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采用ICCD作为传感器,用比色法检测温度场,可以快速获得全面信息,达到实时检测及控制的目的.然而由于ICCD的响应动态范围有限,测温范围受到限制.提出采用几个不同的曝光时间连续分区测量温度场的方法,以扩大检测温度范围.首先介绍ICCD双色热图象温度场实时检测原理,然后着重从理论上讨论分区测温原则和方法,并用实验方法进行核对,证明理论与实验结果相符.
Using ICCD as sensor, colorimetric detection of temperature field can quickly obtain comprehensive information to achieve the purpose of real-time detection and control.However, due to the limited dynamic range of ICCD, the temperature measurement range is limited.There are several different exposure time Continuous partitioning method to measure the temperature field in order to expand the detection temperature range.Firstly, the real-time detection principle of ICCD two-color thermal image temperature field is introduced, and then the principle and method of temperature measurement in district are emphasized and verified by experimental methods, The result is consistent.