logic design system 中文意思是什麼
logic design system
解釋
邏輯設計系統-
This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga
本課題主要針對星載并行計算機體系結構及軟體結構的特點，從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究，提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究，提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略，同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術，提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案，實現該方案所需增加的電路少，可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。 -
In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。 -
By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現，描述了智能儀器硬體設計細節，包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等，詳細地給出了設計原理圖和電路圖；給出了新型智能儀器的軟體設計細節，從而完成了新型智能儀器完整的軟硬體設計。 -
As key technology of the single chip calculator, the highly integrated dynamic cmos logic implement and the micro program design are now owned only by the developed countries and kept in secret. based on the conjunction of " top - down " and " bottom - up " design approach, the hardware system and micro program design of the calculator is thoroughly studied in this paper, and finally has been mastered
本論文以香港興華半導體公司的計算器單晶元c9821為藍本，採用了自頂向下和從底向上相結合的方法，對計算器單晶元的硬體電路設計和軟體編程方法進行了深入的研究與剖析，終于掌握了這種晶元的設計技術，並對c9821進行了功能的改進與完善。 -
In addition, make out in detail the design on inner combination logic and time logic of fpga, including series - parallel conversion, data selector, counter, flip - latch, timer, encoder, etc. at one time, not only pursuit flow of the data gathering system is illuminated, but also make use of in reason and effectively inner ram resource of fpga and build it in ping - pong framework
另外，詳細的介紹了fpga內部的組合邏輯和時序邏輯的設計方案，包括串並轉換、數據選擇器、計數器、鎖存器、定時器、譯碼器等。並闡述了數據採集系統的工作流程，而且合理有效地使用了fpga內部的ram資源，將其構建成乒乓式結構。 -
The key to the fft algorithm is the design of butterfly computation and that of the address logic. the whole schema is designed in the top - down design flow and described in the vhsic hardware description language ( vhdl ), basing on these, we do our research on reconfigurable technology. the result indicates that the data processing ability of reconfigurable system improved greatly
結果表明，可重構系統在數據處理能力方面比以往的系統有了很大的提高，本設計實現的fft重構處理器可工作於60mhz下，完成一個16點fft需要132個主時鐘周期，完成32點fft需要324個主時鐘周期，而且具有一定可重構性，可以方便地將其運算點數進行擴展，或將其他的圖像處理演算法在實時處理系統中實現。 -
The thesis discusses on how to research and then design the led video panel system, which is a typical product of computer digital video system, by using the pld chip as the main control logic
本論文討論用pld晶元作為主要控制邏輯來設計計算機數字視頻系統的一個典型應用型產品? ? led視頻電子顯示屏系統的研製方法。 -
It implements filter groups design, wide range linear automatic gain control design, and the programmed logic device design based on vhdl, and discuss their application in initial radar system in details
其中包括分段濾波器的設計技術，寬線性自動增益控制agc電路的設計技術，以及基於vhdl語言的可編程邏輯器件的設計技術，並對其在數據採集系統中的應用作了詳細的討論。 -
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
An information system for writing off fee - for - service of yrsri is developed by using asp technology, based on the modularization system design method of database system and the logic three tiered architecture model
摘要運用asp技術，採用三層結構的開發模式和基於數據庫系統的模組化系統設計方法，開發了長江科學院醫療費報銷信息系統，實現了醫療費報銷的信息化、網路化。 -
The paper, in order to support for alteration of enterprise data analysis requirements, provides a kind of adaptive online analysis processing and data mining model ( abbreviated dolam ), its logic structure, system frame and physical structure are presented, which enhances hominine direction and controlling mechanism, embodying in such aspects as query - driven, fuzzy data mining and dynamic interactive ability etc. the paper offers design and implementation blue print of the core of dolam - - data warehouse management tool, olap tool and summarysql tool, now, they are running in dalian international cooperation ( group ) stock ltd and have gained good effect
四、決策敏捷依賴于dss的柔性，為增強dss的柔性，本文提出一種具有可適應的聯機分析挖掘模型dolam ，設計了它的邏輯結構、體系結構和物理實現結構。該模型加強了人的導向和控制機制，體現在查詢驅動、模糊挖掘、動態交互方面。本文給出了dolam的核心部分?數據倉庫管理工具、 olap工具、 summarysql模糊查詢挖掘工具的具體設計和實現方案，並運用它于大連國際合作（集團）股份有限公司的決策支持實踐中，取得了較好的應用效果。 -
