common data system 中文意思是什麼
common data system
解釋
公用數據系統-
This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field
本文從系統理論出發研究油氣動態系統基本統計規律，結合油氣動態系統的一般特點，結構特點，兼顧油田開發規劃設計的要求，利用功能模擬原理（含神經網路方法、微分模擬方法） ，依據油田歷史數據，建立了油田開發動態指標間的輸入輸出關聯關系，並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測，同時利用最優化原理，在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ，這些優化模型包括：產量構成優化模型（解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題） ；措施產量結構優化模型（解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題） ；產量分配優化模型（將油田的產量最優地分配到各採油廠）以及油田綜合開發規劃模型。 -
Gpon is multi - point to point network topology structure in upstream direction. in order to transmit tdm services, besides the common modules such as dba, fec, aes, the system also need data adjustment, clock recovery, and so on
其中同步時鐘恢復是實現tdm接入的重點和難點，因此本文重點討論了同步時鐘恢復的方法，在研究atm和sdh時鐘恢復方法的基礎上，提出了同步殘余時標法和同步時鐘統計恢復法。 -
After the temperature measurement system is scaled by the black body furnace, we use least square method and neural network to calculate the temperature respectively according to the images taken from both the black body furnace and the common coal furnace. through comparison the calculation data with the result of thermocouple, an improved method of neural network is proposed. this method is more practical and precise
根據標定結果，本文用最小二乘和神經網路兩種方法分別對黑體爐和普通煤爐的圖像進行了溫度計算；通過比較熱電偶輸出的溫度值和計算的結果，提出了一種改進的神經網路方法，該方法更適用於工程實際，其測溫精度較高。 -
Since common management information systems are not suitable to deal with these spatial distributed data, it is needed to develop a field level geographic information system ( fis ), in order to meet the needs of field data processing and field information management
由於這些數據一般都具有空間分佈上的特性，要分析與處理這些數據，普通的關系型數據庫已不能滿足需要，因此需要開發一種田間信息系統，或者稱之為農田地理信息系統，來對田間數據進行分析與處理，並對農田信息進行管理。 -
Due to the characteristics of the powerline channel, the plc system is different from the common wire network and makes high - speed data transmissions very challenging
本文主要在就以電力線網路為基礎的家庭網路的調制技術、媒質接入控制（ mac ）協議和tcp協議方面進行了探討。 -
Computer software system for hydrological data reorganization in irrigated area, which will be in common use, is developed firstly. in this system, the multi - curve ( including simple curve ) fitting equation and its graph can be generated automatically
首次研究開發出多曲線擬合（包括單曲線）自動生成曲線方程和圖形的較為通用的灌區水文資料整編計算機軟體系統，從而為灌區水文資料整編和管理向現代化方向邁進鋪平了道路。 -
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。 -
The paper puts forward the model of reference about common corporations and detailed designs based on dw ' s requirements analysis, then discusses that how a corporation builds the dws ( data warehouse system ). this paper ' s main breakthrough lies on : in the information condition of national corporations, how to improve the decision - making ability of corporation by dw technology ; bringing forward the model of reference about common corporation ; constructing the dm model to control the quality of products
在數據倉庫需求分析的基礎上，提出了數據倉庫系統建設的總體框架和詳細設計，然後論述了企業如何進行數據倉庫系統構建。本文的主要創新點在於：在國內企業目前的信息環境下，如何結合數據倉庫技術提高企業的決策能力，提出了一般企業的參照模型；在數據挖掘方面，提出了一個用以指導產品質量控制的數據挖掘模型。 -
The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical
對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。 -
In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods
而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。 -
This paper emphasize on the research of security strategy of large rdb based on b / s three - tier system structure, and discuss of the data security management strategy from every side of account management, authority management, view management, rule management, audit monitor, data dictionary track. this paper, which use orient - object model designing idea, design and realize a common data security control of application system
本論文側重研究基於b s三層體系結構下的大型關系數據庫的安全機制，從用戶管理、授權機制、靜態設置、角色管理、審計監控、數據跟蹤，多側面、多角度討論了數據安全管理策略，並且利用面向對象建模思想，在《龍口港信息系統》中構建並實現這種通用模型? ?數據庫安全控制器dbsc的設計理念。 -
