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In order to improve the temperature measurement accuracy of infrared thermal imager, aiming at the influence of measuring distance on measurement accuracy, a method for reducing the influence of measuring distance is proposed in this paper. First, the three aspects influence principles containing angular field of infrared thermal imager, the contrast between tested object temperature and environmental...
In order to improve temperature measurement precision of the uncooled infrared thermal imager, aiming at the influence of the thermal imager internal radiation, a method is proposed based on voltage compensation in this paper. Firstly, combining the principle of uncooled infrared thermal imager, radiation of tested object is converted to voltage values, the voltage values are converted to grey value...
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