A watermarking method for text documents was presented using line and diagonal profile.

针对文本文件的特点，提出一种基于文本的行和对角侧面特性水印方法。

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A new type of adaptive PID controller using diagonal recurrent neural network (DRNN) is presented. An on-line learning algorithm based on PID parameter self-tuning method is given.

提出了一种基于对角回归神经网络的PID控制器结构，给出了PID参数在线自整定的学习控制算法。

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