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Description: 先来先服务(FCFS)算法、短作业优先(SJF)算法、高响应比(HRN)算法和高优先权算法来实现作业调度算法的模拟。
(1) 算法采用下式计算响应比:
等待时间waittime
需要运行时间requesttime
(2) 高优先权算法采用下述公式计算优先权:
优先权priority*等待时间waittime
需要运行时间requesttime*紧迫程度quick
-First Come First Served (FCFS) algorithm, the priority short operation (SJF) algorithm, a high response ratio (HRN) algorithm and high-priority scheduling algorithm to achieve the simulation algorithm. (1) algorithm of computing response ratio: latency time waittime need to run requesttime (2) high-priority algorithm is calculated using the following priority: the priority of the waiting time priority* need to run waittime time requesttime* degree of urgency quick
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Size: 136192 |
Author: hghh |
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Description: RDE 远程数据交换 可以控制远程的代码-RDE 远程数据交换
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Size: 10240 |
Author: 天一 |
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Description: )l提出面向遥感图像处理软件的体系结构:以遥感图像应用领域软件体系结构风格为主,兼有层次结构风格和数据抽象与面向对象组织风格的特点。在详细讨论图像数据表示方式的基础上,通过深入分析遥感图像数据在显示过程中所遇到的问题及其相应的技术解决方案,为图像显示库设计了图像显示模型、坐标变换模型和透明图像的显示模型。
提出了以分块分层结构来加快海量图像数据处理的方法,并针对海量图
像数据变换域算法的速度问题,提出以分块处理策略、优化读写操作和
并行处理相结合的方法。
建立了栅格图像数据处理和矢量图形处理的一体化框架,为RS软件和
GIS软件的一体化处理找出了一条可行之路,并将其成功应用到工程实践中 提出了一种新的und。与rde。机制,为具有复杂功能的人机交互系统建立了一种可以借鉴的设计模式。-) l for remote sensing image processing software put forward the system structure of: to the remote sensing image application field software architecture style is given priority to, with hierarchical structure style and data abstraction and object-oriented organization style characteristic. In detailed discussion image data on the basis of means, through in-depth analysis in remote sensing image data display of the problems encountered and their corresponding technical solution, for the images show the image display model library design, coordinate transformation model and transparent image display model. Puts forward to block layered structure to speed up the mass data processing method of image, and in the light of mass figure
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Size: 5139456 |
Author: tigerwoods |
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