曲轴模型

该程序用以对m序列码的调制在负dB情况下解调的仿真，是对基带信号的调制-procedures for the right sequence code m in the negative dB modulation of the demodulation simulation of the base band signal modulation

ldpc码的编解码实现，可以动态调节运行环境的参数，可直接计算得到多重分形谱。( Codec ldpc code implementation Can dynamically adjust the parameters of the operating environment, It can be directly calculated multi-fractal spectrum.)

说明：  本程序利用金井清功率谱--三角级数法模拟人造地震波 杜修力的是高频和低频部分的修改，在matlab中加了ad1和ad2两个修改项(procedures for the use of the Large-power spectrum-- Triangle Series artificial earthquake simulation of Podujevo repair of high-frequency and low-frequency Department hours amendments to the Matlab adding the AD1 and ad2 two amendments items)

分割文件程序 可一将一个大文件分成若干个小文件 也可以再把它们合并恢复-segmentation procedures document will be a document is divided into a large number of small files can then resume their merger

张量分析-黄克智-清华大学出版社-1986(Tensor analysis - Huang Kezhi Tsinghua University press -1986)

说明：  中频信号正交化处理过程中，低通滤波法，多相滤波法和Bessel插值法镜频抑制的比较，(IF signal quadrature-based processing, low-pass filtering method, multi-phase filtering method and the Bessel interpolation method mirror-frequency rejection of the comparison,)

说明：  128条码打印DLL，通用平台都可以调用(128 bar code printing DLL)

一、 实验目的 1. 掌握典型序列的产生方法。 2. 掌握DFT的实现方法，利用DFT对信号进行频域分析。 3. 熟悉连续信号经采样前后频谱的变化，加深对时域采样定理的理解。 4. 分别利用卷积和DFT分析信号及系统的时域和频域特性，验证时域卷积定理。 二、实验环境 1． Windows2000操作系统 2． MATLAB6.0(First, the purpose of the experiment 1. master the method of producing typical sequence. 2. master the realization method of DFT and use DFT to analyze the signal in frequency domain. 3. familiar with the change of the frequency spectrum before and after the continuous signal sampling, deepen the understanding of the time domain sampling theorem. 4. the time domain and frequency domain characteristics of the convolution and DFT analysis signals and systems are used to verify the time domain convolution theorem. Two. Experimental environment 1. Windows2000 operating system 2. MATLAB6.0)

一款好看的苹果cms模板。带直播功能会员功能修改了会员观看记录功能。(A nice apple CMS template. With live function, the function of member is changed.)

用Python计算图像对不同地物分类精确度， 计算分类结果图与标准参考图的混淆矩阵， 对分类结果进行评价(Python was used to calculate the classification accuracy of images for different ground objects, calculate the confusion matrix between the classification result map and the standard reference map, and evaluate the classification results)