parabolic_PDE_1_2D_explicit

这是一个PCM的编码调制方案的仿真程序。其中包含了对信号的量化。(This is a PCM coding modulation scheme of the simulation program. Which contains the signals quantified.)

1.对染噪doppler信号进行小波包3层分解：分解层次j=1,2时，都是信号的概貌；当j=3时，反映概貌的已几乎不含噪声分量，而其它噪声分量的幅值已很小。 2.对加噪Blocks信号进行不同阈值及不同阈值的使用方式降噪。 (1. On noise pollution doppler signal decomposition of wavelet packet Layer 3: decomposition level j = 1,2, are the signal profiles when j = 3 to reflect the general picture has been almost non-noise component, while other noise components amplitude has been very small. 2. Blocks of noise signals of different thresholds and different thresholds for the use of noise reduction methods.)

使用Matlab实现特殊矩阵，对初学Matlab的人很有帮助(It has benefits for learners)

说明：  代码介绍全局平滑约束下的基于梯度光流法的MATLAB实现(Code describes the global smoothness constraint optical flow method based on the gradient of the MATLAB implementation)

求图像显著区域的GBVS算法，matlab编写，可直接运行(For image salient regions GBVS algorithm)

BP神经网络模型，用于根据反馈信息，调整，以达到最优值(BP neural network model for feedback adjustments to achieve the optimal value)

S parameter calculation for layered media

Face Recognition Using PCA Classifier by extracting DTCWT features

说明：  基于模糊PID的温度控制系统,通过matlab平台对基于模糊PID的温度控制系统进行设计(PID temperature controller design based on fuzzy control: fuzzy control and PID control combine to achieve PID adaptive approach to control system temperature by means of fuzzy control. This Fuzzy- PID strategy is not to replace the use of fuzzy control PID control, but the traditional control methods to improve and expand, both to maintain a simple and conventional PID control system structure, easy to use, robust, and high control accuracy advantages, but also the use of fuzzy inference PID parameters to achieve the PK, IK, DK-line self-tuning, both the fuzzy control flexibility, adaptability features, compared to simply have a good control effect either)

说明：  《信号与系统》计算机练习－利用matlab 西安交通大学出版社 实验一("Signals and systems" computer exercises-using Matlab Xi'an Jiaotong University Press an experiment)