Compensating for temporal drift of fixed-pattern noise is an important problem in the techniques for nonuniformity correction of infrared focal plane arrays.

补偿固定噪声的时间漂移是红外焦平面非均匀校正技术中面临的一个重要问题。

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The diagram does not consider additional constraints: decreased resolution due to diffraction and increased susceptibility to fixed pattern noise with longer exposures.

图表没有考虑其他限制因素：衍射造成的低分辨率，长时间曝光带来的对固定图形噪声的敏感性。

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A column readout circuit to reduce fixed pattern noise (FPN) for CMOS active pixel sensor images is presented.

针对CMOS有源像素传感器，提出一种降低固定模式噪声(FPN)的列读出电路。

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