Ultra_function

视频的关键帧计算，和关键帧提取，附有实验报告(Video key frame basis, and key frame extraction, with test report)

MATLAB数值分析与应算习题代码8 9节，用于学习交流，不可用商业用途。(MATLAB Numerical Analysis and Problem code 89 should be considered section for learning exchanges, can not be used for commercial purposes.)

Ask、fsk、psk各做一个调制与解调的实验仿真 再做一个三个的结果（误码率）比较，通过图像对输出结果进行对比， 每个仿真的输出结果可随输入数据的改变而相应改变 课程设计需要运用MATLAB编程实现ASK,FSK,PSK，调制解调过程，并且输出其调制后的波形，画出频谱、功率谱密度图，并比较各种调制的误码率情况，讨论其调制效果 (Ask, FSK, PSK each simulation a modulation and demodulation 再做一个三个的结果（误码率）比较，通过图像对输出结果进行对比， Another three results (BER) by comparison, image are compared to the output results, 每个仿真的输出结果可随输入数据的改变而相应改变 The output of each simulation results with the input data and the corresponding change to change 课程设计需要运用MATLAB编程实现ASK,FSK,PSK，调制解调过程，并且输出其调制后的波形，画出频谱、功率谱密度图，并比较各种调制的误码率情况，讨论其调制效果 Curriculum design needs to realize ASK, using MATLAB FSK programming, PSK, modulation and demodulation process, and the output of the modulated waveform, draw the spectrum, power spectrum density diagram, bit error rate and to compare the different kinds of modulation, discusses the modulation effect )

置信传播(belief propagation,BP)算法的计算复杂度较高，且变量节点和校验节点间信息传递的信息可靠，但是迭代的实现，就最大似然算法来说，验证其提高译码性能的特点。 (Belief propagation (belief propagation, BP) higher computational complexity of the algorithm, and reliable information between variable nodes and check nodes of information transmission, but the realization of the iteration, the maximum likelihood algorithm, the verification of its improved decoding performance characteristics.)

关于kmeans 的算法，和如何验证匹配准确率的算法(About kmeans algorithm, and how to verify the accuracy of the algorithm matches)

对于节点的优化编号问题,提出了一种改进最小度算法,使其更方便快速(The number of nodes optimization problem, an improved minimum degree algorithm, making it easier and faster)

This program will help you for Fitting Survival Probability Models article

SVM的一个实例，对不同葡萄酒分类，有原始数据(Matlab code for SVM, classifing types of wine, with original data.)

impedence matrix formation

Spatially multiplexing several data streams onto the MIMO channel,the rank of the matrix H and with full rank.