探测器温度对非制冷红外热像仪人体测温的影响与修正
发布时间：2018-09-03 14:30
【摘要】：非制冷红外焦平面热像仪用于人体测温时,需要红外热像仪具有较高的测温精度。而针对非制冷红外热像仪,随着环境温度以及吸收红外辐射的增加,将会产生较为严重的温度漂移现象,这会影响到红外探测器的响应特性,从而导致测温精度受到一定的影响。为了消除这一影响,提出了一种新的校准方法,该方法可以实现探测器温度在10℃~50℃之间变化时对非制冷红外热像仪的高精度校准。同时,对该校准方法的效果进行实验验证。结果表明:经过校准后的红外热像仪,探测器温度漂移对测温精度的影响明显降低。
[Abstract]:When uncooled infrared focal plane thermal imager is used for human body temperature measurement, it is necessary for infrared thermal imager to have high temperature measurement accuracy. For the uncooled infrared thermal imager, with the increase of ambient temperature and absorption of infrared radiation, there will be a more serious temperature drift phenomenon, which will affect the response characteristics of the infrared detector. As a result, the accuracy of temperature measurement is affected to a certain extent. In order to eliminate this influence, a new calibration method is proposed, which can achieve high precision calibration of uncooled infrared thermal imager when the detector temperature varies from 10 鈩，
本文编号：2220243
[Abstract]:When uncooled infrared focal plane thermal imager is used for human body temperature measurement, it is necessary for infrared thermal imager to have high temperature measurement accuracy. For the uncooled infrared thermal imager, with the increase of ambient temperature and absorption of infrared radiation, there will be a more serious temperature drift phenomenon, which will affect the response characteristics of the infrared detector. As a result, the accuracy of temperature measurement is affected to a certain extent. In order to eliminate this influence, a new calibration method is proposed, which can achieve high precision calibration of uncooled infrared thermal imager when the detector temperature varies from 10 鈩，
本文编号：2220243
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