Signal processing method for nuclear spectrometers

Details Signal processing method for nuclear spectrometers Signal processing method for nuclear spectrometers

1988-12-20

1991-04-02

Tarcza, Thomas H.

Boots, shoes, and leggings

364575, 364572, 2503361, 250305, G06G 712, G01J 100

Patent

active

050051466

ABSTRACT:
The invention relates to a signal processing method and apparatus for nuclear spectrometers, whereby the peaking time is set, which is optimal from the point of view of the signal-to-noise ratio, where in case of an input signal of staircase shape modulated with noise, the so called base-line filtering interval preceeding the actual signal and the signal filtering interval following the actual signal are chosen so that their widths are equal to the width of the optimal peaking time (T.sub.p), the momentary value measured in the base-line filtering interval (A.sub.i) is subtracted from the momentary value measured in the signal filtering interval (J.sub.i), where said momentary values (A.sub.i and J.sub.i) are measured in the time scale symmetrically with regard to the rising edge of the signal, and the differences (J.sub.i -A.sub.i) are summed with weighting factors (W.sub.i).

REFERENCES:
patent: 3622765 (1969-06-01), Anderson
patent: 3626168 (1969-07-01), Norsworthy
patent: 4050025 (1977-09-01), Gerber
Markham et al., "A Pulse Height Resolution Meter", Nuclear Instruments and Methods 128, 1975, pp. 179-181.

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