This paper introduces a two-paralleled H-bridge topology and proposes a digital feed forward control scheme for the gradient amplifier.

本文介绍一种基于双h桥并联结构的梯度放大器的电路拓扑，并提出一种数字前馈控制算法。

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A binarization method for digital camerabased document image was proposed. The method is a combination of the global thresholding, local thresholding and the gray gradient method.

提出了一种数码相机拍摄的文本图像的二值化方法，该方法是全局阈值、局部阈值与灰度梯度方法的结合。

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An edge detecting method for digital image is proposed using direction information of the gradient to thin off the differential image and defining a measuring function to link the edge points.

本文提出了一种利用梯度的方向信息，对微分图象进行细化，并确定一测量函数进行边缘点连接，以实现图象边缘检测的方法。

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