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利用自制的ＣＣＤ调制传递函数测量系统，记录了线阵ＣＣＤ在对频率可连续变化的正弦光栅图样采样过程中，发生的混频现象。并对发生混频的区域进行了测量，测量结果与理论计算结果吻合。
The self-made CCD modulation transfer function measurement system was used to record the mixing phenomenon that occurred in the linear CCD sampling of sinusoidal grating pattern with continuously changing frequency. The area where the mixing occurs is measured, and the measured results agree well with the theoretical calculation.