data ring 中文意思是什麼

data ring 解釋
數據環
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • ring : n 1 圈,環,輪;戒指,指環,耳環,鼻圈,鐲子(等);【運】吊環。2 輪狀物;【植物;植物學】年輪;...
  1. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上,應用分類結果比較法,在gis各種空間分析功能(幾何量算、統計分析、疊加分析及緩沖區分析)的支持下,對該區土地利用變化進行了如下分析:土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明:該區土地利用變化主要表現為耕地大量減少,斑塊破碎化;交通用地沿二環線呈放射狀向四周擴展;城鎮用地沿交通干線向西南方向擴張迅速,用地趨于集中;農村居民點和工礦業用地增加,用地趨于分散;其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  2. The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate

    結果表明,動態測試過程穩定,所設計和製造的集流環完全滿足試驗要求,測試數據可以用於結構載荷譜的編制和疲勞壽命分析。
  3. Abstract : in this paper , the problems in collecting data of earth pressure are discussed on the basis of some real projects according to the author , the present way , in which earth pressure data are calculated completely from classics theory , is not practical a nonlinear method of row pile design , in which the cooperative action of ring beam are taken into account and the lateral pressure is calculated on the basis of the pressure of displacement earth are proposed

    文摘:本文從實例著手,分析了在土壓力取值上存在的問題,目前工程中完全按經典理論進行套算是不確切的;提出了排樁設計中應定量考慮圈樑的協同作用,側壓力按位移土壓力進行計算的非線形方法。
  4. 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。
  5. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。
  6. A service of the data link level ( logical link control ) in ibm ' s token - passing ring

    一種ibm令牌環介質訪問控製法中數據鏈路級(邏輯鏈路控制)業務。
  7. The procedure design of the experimental data using the method of weighted averages to deal with newton ' s ring

    加權平均法處理牛頓環實驗數據程序設計
  8. Unlike ethernet, fddi is designed in an orderly ring structure, where devices pass data to one another in a large ring

    與以太網不一樣, fddi採用順序的環形結構設計,在該結構中,各設備在一個大環中互相傳送數據。
  9. Data from the cassini spacecraft have provided astronomers with a likely source of saturn ' s mysterious g ring, which was discovered by voyager probe

    卡西尼號太空船提供給天文學家的資料是土星神秘的g狀環形物的可靠資源,這是由航行者的探測器發現的。
  10. A combined network which consists of four subnets is put forward. every subnet is trained using the data of one portion of arch - ring elements, and the outputs from all subnets give the whole damage information of the arch - ring

    構造了一個由四個子網組成的組合網路,每個子網分別針對拱肋中的部分單元進行訓練,然後由各子網的輸出共同給出整個拱肋的損傷狀態。
  11. Chapter 4 explores the multi - level pipeline - controlled parallel mechanism and parallel performance of multi - sharc system. then the parallel data block - processing scheme for distributed multi - dsp ring network system is introduced in view of dsps " macro pipelines and operating pipelines

    提出了在考慮到操作流水線和宏流水線的影響下,數據塊并行處理策略在基於環網結構的分散式多sharc系統中的新應用。
  12. 2. a comprehensive framework is developed for the above model. those include functional modules, related data structure, frames of message encoding, certificate management database, ring of keys, concrete information flows for access control and so on

    完整設計了模型的整個可實現框架:包括各組成模塊的功能、相關數據結構和消息編碼格式、證書管理庫和密鑰環的設計,以及具體的訪問控制流程等。
  13. First, a simple model that a cyclinder with convex ring pulling in a tube is constructed using the ansys software, by computing and analysis of three different models, a general method can be get to resolve this sort of problems. then a complete projectile 2d model is established using autocad and converted to ansys through. sat data format, then a 3d solid model and finite element model is set up, and the properties are also defined in ansys. the next step is the dynamics analysis of the driver and body in the process

    通過研究簡化模型? ?帶凸緣的柱體在圓筒中擠進過程,共對三個模型? ?二維擠進模型、凸緣在光膛圓筒中擠進的三維模型、凸緣在線膛圓筒中擠進的三維模型進行有限元分析,得到一個對此類問題的通用分析方法;然後,運用autocad建立實際彈丸的二維模型,通過sat介面程序導入ansys ,在ansys中進行前處理,包括生成彈丸實體、建立線膛實體、劃分網格,設定單元、材料、接觸的類型及其它參數,生成ls - dyna的
  14. In this paper, we provide a summary of all the possible topologies of data grid replica location mechanisms based on the research status of related activities, and design a new kind named distributed replica information index location mechanism ( dilm ), which is based on the topology of improved ring and integrates four techniques : overlay network, bloom filter, soft - state protocol and md5

