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数字通信原理_基于matlab仿真计算，包含大量实例程序(Digital Communications _ matlab-based simulation, the program contains a number of examples)

this is PSO algorithm code that integrated with PID controller. This code example has been used for ASP system.

QR码作为一种可高速、全方位识别的二维条码,已经在各行各业中得到了应用,并具有很大发展潜力.本文针对QR码图像的识别过程中可能遇到的图像噪声干扰、QR码占实际拍摄图像的一部分、倾斜、几何失真等问题进行了研究,提出了通过改进型中值滤波去除噪声,使用QR码符号特性定位并对倾斜图像进行旋转,对失真不严重的图像采用控制点变换和双线性插值方法进行几何校正.实验证明, 本文的方法简单有效, 可以用于提高条码的正确识别率.(As a high-speed, full identification of the two-dimensional bar code, QR code has been applied in all walks of life, and also has great potential for development. In this paper, aiming at QR code image recognition process may be encountered in noise interference, QR code accounting for the actual captured image just a part, slant, geometric distortion, and other issues have been studied, put forward through improved median filter to remove noise, use QR code symbol characteristics to locate and rotate the tilted image, distortion which is not serious use control-point transform and spatial bilinear interpolation method for geometric correction. The results show that this method is simple and effective, can be used to improve the QR code correct recognition rate.)

自适应信号处理快速算法的MATLAB实现源代码，对于自适应信号的初学者会有很大地帮助(Adaptive signal processing algorithm to achieve the MATLAB source code, for beginners will be of adaptive signal has a great help)

小波包分析提取振动信号中的特征频率，利用matlab GUI实现的串口编程例子，自写曲率计算函数 。( Wavelet packet analysis to extract vibration signal characteristic frequency, Use serial programming examples matlab GUI implementation, Since writing the curvature calculation function.)

说明：  一个雷达回波模拟的matlab程序包,含有在RCS服从卡方分布,瑞利分布(A matlab program package of radar echo simulation, including the distribution of RCS obeying chi square distribution and Rayleigh distribution)

实数编码的小生境PSO算法优化多模态函数(Real-coded niche PSO algorithm for multimodal function optimization)

ABS整车控制模型，系统全面，配有文字说明，清晰易懂(ABS vehicle control model, comprehensive system)

说明：  建立了预瞄侧向加速度驾驶员模型，依据驾驶员模型可以实现对不同道路的循迹行驶。(A forward-looking lateral acceleration driver model is established. According to the driver model, track driving on different roads can be realized.)

含有详细的ＭＴＩ和MTD的源程序，采用 matlab实现。(Contain detailed MTI and MTD of the source, using matlab realize.)