master data structure 中文意思是什麼
master data structure
解釋
主數據結構-
The external interface and internal structure of telecontrol protocol program is designed, three optional route of total program design are analyzed. the tactic of effective dividing of the program function is discussed, the effective way to divide the program function is presented in term of transparency. application, transport and data link layers of master station is designed and realized with vc + +
設計了遠動規約程序的外部介面和內部結構，並分析了程序總體設計中的三種可供選擇的技術路線；討論了程序功能有效分工的策略，提出了以透明性進行有效分工的方法；設計了主站應用層、傳輸層和數據鏈路層，並用vc + +加以實現，成功地應用於工程實踐中，收到良好效果，達到了預期目標。 -
In this system, it is master - slave structure between pc and dsp. dsp transfers data to pc by adopting the dmac ( direct memory access controller ) in pc. the thesis dwells on every part of hardware circuit and main technology such as dsp, the transferring mode of dma ( direct memory access ), etc subsequently, it introduces the software design of the sampling system and user interface
該最小系統製作成高速數據採集卡，插入pc機的isa總線插槽中， pc機與dsp構成主從結構，系統中tms320f240dsp作為pc機的下位機，採用pc機內的dmac （ dma控制器）通過dma （直接存儲器存取）方式把採集的數據傳送到pc機進行處理。 -
Quite a lot of new ideas for designing both logic structure and scheduling structure of the open architecture cnc system have been implemented, including the principles of module - classification, large buffer mechanism for data transfer between modules, principles of time - allocation scheduling, and etc. based on the software structure, the author implemented a few function - modules, such as master - control, interface, decode, interpolation, position - control
本文在系統的邏輯架構設計和時序架構設計方面做了不少創新性的工作：提出了開放式數控系統的模塊劃分原則，設計並實現了模塊間的大緩沖機制；提出了開放式數控系統的時序設計原則，提出了rtlinux環境中的數控系統時序實現機制並給出了具體方案。 -
The features of pci local bus, signal definition, command definition, bus operation and the addendum of the pci local bus specification, revision2. 3 are introduced briefly at first. then the structure and function of plx pci 9656 pci bus mastering i / o accelerator are summarized including : pci 9656 ' s three data transfer modes ( direct master, direct slave, and dma ) and direct connection to three processor local bus types ( m mode, c mode. j mode )
在簡要介紹了pci總線的特點、 pci總線的信號、命令和操作規范、 pci總線的配置空間以及有關最新pci總線規范pci2 . 3里的一些新增和修改的內容之後，本文概述了plx公司的pci總線專用控制器pci9656結構和功能，並介紹了pci9656的發起者、從設備、 dma三種工作模式以及m 、 c 、 j三種局部總線介面方式。
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