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首页> 美国政府科技报告 >Evaluation of a Range of Target Blink Amplitudes for Attention-Getting Value in aSimulated Air Traffic Control Display
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Evaluation of a Range of Target Blink Amplitudes for Attention-Getting Value in aSimulated Air Traffic Control Display

机译：模拟空中交通管制显示中注意力获取值的目标闪烁幅度范围的评估

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Several sources suggest that blinking targets are more alerting than steadytargets. Those sources recommend target size, color, shape, brightness contrast, frequency of blink, and parameters for the ratio of time the blink should be 'on,' relative to the time it is 'off'. Ten participants located and selected the blinking information data blocks (targets) from 16 data blocks on a Simulated Air Traffic Control Display. Seven blink amplitudes, ranging from 12.5% to 100%, were evaluated. Error and response time performance were near optimum for conditions involving a 75% to 100% decrease in brightness. For the standard luminance (51.4 Cd/sq m), frequency (2 HZ), and duration (.10 sec) used in this experiment, a decrease in brightness of at least 75% was necessary for maximum attention-getting value of a blinking target.

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