hw1

说明：  MATLAB的CDMA仿真(MATLAB simulation of CDMA)

A hexagonal cell within a 4-cell system has a radius of 1.387 km. A total of 60 channels are used within the entire system. If the load per user is 0.029 Erlangs, and  = 1 cal1/hour, compute the following for an Erlang C system with a Gos of 5 :

This homework ask students to use the cmd in matlab commands so that they can use coders perfectly

通过修改输入excel文件中的铺层信息及材料属性，计算层合板的等效模量及极限强度，并绘制应力沿厚度方向的分布图(The equivalent modulus and ultimate strength of the laminates are calculated by modifying the information and material properties of the laminates inputted into excel files, and the stress distribution along the thickness direction is plotted.)

这部分包括KL变换、沃尔什-哈达玛变换、Hough变换等(This section includes the KL transform, Walsh- Hadamard transform, Hough transform, etc.)

matlab code for envelope detector for analog communications.

Book analyse numérique

说明：  MCU控制BUCK-BOOST电路时电压反馈的解决-技术文章-模拟与电源技术(Solution of Voltage Feedback in MCU Controlling BUCK-BOOST Circuit-Technical Article-Analog and Power Supply Technology)

this code helps to find the answer through newtons interpolation method

无损检测中结合时间反转的music成像算法。通过格林函数构造传递函数，对换能器所得散射信号进行处理，对损伤位置（二次波源）进行成像。(Detection music imaging algorithm combines time-reversed lossless. Passing through Green Constructor, transducer signal processing resulting scattering of damage location (secondary wave source) for imaging.)