毕业设计有用，计算加权加速度,插值与拟合，解方程，数据分析，现代信号处理中谱估计在matlab中的使用，能量熵的计算，实现了对10个数字音的识别，是一种双隐层反向传播神经网络，随机调制信号下的模拟ppm。- Graduation useful Weighted acceleration, Interpolation and fitting, solution of equations, data analysis, Modern signal processing used in the spectral estimation in matlab, Energy entropy calculation, To achieve the recognition of 10 digital sound, Is a two hidden layer back propagation neural network, Random ppm modulated analog signal unde.