技术分析-指标计算与绘图

对于无线通信中常见的多径效应进行仿真，此次仿真基于两径信道，给出了两径信道的误码率仿真(simulation of the two_path channel)

本matlab源代码功能是用有限元方法来解决在统一的横向压力下的薄板弯曲问题。(Bending of thin plate under uniform transverse pressure is solved using Finite Element Method)

鉴于智能驾驶技术的发展，研究一种对直线路径可以进行较好的跟踪的方法(The line path can be tracked well)

说明：  获取图像的LBP特征：对图像的原始LBP模式、等价LBP模式、旋转不变LBP模式，以及等价旋转不变LBP模式的LBP特征进行提取以及显示(Obtaining LBP features of images: extracting and displaying the original LBP pattern, equivalent LBP pattern, rotation invariant LBP pattern and equivalent rotation invariant LBP pattern of images)

说明：  拓扑优化（topology optimization）是一种根据给定的负载情况、约束条件和性能指标，在给定的区域内对材料分布进行优化的数学方法，是结构优化的一种。该程序基于matlab，提供求解约束优化问题的方法(Topology optimization is a mathematical method to optimize material distribution in a given area according to given load conditions, constraints and performance indicators. It is also a structural optimization method. The program is based on MATLAB and provides a method for solving constrained optimization problems.)

短时傅里叶变换的matlab代码，可以用来测试短时傅里叶变换(Matlab code, and short time Fourier transform can be used to test the short-time Fourier transform)

视频分析方法中的平滑伪Wigner-Ville分布等效于对WVD的结果在时域和频域分别进行一次平滑滤波，有效抑制交叉干扰。(Video analysis methods smoothed pseudo Wigner-Ville distribution is equivalent to the result of the WVD smoothing once were in the time domain and frequency domain, inhibit cross-interference.)

说明：  ERA模态识别，该算法可以与自然激励技术合用已识别结构模态参数(Era modal identification, which can be used with natural excitation technology to identify structural modal parameters)

nonlinear secant method

image segmentation code using matlab.