nhtsa 中文意思是什麼

nhtsa 解釋
國家高速公路交通安全署
  1. Perclos is the percentage of eyelid closure over the pupil over time and reflects slow eyelid closures ( " droops " ) rather than blinks. fwha and nhtsa consider perclos to be among the most promising known real - time measures of alertness for in - vehicle drowsiness - detection systems. in order to detecting and evaluating driver fatigue, the definition of motor driver fatigue must be given

    重點研究了眼睛及其疲勞機理,借鑒美國聯邦公路管理局fhwa ( federalhighwayadministration )有關研究駕駛疲勞方面的研究文獻,討論了perclos和其他眼睛活動測量方法的有效性,確認測量機動車駕駛疲勞最好的方法是perclos (單位時間內眼睛閉合時間所佔的百分率) 。
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