MATLABdianzijiaoan

DVB_TCOFDM接收系统中关键技术研究与设计(DVB_TCOFDM receiver algorithm)

说明：  1， 自动去除导频，空子载波的simulink模块 2， 接下来是转二进制的模块（集成在解交织解卷积模型里，用一个Interger2Bit实现） 3， 然后是解交织解卷积模型—deconv. 负责解交织和解卷积 4， 再就是解RS解随机化模型—decode_new. 负责解RS解随机化 5， decode.m文件： 负责主程序的运行，实现参数的输入和修改，支持各种调制编码方式 (1, automatically remove the pilot, take advantage of the simulink Carrier Module 2, followed by a binary switch module (integrated in deinterleave deconvolution model, with a Interger2Bit achieve) 3, followed by deconvolution model deinterleave-deconv . responsible for reconciliation deinterleave convolution 4, Then solution RS solution model random-decode_new. responsible solution RS solution randomized 5, decode.m documents: the main program is responsible for the operation, to achieve input and modify parameters to support a variety of modulation encoding)

MATLAB关于FFT频谱分析的程序 MATLAB关于FFT频谱分析的程序(MATLAB on the FFT spectrum analysis procedures MATLAB on the FFT spectrum analysis procedures)

随机信号分析实验2_1，包括给予matlab的随机序列的产生以及其相关函数和功率谱的估计。(Random signal analysis experiment 2_1, including to matlab random sequence generation and the correlation function and power spectrum estimation.)

说明：  小波阈值去噪，对管道泄露信号进行去噪处理，恢复原信号(Wavelet Thresholding Denoising of pipeline leak noise signal processing, the restoration of the original signal)

前后向空间平滑ＭＵＳＩＣ算法程序，阵元天线数可变，绝对可用．(Before and after spatial smoothing MUSIC algorithm procedures, variable number of antenna array element is absolutely available.)

交流伺服系统中的死区效应分析与补偿分析了逆变器的死区效应产生的原因及其对交流伺服系统控制性能产生的影响,指出死区补偿的关键 在于电流相位的获取,为了克服实际系统中电流零点的模糊性,提出了一种基于两相静止坐标系下的前馈死 区补偿方法. 该方法通过对三相输出电流一个周期内补偿电压进行傅里叶变换,发现仅需补偿1 ,5 ,7 次谐波 分量即可消除死区效应. 仿真和试验结果验证了这种方法的正确性和可行性.(AC servo system analysis and compensation of dead time effect of the inverter dead time effect causes the impact of the control performance of the AC servo system, and pointed out that the dead time compensation, the key lies in the current phase of the acquisition, in order to overcome the practical zero of the current ambiguity of the system is proposed based on the two-phase stationary coordinate system under the feedforward dead-time compensation method. by the offset voltage of the three-phase output current cycle Fourier transform is found only compensation 1, 5, 7 harmonic components to eliminate the dead time effect. simulation and experimental results verify the correctness and feasibility of this approach.)

The shuffled complex evolution with principal components analysis–University of California at Irvine (SP-UCI) method is a global optimization algorithm designed for high-dimensional and complex problems. It is based on the Shuffled Complex Evolution (SCE-UA) Method (by Dr. Qingyun Duan et al.), but solves a serious problem in searching over high-dimensional spaces," population degeneration". The population degeneration problem refers to the phenomenon that, when searching over the highdimensional parameter spaces, the population of the searching particles is very likely to collapse into a subspace of the parameter space, therefore losing the capability of exploring the entire parameter space. In addition, the SP-UCI method also combines the strength of shuffled complex, the Nelder-Mead simplex, and mutinormal resampling to achieve efficient and effective high-dimensional optimization.

利用PSO算法优化求解PID参数,已发表文章,效果很好(Use of PSO algorithm for solving PID parameters, has published an article very good)

解释svm原理用的demo源码並且利用簡單的繪圖秀出結果(Svm theory to explain the demo with source code and showed the results of a simple drawing)