ISSN 0439-755X
CN 11-1911/B

›› 1966, Vol. 10 ›› Issue (01): 73-80.

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SIGNAL DETECTION UNDER UNDERLOADING CONDITIONS

FENG KEN-CHUAN   

  • Published:1966-03-25 Online:1966-03-25

Abstract: Underloading is a situation in which the frequency of significant signals are very low.Signal detection was studied with intersignal intervals (ISI) varying from 1 to 90 minutesand with choice reactions (CR) varying from 2 to 8 signals. The main results were asfollows: 1. The phenomenon of "very long signal detection time" (over 20 sec. to 15 mi-nutes) under underloading conditions was observed. The probability of this phenomenonwas of a linear inclined function of ISI. As CR declined, the probability of the abovephenomenon also declined, but it could never be eliminated. 2. Under underloading conditions the logarithms of information transmissing werea linear declined function of ISI.

Key words: NULL