目前基于TDI 方式的电子像移补偿方法中曝光期间电荷包以行为步长进行转移，使电荷包移动和像移之间存在较大的非同步效应，降低了补偿效果。为了提高像移补偿效果，首先分析了目前基于TDI 方式的电子像移补偿方法中电荷包移动的离散性对补偿效果的影响，提出了一种改进的电子像移补偿方法，从而可以大大减小电荷包和像移之间存在的非同步效应，对比两种方法调制度，从理论上证明了其对补偿效果的提高作用。给出了改进式的电子式像移补偿方法的驱动时序图，通过室内模拟不同像移补偿实验进行了两种方法的验证，分别比较采用两种像移补偿方法图像的清晰度。结果表明，改进式电子像移补偿法图像调制度平均值47/96大于传统像移补偿法图像调制度平均值1/3，改进式像移补偿法图像清晰度平均值为0.550 2大于传统像移补偿法图像清晰度平均值0.475 3。可以看出，改进式的像移补偿方法相对于传统TDI像移补偿方法,效果明显改善。

Currently in the electronic image motion compensation method based on TDI, charge packets were transferred to conduct step during the exposure, which made the electric purse move and there is a large non-synchronized effect between the image motion. This reduced the compensation effect. In order to increase the compensation effect, effects of the charge packets discretion on the compensation effect in the image motion compensation method based on TDI was analyzed, and an improved electronic image motion compensation method was proposed, which reduced greatly the asynchronous effect between the electric purse and image motion. The modulation of the two methods were compared, which theoretically proved the enhancing role of the compensation effect. The drive timing chart of the improved type of electronic image motion compensation method was advanced. The two methods were verified by imitating different image motion compensation experiment indoor.The image modulation mean of improved electronic image motion compensation method is 47/96, more than the traditional image motion compensation method which is 1/3. The image sharpness of improved electronic image motion compensation method which is 0.550 2, more than traditional image motion compensation method which is 0.475 3. It was shown that the improved electronic image motion compensation method is better than traditional image motion compensation method.