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中文摘要：
结合红外焦平面阵列（Infrared Focal Plane Array，IRFPA）非均匀性校正的工程实际，设计了基于函数拟合的校正算法，采用大容量高速现场可编程门阵列（Field Programmable Gate Array，FPGA）器件，实现了该非均匀性校正系统，它能有效适应红外焦平面阵列器件响应特性的大动态范围和非线性，具有体积小、运算速度快和校正准确度高等优点．
英文摘要：
Upon considering the engineering practice of the nonuniformity correction of infrared focal plane array （IRFPA）, a correction algorithm based on function fitting is designed. The nonuniformity correction system of IRFPA is realized by using large-capacity high-speed field programmable gate array （FPGA） device. The system can effectively adapt to the broad dynamic range and non-linearity of response characteristic of IRFPA with some advantages such as small size, fast speed and high correction precision.
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