386ex cpu of intel is the core of the hardware and vxworks of windriver is the core of the software . 1553b bus is the external interface in this computer 本系统的硬件部分以386excpu为核心，以1553b总线为外部接口；软件部分以vxworks实时多任务操作系统为平台。
It enables the system to accomplish real time tasks on multi - task operation systems with the help of the efficient and effective " soft " real time approach 通过使用经济、实用的“软”实时的方法，系统在windows98这种多任务操作系统平台上完成了有实时控制要求的任务。
Moreover , qnx delivers these capabilities with a posix - standard api . firstly , this thesis describes the philosophy of qnx and the architecture used to robustly implement the os 为了使测试系统软件具有较高的实时性和可靠性，在测试系统的软件设计上，采用了实时多任务操作系统qnx 。
The real - time problem of high - speed multi - channel data acquisition under multitask operating system is also analyzed in detail , and the solution to this problem is given then 对基于windows多任务操作系统下的高速多通道数据采集的实时性进行了分析，提出了稳定可靠的实时数据采集方案。
However , any multi - processing operating system , even windows 2000 or xp , suffers from degraded performance when peripheral manufacturers skimp on the embedded processing power of their hardware 但是，任何多任务操作系统，甚至是windows 2000或xp ，都要忍受这些制造商克扣内嵌处理器造成的性能下降。
Rtlinux is a real - time operating system with excellent performance . it can be used accomplish real - time multi - tasks scheduling without secondary cpu . its source code is open for end user Rtlinux是性能优秀的实时多任务操作系统，基于rtlinux的数控系统，可以在无需下位机的前提下实现实时多任务调度。
The demand for real - time operating system ( rtos ) by omnipresent embedded computing is becoming more and more urgent . the real - time supporting research of linux kernel has offered the new possibility to 无所不在的嵌入式计算对实时多任务操作系统( rtos )的需求日益迫切， linux内核的实时支持研究为迎合这种需求提供了新的可能性。
Beginning with indagation and choosing of parts , we have achieved its theory project , schematics , pcb drawings , hardware debugging and replantation of real time operating system ( rtos ) 本文从元器件调研、选型开始完成了386ex航天计算机的原理设计，原理图、 pcb绘制，硬件调试，并实现了vxworks实时多任务操作系统( rtos )的移植。
Researched into rtos ( real time operation system ) . rtos can manage code effectively and has changed traditional operation mode . it prepared the system for more complex , more advanced grade 实时多任务操作系统可以有效地管理程序代码，改变传统的操作方式，为使系统逐步向更加高级复杂的方向发展、以及系统的改进和发展打下了良好的基础。
It is because the master control computer comes to appearance that the function of the master control computer can have improved , and the performance can take priority over the coder of dos 这些功能的实现主要源于windowsnt实时多任务操作系统的优势，正因为该操作系统的出现，主控计算机的功能日趋强大，其性能远远优于以往基于dos系统下的编程。
