DCT

AR自回归模型，主要介绍时间序列分析中重要的一个模型。(AR autoregression model, time series analysis introduces an important model.)

通信系统仿真的星座图的画法问题，qpsk的仿真，图像很准确(Communication System Simulation constellation of painting issues, qpsk simulation, the image is very accurate and)

it is useful for computing the co occurrence calculation for texture image

diode clamp inverter one leg operation basic stucture implimanted in matal/simulink2010@b

说明：  移动通信信道建模与仿真 1．验证实验原理中所述的相关程序，CLARK, Jakes(Rayleigh.m) 信道模型。 2．验证QPSK调制信号经根升余弦滚降成形滤波之后在瑞利衰落信道下系统误比特和误符号性能，实现参考程序ex11main.m，ex11.mdl。(Modeling and Simulation of mobile communication channel)

it will help in tranforming signals....,

麻省理工学院的matlab教程，应该很给力吧，还比较详细(MIT matlab tutorial, it should be to force it, but also more detailed)

采用巴特沃斯函数，构造低通滤波器，实现信号的低通滤波(lowpass filter)

钻井船悬臂梁loadchart计算 ,计算悬臂梁升出船体所能承受的井心与立根盒的最大载荷。(Calculate the cantilever rigs loadchart)

使用FR共轭梯度法求解无约束问题 输入包括初始点，目标函数和梯度 输出包括最优点和最优解，还有迭代次数(Use FR conjugate gradient method for solving unconstrained problems including initial entry points, the objective function and the gradient of the output, including the advantages and the most optimal solution, as well as the number of iterations)