07_03

给定一个三次方程,改进的Newton法求解,并研究各种算法的收敛阶数.(Given a cubic equation, improved Newton method and to study the convergence of various algorithms order.)

matlab的功能简介以及用法，可以很快的了解和掌握这个工具的用法。(matlab function profile, as well as usage.)

几个经典的matlab device例子，很好用，值得学习的。(matlab device)

DOA estimation with ESPRIT algorithm

说明：  matlab实现的DS证据理论代码简单实现，加了一些注释，适用于独立的单一命题。(function for D-S)

decimal to binery converter

机械齿轮的参数优化，设计一直齿圆柱齿轮传动, 已知其齿数比u= 4, 小轮轴 扭矩T 1= 100N. m, 单向传动, 润滑良好, 非对称布置, 两齿 轮材料 小齿轮40Cr, 调质, 齿面硬度HB= 250~ 280, [ RH ] 1 = 630MPa, [ RF ] 1= 288MPa 大齿轮45 钢, 调质, 齿面硬度 HB= 220~ 250, [ RH ] 2= 550MPa, [ RF ] 2= 204MPa, 取载荷系 数K = 1. 28。(Parameter optimization of the mechanical gear design has been Cylindrical Gear, known gear ratio u = 4, small axle torque T 1 = 100N m, one-way transmission, well-oiled, non-symmetrical arrangement of the materials of the two gears pinion 40Cr quenched and tempered tooth surface hardness HB = 250 ~~ 280 [RH] 1 = 630 MPa [RF] 1 = 288MPa large gear 45 steel, quenched and tempered tooth surface hardness HB = 220 to 250, [RH] = 550MPa , [RF] 2 = 204MPa, to take load factor K = 1 28.)

语音信号滤波器的改进，主要是以切比雪夫滤波器为基础，对去噪功能的处理。(The improvement of speech signal filter, mainly based on chebyshev filter, handling of denoising function. )

对图片做二维dct变换，每一小块为8*8(Do the 2-D DCT transform , every piece of 8*8)

建立一个径向基神经网络，对非线性函数y=sqrt(x)进行逼近，并作出网络的逼近误差(The establishment of a radial basis function neural network, the nonlinear function y = sqrt (x) to approximate, and make the network approximation error)