针对传统的两点校正法准确度不高的缺点，提出一种二点多段线性校正的改进算法。
According to the disadvantage of low accuracy in the traditional two -point correction method, a new improved algorithm of two -point multi -section correction is presented.
文中讨论了两点校正法，并分别提出了利用查找表法和用CPLD实现焦平面探测器非均匀性校正的方案。
In this paper, the two points correction method is discussed, and then the designs of non-uniformity correction for IRFPA using function table and CPLD separately are presented.
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