    本文介紹了數據格網復制定位研究的現狀,總結了數據格網復制定位可能的拓撲結構種類,提出了一種新的數據格網復制定位機制? ?分散式復制索引定位機制dilm 。 dilm基於改進環型拓撲結構,包含以下4種技術:重疊網路技術、 bloomfilter壓縮技術、軟狀態協議和md5散列演算法。
  15. The taper piston ring conic degree measuring instrument is a kind of special instrument that measures the conic degree of each one amongst a group of superposing piston rings, and the research on data acquisition and control system of this instrument is the key point of this thesis

    錐面活塞環錐度方向識別儀就是用於檢測重疊在一起的一組環中其中每一環的錐度值且辨別其方向的一種專用儀器,本論文重點研究了該儀器的數據採集及控制系統。
  16. Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways

    重慶高速公路聯網收費數據通信網的結構是根據高速公路的物理結構構築了2環8射的網狀結構,建立了以sdhstm - 4 (可升級到stm - 16 )的傳輸主幹層,以sdhonu / oltstm - 1 (可升級到stm - 4 )組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip路由交換網,形成了結算中心-路段管理公司-收費站之間的3級計算機網路結構。為從通信網路上保證收費數據的原始性和可靠性,每個收費站和結算中心、路段管理公司之間建立了2m迂迴鏈路,同時在收費站和結算中心之間建立了pstn的撥號備份鏈路。
  17. Write enable ring for magnetic tapes for digital data storage

    數字數據存儲用磁帶的允寫環
  18. This is to usually be us to use the bandwidth recording of a restrict at 20 khzs the hour affair that take place. 20 part, its result that khz bandwidths figures system can t accurate coding music inside strength it is voice that variety is very quick become to bomb to ring the to is muddy, and the hearer also can t accurately find out the performer s position. the experiment combination that proof, ear and brain make use ofed that kind of short data conduct and actions leading present the draft. more have very, limited the number s flat - out changes of music the musical instrument s tone color. the cd bandwidth is not enough, the musical instrument s tone color changed, and its leading of nature hinted to also changed

    由此產生的數據量太大以至不可能存儲在一張cd盤上,於是hdcd編碼器分析了這個高度解析的訊號,來決定當訊號轉化為16bit 44 . 1khz成的訊號儲存在一張cd上時,有哪些音樂方面的訊息將丟失。然後編碼器輸出一個16bit 44 . 1khz的數碼音訊號,在其第16bit有一個隱藏的控制代碼,這個隱藏的聽不見的控制代碼在cd播放器里告訴hdcd解碼器運行某些有關聲音訊號的程序來恢復一些當初在高解析數碼訊號中表現出來的訊息,解碼時可以產生巨大的聲音訊號的變化。這個控制代碼是一種解碼器可以識別的速寫方式。
  19. The signal processing software was developed by vc + + tools. the modules of the software including board controlling, signal input, data saving, figure display, statistic computing, filter design, spectrum analysis, etc. based on the experiment performed on the piston ring - cylinder bore wear tester, the friction force and max scuffing load under different liquid - solid lubrication ( the solid concentrations are 0 %, 0. 02 % and 0. 1 % by weight, the type of particles are mos2 and udp ) is investigated in this thesis

    然後,以內燃機中的活塞環-缸套摩擦副為目標,在活塞環-缸套摩擦副實驗臺架上進行模擬實驗,考察在不同二相流潤滑(潤滑油分別為純潤滑油、含納米級金剛石粉( udp ) 、二硫化鉬粉( mos _ 2 )的濃度為0 . 02和0 . 1的液-固二相潤滑油)條件下摩擦副的摩擦力及極限擦傷載荷的變化。
  20. Piston ring is the important accessory of the engine and turning its contour is the key procedure to ensure the performance of piston ring it has great value in economy and society that we develop the nc machining system for outer circle of piston ring to manufacture the high quality piston ring and to replace the import machine according to piston ring contour data provlded by the cad system , it can turn the piston ring contour by controlling the displacement of servomechanism which is controlled by the angle of servo motor it uses the theories of velocity closed loop 、 dlsplacement closed loop and feed forward control to improve the control precision of system on the basis of theories of elastic mechanics and mathematics , the cad system can provide the accurate data required by the nc machine system according to the calculation model and the parameters of piston ring this system integrates the cad cam technology

    系統根據活塞環cad系統生成的介面數據,通過伺服電機的轉角位置控制自主研製的高性能微位移進給機構產生給定的位移,以完成活塞環輪廓的仿型加工。系統採用速度、位置閉環控制及前饋控制理論,以提高系統的控制精度。活塞環cad系統以彈性力學和數學方法為基礎,根據常用的計算模型與活塞環參數自動生成數控加工系統所需的精確的介面數據,實現cad / cam一體化。
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