资源列表
3DGIS
- 文回顾与评述了三维GIS的相关发展情况,探讨了三维GIS的有关基本问题,如数据获取、大数据量存贮与处理、三维空间分析,同时指出科学计算可视化、数据库系统管理、数字影象处理等技术的成熟和二维GIS长期发展提供的理论实践经验等为三维GIS的发展提供了良好的基础。最后为三维GIS实际系统的开发提出了几个值得注意的要点。-In this paper,the review and comment on the development of 3 dimension GIS are first made.Th
xie
- 通过页式虚拟存储管理中缺页中断轮转算法的模拟设计,了解虚拟存储技术的特点,掌握页式存储管理的缺页中断轮转法。 计算缺页次数、缺页率、被淘汰的序列。-make a sence of the charasteristic of virtual store skill ,via the simulating design of interrupt cycle arithmetic,and master the missing-page interrupt cycle arithmetic about
多级反馈轮转法
- 采用多级反馈轮转法调度算法,从而了解多级反馈轮转调度算法的优点与缺点. 先要随机产生几个进程,初始化进程.确定进程的的优先顺序,定义时间片的长度.-multilevel feeding and rotary schedule method has been used to understand its advantages and drawbacks. First, several processes have been created and initialized, their priori
模拟一个文件管理系统
- 设计的文件系统实现下述的基本操作:建立文件;删除文件;打开文件;关闭文件; 可对文件设置保护措施(读,写,执行)。-the file system is designed to implement basic operations as follow: create file delete file open file close file set security measure
二分搜索法
- 要求随机关生一个序列,任意查找其中一个元素时,采用二分搜索法实现,并且还能显示查找次数。使用二分法首先要使序列列按从小到大排序,因此程序中还要有排序功能。- there is a random series ,when looking for any an element in this series,we can achieve this by the method of bisectional searching,also the number of search times will be
模拟页式虚拟存储管理中缺页中断
- 本次设计要求我使用最不经常使用页面淘汰算法。该算法在需要太太某一页是,首先淘汰到当前时间为止,被访问次数最少的那一页。这只要在页表中给每一页增设一个访问计数器即可实现。每当该页被访问时,访问计数器加1,而发生一次缺页中断时,则淘汰计数值最小的那一页,并将所有的计数器清零。-Abstraction: This design require me use a most unusual swap algorithm. When swap operation is demanded, this al
ifyear
- 用c#编写的一个简单的万年历查询器,只能查询每个月的一号。无图形输出,那位仁兄有意可以加一个。运行平台为asp.net+iis.-a simple perpetual calendar inquirier developed with c#,it can only query the first day of each month. there is no graphic output, and I hope someone could add it. running platform is
模拟家用时钟
- 用C语言编写来模拟时钟,具有一般时钟的功能。可以精确到秒-this is a C code clock, with common functions of a clock and with precision to second.
稀疏矩阵的运算器
- 用C语言编写的,实现一个能进行稀疏矩阵基本运算的运算器。-writen in C language, implemented calculator which can execute basic operator of sparse matrix.
二进制与机器码转换
- 1.进制之间的转换:可以实现十进制转换成其他的进制:二进制,八进制,十六进制;2.机器码之间的转换:输入真值,可以转换成原码,反码还有补码。-1.the conversion of scales:implemant of conversion in decimal and orther scales:binary, octal, and hex.2.the conbersion of machine codes:input ttuth value,then converting into for
模拟打字软件
- 用C语言编写的模拟windows的打字软件,可以实现基本的打字功能!-Write with c to simulate windows typing software.This will implement those basic typing functions.
vbpgm
- 这是我自己学习编写的代码集合 里面有老师讲的 自己改写的 都是一些简单的代码 但是每个代码都写了 很详细的注释 你不用看帮助文件就可以理解-This the collection of my code for learning, including the teacher s code and modified by me. All of them are very simple, but including notation in detail. You can read it without