ISSN 0439-755X
CN 11-1911/B
主办：中国心理学会
　　　中国科学院心理研究所
出版：科学出版社

心理学报 ›› 1965, Vol. 9 ›› Issue (4): 44-52. cstr: 32110.14.1965.00044

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有光坪条件下同时性闪光信号的频率辨别阈限

李家治 ;王緝志   

  • 发布日期:1965-12-25 出版日期:1965-12-25

THE FREQUENCY DISCRIMINATION THRESHOLDS OF SIMULTANEOUS FLASH SIGNALS COMPOSED OF ALTERNATIVE BRIGHT AND DIM PHASES

LI CHIA-CHIH, WANG TSI-CHIH   

  • Online:1965-12-25 Published:1965-12-25

摘要： <正> 問題 关于光坪对闪光信号辨认的影响,我们已做过一些研究。在光坪对同时性闪光信号辨认的影响的研究结果表明,光坪对两个同时性闪光信号的似动现象有消減作用,这就为在特定条件下使用两个或更多的同时性闪光信号提供了可能性。为了便于应用,有必要测定在有光坪的条件下两个同时性闪光信号的频率辨別阈限,并寻出当要求辨别准确性达95％以上时两个同时性闪光信号的频率差。

关键词: NULL

Abstract: The frequency discrimination thresholds of simultaneous flash signals composed of alternative bright and dim phases were measured under laboratory conditions. When the frequency of flash signals falls within the range of 40 c/min to 220 c/min the discrimination threshold follows Weber's law, expressed by the equation △f=0.17f+9.95. Five frequencies with discrimination accuracy above 95% were determined. They are: 44.2/110.8, 60.0/150.3, 81.5/204.7, 110.8/277.8, 150.5/377.2 (unit: c/min).

Key words: NULL