Besides the logic design, we also divide our system into two parts - background database and forward user ' s interface, and detail the technology design of the two parts respectively
除了對系統經行了邏輯設計，在技術上我們將系統分為后臺的數據庫與前端用戶程序兩大部分分別經行了詳細的論述。 -
This kind of controller is easy to design and operate, and has improved convergence rates and less overshoot than pid controller, but has stable error. in order to improve the properties of the fuzzy controllers, fine - tune - rule fuzzy controller, fine - tuned parameter fuzzy controller and fuzzy - pi controller were designed respectively based on the simple fuzzy controller. then fuzzy logic inferential system is established by using toolbox of fuzzy logic in matlab7. 0. secondly, in simulink6. 0, through the instance of the template of s - function, the module of s - function for optimizing fuzzy control and corresponding control model are constructed, and the parameters of simulation are set
這種控制器易於設計、實現方便，較傳統pid控制有更快的響應速度和更小的超調，但其存在靜態誤差;為了進一步提高模糊控制器的控制特性，在此基礎上分別設計了可調整控制規則模糊控制器、參數自整定模糊控制器和模糊- pid復合控制器;然後利用matlab7 . 0模糊邏輯工具箱圖形用戶界面建立模糊邏輯推理系統，在simulink6 . 0系統模擬設計平臺中通過實例化s函數模板創建旨在優化模糊控制的s函數功能模塊，並構建模糊控制系統框圖模型，設置系統模擬參數，最終對系統進行動態模擬。 -
We pointed out the features of this infrastructure, analyzed the basis of modern applied software - mvc mode, elaborated the j2ee system infrastructure used by this system, and analyzed the integrated infrastructure system. then from the system ' s real requirement, with the object - oriented method, we used an advanced modeling tool - rose to model the system ' s requirement and logic design, then finally implemented the system design. this system uses powerdesigner to do the data modeling, jbuilder as the development tool, and struts framework to realize the separation of the expressing layer, the logic layer and the data layer
通過研究和開發寬帶boss ，了解了有關boss的基本概念、模型、發展現狀及發展趨勢；然後分析了現代應用軟體的架構： b s架構，指出了此種架構的特點，並分析了現代應用軟體架構的基礎? ? mvc模式，詳細介紹了本系統所採用的j2ee體系架構，對組成本系統的整體架構體系進行分析；隨后從本系統的實際需求出發，以面向對象的方法，採用先進的建模工具rose對系統的需求及邏輯設計進行建模；最後對系統設計加以實現，本系統用powerdesigner對數據建模，以jbuilder為開發工具，採用struts框架實現表示層、邏輯層及數據層的分離，數據層採用數據持久化技術hibernate ，從而可以隱藏訪問數據源的數據訪問api ，簡化開發。 -
Logic design and realization in fpga. logic testing and debugging. net interface module is a complex data transfer system
這罩重點描述耗時最長，難度最大的邏輯模塊的功能調試、完備性調試與可靠性調試。 -
The logic design was realized in epf10k30rc208 chip and a testing system for triggering pulse generator was developed
利用epf10k30rc208器件實現了上述邏輯設計，並開發了一個statcom觸發脈沖發生器的實驗系統。 -
But, for the part of control logic design, there is no efficient enough tool to build a bridge between system engineer and ic engineer
但是對于控制邏輯部分的設計，目前還沒有比較高效的輔助工具來完成系統工程師和ic工程師之間的交接。 -
The experiment results indicated that the logic design is correct and the autonomous triggering system satisfied the requirements of statcom
實驗結果表明，整體邏輯設計是正確的，能夠滿足statcom的觸發要求。 -
On the one hand, we separate the system into four apartment, basic database, quoting for tenders, the document management and consumer information management, on the other hand, we are going on the logic design for the database in detail according to the requirment. we design the database ' s physical structure and distributing according to client end / server mode. we design the database equitment and the database with microsoft sql server
在應用軟體開發上，按照客戶端服務器模式設計出數據庫的物理結構及分佈，在microsoftsqlserver上建立了數據庫設備及數據庫；在程序編碼上，採用面向對象和生命周期法相結合，開發出滿足功能設計的應用軟體，並在用戶的應用測試中不斷修改完善，同時給出相應的技術文檔；在開發平臺的選擇上，主要用powerbuilder作為前端開發工具。 -
The hardware design for the system is introduced in detail, including dsp mini system, a / d conversion circuit and communication interface, also the logic design for cpld is described. and the software design is described in detail as followed, the software for the system is mainly implemented in dsp including the controls of the data - acquisition, data processing and submitting
詳細介紹了系統的硬體設計和實現方案，包括dsp最小系統， a d轉換通道，通信介面等；論述了如何使用cpld作為dsp與其外圍器件之間的介面，並給出了詳細的cpld內部邏輯設計過程。
分享友人