TD-SCDMAthirdgeneration

合成孔径雷达成像RD算法，实现三个点目标的成像(SAR imaging based on RD,finish three points imaging.)

基于MATLAB的数字水印嵌入方法的实现以及相关操作(MATLAB-based digital watermark embedding method and related operations to achieve)

说明：  implementing DF at the relay node

变换编码的matlab实现，主要有DCT编码等(Matlab implementation Transform Coding )

关于数值课本中的插值与逼近程序，采用matlab编程，主要适应现在广泛使用的数值教材(On the value of textbooks in interpolation and approximation procedures, the use of Matlab programming, mainly to adapt to the now widely used numerical example)

绘制三维图,绘制三维网格图,并在xoy平面绘制相应的等高线,绘制三维网格图，并在网格图周围绘制垂直水平面的参考平面,用surf绘制高斯分布函数的曲面图,利用peaks函数产生的数据绘制其带状图,绘制空间立体的切片图,绘制三维瀑布图 ,绘制等值线图,绘制球面图(Draw a three-dimensional map, draw a three-dimensional grid map and draw the corresponding contour xoy plane, draw a three-dimensional grid map drawn perpendicular to the horizontal reference plane, and around the grid chart, draw a Gaussian distribution function of the surface plot with surf the peaks function generated data to draw the strip chart, draw space dimensional slice chart, draw three-dimensional waterfall, draw a contour map, draw the diagram of spherical)

求解接触刚度，用经典的Hertz方法求解理想情况下 刚度随载荷变化的关系(contact stiffness)

说明：  对心音信号进行BT功率谱估计及切比雪夫1滤波的matlab程序，可粗略提取心音频率(PSD BT chey1 matlab)

Matlab中使用动态规划解决数学建模中的花瓶问题，即有限制条件的寻优过程(Applied Dynamic programming to solve the problem of bottles)

说明：  利用ABC(人工分群算法)求解数值计算问题。(ABC (artificial clustering algorithm) is used to solve numerical problems.)