The results validate more validity of nonlinear error correction model on the wavelet neural network than linear vector autoregressive model, and forecast validly the nonlinear economy system.

研究证明，小波神经网络所建立的非线性误差校正模型有较好的预测效果，能够有效地预测非线性经济系统。

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The paper proposes a new concept; input pattern error. On the basis of this concept, precise tracking can be realized after the correction design of optimal control of linear quadratic form is made.

提出了输入方式误差的新概念。以它为基础，对线性二次型最优控制问题进行修正设计后，可实现精密跟踪。

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BCH codes are a subset of the class of linear block codes that have good error correction capability. Information hiding is a new technique in information security field.

BCH纠错编码是线性分组码的一种，有较好的纠错能力，信息隐藏是近年来信息安全领域出现的新技术。

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