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数字图像放大缩小及旋转计算组间方差和组内方差的时候调用了一个函数专门求阈值，可能这里的计算还是有一点问题。而且在我的函数里，要256次调用这个函数，又因为计算机是按字节处理数据的，因此写图像数据的时候要用每8个写到一个数组中，然后通过计算得到字节类型的值，这些都使得我的算法效率比较低，最后一个问题，我觉得如果使用位运算会快一些，但是前面的问题还没有想到比较好的解决方法。-Digital Image zoom and rotation calculation of variances and group between the two groups when the variance of a function call seeking specific threshold, the calculation may be here, or there was a problem. And in my function, it is necessary 256 calls to this function, and also because the computer is processing data in bytes, and therefore the time to write image data to use for every 8 write an array, and then calculated byte type values, which are made to my algorithm" s efficiency is relatively low, the last issue, I think that if you use bit computing will be faster, but the previous issues have not yet thought of a better solution.

WPF流程设计代码，可以在windows环境下设计简单的流程。

电子测量技术 ELECTR0NIC MEASI瓜EMENT TECHN0L0GY 第29卷第3期 2006年6月 PS／2设备接口IP核设计 王 豪黄启俊常 胜 (武汉大学物理学院微电子与固体电子学实验室武汉430072) 摘要：用Verilog硬件描述语言实现了PS／2设备接口的II)核设计，详细描述了II)核的结构划分和各模块的 设计思想，并在FPGA上进行验证。结果表明此 核功能正确，可以方便地在SOPC系统中复用。-Electronic Measurement Technology ELECTR0NIC MEASI melon EMENT TECHN0L0GY Vol 29 No. 3 June 2006 PS/2 device interface IP core design黄启俊Changsheng WANG Hao (School of Physics, Wuhan University Microelectronics and Solid State Electronics Laboratory, Wuhan 430072) Abstract: Verilog hardware description language to achieve a PS/2 device interface of II) of nuclear design, described in detail II) the structure of nuclear division and the module

基于VB实现PC机与单片机的串行通讯 随着计算机技术尤其是单片微型机技术的发展，人们已越来越多地采用单片机来对一些工业控制系统中如温度、流量和压力等参数进行检测和控制。PC机具有强大的监控和管理功能，而单片机则具有快速及灵活的控制特点，通过PC机的RS-232串行接口与外部设备进行通信，是许多测控系 -VB to achieve PC-based single-chip serial communication with computer technology, especially with the single-chip microcomputer technology, more and more people have to use single-chip industrial control systems such as temperature, flow and pressure detection and control parameters. PC machine with powerful monitoring and management functions, and single-chip microcomputer has a fast and flexible control features, the adoption of PC-RS-232 serial interface for communication with external devices, monitoring and control of many Department of

一个用C#编写treeview的例子，通过WEBSERCIE和数据库相连-The preparation of a treeview with C# examples, and databases connected through WEBSERCIE

一个很不错的程序,一定要看,不看就是一大损失.-a very good procedures, to look at and fail to see is a big loss.

14天内学会TCP/IP协议(HTML)，网页版简单易懂，说明详细。-Within 14 days of the Institute TCP/IP protocol (HTML), web page version of easy-to-read, give details.

提供数控电位器MAX261的KEIL控制程序-Potentiometers MAX261 to provide the CNC control procedures KEIL

Vista rally技术之pnp-x的spec 是upnp的扩展 很有用的拉-Vista rally technology pnp-x of the spec is an extension of UPnP useful la

Software design and development