A logarithmic output signal is produced for displaying output signals with wide dynamic ranges on a strip chart recorder.

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