cdma_codec

说明：  这是一段MATLAB学习的源程序，相信会对你有用( This is a section of MATLAB study source program, the trust can be useful to you)

a program which implements a finite difference solution, explicit in time, of the time dependent 1D heat equation

风速剖面指数拟合的matlab程序，可获得风剖面指数。(Winds sectional exponential fitting matlab program, available wind profile exponent.)

三维曲线曲面比较演示系统程序设计 设计一个图形用户界面（GUI）演示常见的三维函数图形，至少包含“三维绘图” 、“选项” 、“退出”等菜单，三维绘图的包括：参数方程x=e-t/20cos(t), y= e-t/20sin(t),z=t其中t 为0到2π、参数方程x=t,y=t2,z=t3其中t为0到1之间（在同一图形界面中分别绘制它们的三维曲面和三维曲线图）。“选项”菜单主要包括：网格开关，图例开关，坐标边框开关，色度空间选择菜单，曲线颜色菜单。(Comparison of three-dimensional curves and surfaces demonstration system design to design a graphical user interface (GUI) presentation function common three-dimensional graphics, at least three-dimensional graphics, options , Exit menu, etc., three-dimensional graphics, including: parameters of equation x = et/20cos (t), y = et/20sin (t), z = t one of t from 0 to 2π, parametric equation x = t, y = t2, z = t3 which t is between 0-1 (in the same graphical interface, respectively, three-dimensional mapping of their surface and three-dimensional curves). Options menu includes: grid switches, legend switches, coordinate frame switch, color space selection menu, menu color curve.)

有关于相位，频率，等数字调制技术识别的MATLAB代码，(Have on the phase, frequency, and other digital modulation techniques to identify the MATLAB code,)

Caller ID detection DTMF format

在matlab中实现直方图均衡化操作及直方图匹配操作，自编代码实现运算(Histogram equalization and histogram match.)

对通信信号进行时频分析比较有用的matlab代码(A useful matlab code for time-frequency analysis of communication signals)

说明：  换热器模型的MATLAB实现，可用于工程计算，还可以用于教学演示(exchanger MATLAB model can be used for engineering calculations, can also be used for teaching demonstration)

雷达系统仿真的第一单元仿真程序，程序为原版书籍的程序，注释为英文(Radar system simulation unit simulation program, the procedures of the program as the original books, comments in English)