project4

This file is the programs of (chapter 2) of book (Modeling the Wireless Propagation Channel a Simulation Approach with MATLAB) which is related to shadowing effects. It helps you to simulate wireless shadowing effects.

三位图像成像代码，内含成像代码和实例，仅供参考和交流学习(Three image image code, image code and examples included for reference purposes only, and exchange of learning)

Calculation of diffraction efficiency of sinusoidal grating.

说明：  锂电池soc估算，锂电池建模、锂电池管理(SOC estimation, modeling and management of lithium battery)

OFDM是wimax的关键技术，这个源代码就是wimax OFDM的详细实现。()

用LBM方法模拟圆柱绕流，模拟的结果和真实的结果很接近，LBM可以很好的模拟圆柱绕流问题(LBM simulation with the flow around a cylinder, the simulation results and actual results are close, LBM can be a good simulation of flow around a cylinder)

matlab程序用于计算光镊中的轴向力，开发者使用高超的matlab编程能力，是程序简洁易懂(matlab source program for calculating opitcal trap force.Programmer made use of his higher lever ability to create a simplified and easy to understand progfram. )

双谱线插值法程序，包含各种常见的窗函数，采样频率和点数可以自己设定。(The Double Line interpolation procedures, including a variety of common window function, sampling frequency and the number of points can be set.)

Matlab source code to simulate the spectrum and energy efficiency of LTE network

ＢＰ神经网络算法是在ＢＰ神经网络现有算法的基础上提出的，是通过任意选定一组权值，将给定的目标输出直接作为线性方程的代数和来建立线性方程组，解得待求权，不存在传统方法的局部极小及收敛速度慢的问题，且更易理解。(Back Propagation ａｒｔｉｆｉｃｉａｌ ｎｅｕｒａｌ ｎｅｔｗｏｒｋｓ)