Copula

用于数据聚类，无监督学习，可以直接使用，望大家指导批评(For data clustering, unsupervised learning)

基于可编程跨导运算放大器POTA低通有源滤波器设计。该文给出了基于可编程跨导运算放大器(POTA)的有源滤波器设计方法，能在一定范围内实现跨导值程控调节, 提高调节精度和准确度。并且利用Jacobi 法求解相似对角形矩阵，避免解高次方程的难题。所设计的有源滤波电路不易受分布电容的影响，稳定性好、灵敏度低。本文给出了设计实例，显示了该方法的优点。-Based on programmable transconductance operational amplifier POTA low-pass active filter design. In this paper, based on the programmable transconductance amplifier (POTA) of the active filter design method that can realize in a certain range transconductance value of program-controlled adjustment, improve precision and accuracy regulation. Jacobi method and use a similar matrix of angular, high-equation solution to avoid problems. Designed active filter circuit less susceptible to the effects of distributed capacitance, good stability, low sensitivity. In this paper, design examples, showing the advantages of the method.

24点游戏，DOS终端环境。 xuruoyu@gmail.com-24-point game, DOS terminal environment. xuruoyu@gmail.com

jQuery图片点击切换插件一款带有左右按钮，缩略图切换的jQul插件(JQuery Picture Click Switch Plug-in A jQul Plug-in with left and right buttons and thumbnail switching)

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修复WINDOWS系统不能显示隐藏文件 压缩包内有两个注册表文件 双击运行导入就可以了-repair Windows system does not show that the hidden documents compressed with two double-click operation registry documents I. to be a

APPLICATION TO LOSSLESS COMPRESSION OF HYPERSPECTRAL IMAGES

真的很麻烦也，有必要这样吗？搞错没有啊？快让我下-really have trouble, it is necessary to do? Ah no wrong? Let me quickly under!

分析了永磁同步电机矢量控制的发展概况，然后从机电能量转换的角度出发，解释三相永磁同步电机的机电能量转换原理，推导拉格朗日运动方程。此外，列写出永磁同步电机在三相静止坐标系和dq坐标系下的数学模型。基于Simulink建立了转速电流双闭环矢量控制系统的仿真模型，通过对仿真结果分析，验证了永磁同步电机矢量控制系统性能的优越性(The development of vector control of permanent magnet synchronous motor is analyzed. Then, from the perspective of electromechanical energy conversion, the principle of electromechanical energy conversion of three-phase permanent magnet synchronous motor is explained, and the Lagrangian motion equation is derived. In addition, the mathematical model of the permanent magnet synchronous motor in the three-phase stationary coordinate system and the dq coordinate system is written. Based on Simulink, the simulation model of the speed and current double closed-loop vector control system is established. The simulation results are analyzed to verify the superiority of the performance of the permanent magnet synchronous motor vector control system.)

能为金山杀毒软件提供一个自动升级的东西,不需要注册,解压就可以使用.-to provide an anti-virus software automatic escalation of things, does not require registration, decompression can use it.