The paper introduces the principle of BP neural network, analyses the way to compensate and draws a conclusion:the method has high precision and is actually effective.

本文介绍了BP神经网络的基本原理，论述了线性双折射效应的具体补偿方法，结果表明该方法具有精度高和简便实用的特点，从而是行之有效的。

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Then it introduces the basic principle of BP neural network, topology structure, and the mapping relationship, analyses the training algorithm of BP neural network and its ideas.

然后介绍了BP神经网络的基本原理，拓扑结构和映射关系；分析了BP神经网络的训练算法及算法构成思想。

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Based on the application of artificial neural network principle, this paper presents a BP artificial neural network model for aeromagnetic information connection.

应用人工神经网络方法，以航磁数据为样本，建立了航磁信息关联的BP人工神经网络模型。

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