System for the suppression of noise and its variations for the d

Details System for the suppression of noise and its variations for the d System for the suppression of noise and its variations for the d

1986-03-31

1989-06-06

Lall, Parshotam S.

Boots, shoes, and leggings

36472409, 3647241, 328165, 378210, G01T 116

Patent

active

048377201

ABSTRACT:
A system for the suppression of noise and its variations for the detection of a pure signal in a measured noisy discrete signal. The system measures a counting rate N.sub.2 in a signal channel and a counting rate N.sub.3 in a reference channel, evaluates the estimation value .lambda..sub.E of the ratio .lambda. between the mean noise levels in the channels and evaluates the associated false detection probability I as a function of (N.sub.2, N.sub.3 .lambda..sub.E). The system then performs a comparison of I with at least one information threshold I.sub.m, each associated with a predetermined false detection level. Comparison can take place indirectly on a function of the probability and can use tabulated values. The system has particular application to the detection of corpuscular radiation.

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JOURNAL NUCLEONICS, Aug. 1966, vol. 24, No. 8, pp. 118-121.
HEALTH PHYSICS, Jan. 1977, vol. 32, No. 1, pp. 1-14.
NUCLEAR INSTRUMENTS AND METHODS, Mar. 1983, vol. 206, No. 3, pp. 501-506.

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