实现了对10个数字音的识别，基于人工神经网络的常用数字信号调制，是小学期课程设计的题目，从先验概率中采样，计算权重，IDW距离反比加权方法。- To achieve the recognition of 10 digital sound, The commonly used digital signal modulation based on artificial neural network, Is the topic of the elementary school stage curric