Because interaction between pile - raft foundations and soil is very complex, what ' s more, there are many effect factors, piles and caps ( or rafts ) form a common working system whose bearing capacity and settlement are affected and restricted by interaction between them. the method of computing settlement that code provides is not a pure theoretic method and it is an experiential method in essence. in this paper, based on engineering designs of taiyuan, in - site experiments, observation data of structure settlement and so on, settlement is analyzed and computed by applying mindlin stress formula and using software matlab
現規范推薦的樁基沉降計算方法，並不是一種純理論的方法，其實質是一種經驗擬合的方法；本文結合太原地區的工程設計、現場試驗、主體沉降觀測資料等，運用明德林（ mindlin ）應力公式，然後按分層總和法原理，採用matlab軟體計算程序進行沉降計算、分析，結果表明：高層建築樁?筏基礎沉降較小，且較均勻，得出了太原地區的樁?筏基礎沉降計算的經驗系數_ p ，從而使設計、計算結果更接近於工程實際，同時考慮筏板對上部結構荷載的分擔是合理的、先進的，對高層建築樁?筏基礎加強了認識。 -
Finally we analyze common data association algorithm such as nearest neighbor algorithm 、 probability data association algorithm and joint probability data association algorithm and adopt the nearest neighbor algorithm in our simulation system
然後對當前比較常用的數據關聯演算法最近鄰法、概率數據關聯（ pda ）演算法以及聯合概率數據（ jpda ）演算法進行了分析選擇。 -
The mobile device use a common data transfer protocol to exchange data with the enterprise database server. this model is based on a data sync protocol named syncml, and has been implemented in a practical system. the system is based on the project ? “ sale management systems ” of the shanghai songbang electric incorporation
本文在分析比較目前國內外流行的數據同步協議的基礎上，給出了一種新的基於syncml協議的通用移動同步模型（ multipledatabasesyncmodel ，簡稱mdbsm ） ，並在實際項目中驗證，在模擬狀態下實現了嵌入式設備上的數據庫與遠程的企業數據庫上的數據同步。 -
( 2 ) a new data model called xcdm is presented based on two semi - structured data model oem and oim. in web information integration system, it ' s a general method to provide an efficient common data model ( cdm ) in order to integrate multi - data source with different data model
Xcdm可以起到某種元數據的作用，統一描述半結構和無結構數據，它符合公共數據模型的幾點準則，完全適合作為web信息集成系統中的公共數據模型。 -
I describe the process of building the module in detail, introduce its architecture and function, and finally, i introduce the system " encrypted usb disk ", which i attend as a primary role, as an implementation of the common data security platform
在信息保密安全平臺的建模過程中，引入了組件技術和模塊化設計方法，保證了模型的健壯性、可移植性和可擴展性，為信息安全產品的開發提供了新的思路。 -
Middleware is a common service system with standard program interface and protocol, which located between hardware, operating system and application. middleware can support data share and application interoperability in heterogeneous hardware and operating system
中間件是位於硬體、操作系統平臺和應用程序之間的通用服務系統，具有標準的程序介面和協議，可實現不同硬體和操作系統平臺上的數據共享和應用互操作。 -
The effective approaches of improving the level of information technology application in geological surveying and mineral resource exploration are : ( 1 ) a common data platform should be established based on subject geological and mineral point source resource databases ( including spatial databases and attribute databases ) according to the character of the work itself ; ( 2 ) the main flow of geological surveying and mineral resource exploration can be rebuilt by making use of information system technology to put the computer aided whole working flow into practice ; ( 3 ) the " multi - s " system integration such as technical integration, network integration, data integration and application integration should be carried out, and meanwhile 3d visualization of exploration data can be realized
摘要實現地礦勘查工作信息化的有效途徑與方法是根據地礦勘查工作自身的特點，建立以主題式地礦點源數據庫（包括空間數據庫和屬性數據庫）為基礎的共用數據平臺；利用信息系統技術對地礦勘查工作主流程進行充分改造，實現全程計算機輔助化；進行「多s 」的技術集成、網路集成、數據集成和應用集成，同時實現勘查數據的三維視覺化。 -
This essay analysis the data flows semantics in crcm system, compartmentalize them into 3 types : common data flow, operation data flow and control data flow
本文分析了鐵路管控系統中的數據流語義，將數據流類型抽象為公共基礎信息、業務信息和控制信息三類。 -
Based on the schema of the system of information integration, the dissertation presents a common data model ( jidm ) which is a relational data model based on java
在分析了信息集成系統的模式結構的基礎上，本文提出了一種基於java的關系數據模型（ jidm ）作為集成系統的公共數據模型。
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