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介绍一种新的基于神经网络的旋转不变性目标识别方法。不变性特征是图象小波变换所得的模值。网络是采用ＢＰ算法的３层前馈网络，实验表明该方法具有良好的效果。
A new rotation invariant target recognition method based on neural network is introduced. The invariance feature is the modulus of the image wavelet transform. The network is a 3-layer feedforward network using BP algorithm. Experiments show that this method has a good effect.