lenvison

某统计局欲了解第三产业总产出、中间消耗、增加值、劳动者报酬、生产税净额、固定资产折旧、营业盈余之间的关系，根据下面给出的数据建立相应的模型并进行分析，同时又因为变量数目过多影响对其的综合分析，要求对他们进行主成分分析；(Bureau of Statistics For a third of total industrial output, intermediate consumption, value added, workers compensation, production, net of tax, depreciation of fixed assets, the relationship between the operating surplus, in accordance with the following data given by the model and the corresponding analysis, at the same time, because too many variables affect the number of comprehensive analysis of its request for them to carry out principal component analysis )

这是我在网上找到的，里面比较详细的介绍了QPSK的仿真。(This is what I found on the Internet, where a more detailed introduction to the QPSK simulation.)

用声卡采集的模拟信号作为输入,然后fft变换,并且图形化的显示出来(sound card collection with the analog signal input, and then fft transform, and the graphics displayed)

channel estimation of communication system for long term evolution

对于svm进行可视化，清晰地划分了分类超平面以及各个类别(Visualization for SVM, a clear division of the classification hyperplane and each category)

基于核函数回归方法的图像去噪，图像平滑。对于图像领域的研究者有很大作用(Kernel regression method based on image denoising, image smoothing. Researchers in the field for the image plays a significant role)

通信原理 7，4汉明码的编码和译码 代码注释清楚 适合初学者 (Communication Theory 7,4 hamming code encoding and decoding comments clearly for beginners)

matlab7.0的使用教程，特别适合新手学习matlab参考阅读，英文版(matlab guide book )

差分进化算法代码,请下载使用，很有学习价值，我已验证可以使用(Differential evolution algorithm code, please download, it is worth learning, I' ve verified that you can use)

this is fourior by cod in matlab