Detection of Complex Signals as a Function of Signal Bandwidth and Duration
作者:
C. Douglas Creelman,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1961)
卷期:
Volume 33,
issue 1
页码: 89-94
ISSN:0001-4966
年代: 1961
DOI:10.1121/1.1908415
出版商: Acoustical Society of America
数据来源: AIP
摘要:
A study is reported which examined the efficiency of human observers in the detection of a stimulus waveform which is a train of damped sinusoids. The signal duration and degree of damping (or spectral bandwidth) were varied, with the energy of the signal held constant. Increased bandwidth is shown to decrease detection of relatively long duration signals. A negligible effect of bandwidth was found for short durations. Detection of an amplitude difference, in contrast to detection of the presence of weak signal in noise, is shown to be relatively unaffected either by signal duration or bandwidth over the range of values studied.
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