flow control scheme 中文意思是什麼
flow control scheme
解釋
信息流控制方案-
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。 -
Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition
長江河口段為潮流河段，徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜，開展防洪影響評價研究時，河道演變及工程段穩定性分析，設計潮位的分析計算，洪潮組合方案擬定，工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法，需要進一步研究的課題。 -
Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality
實際飲用水處理系統由於存在復雜性、非線性、時變性，本文根據臭氧生物活性炭水處理工藝存在復雜性、非線性、時變性等特點，將模糊控制應用在水處理這一不確定的非線性時變系統，針對不同水溫下臭氧利用率及水質的變化，設計一種基於系統過程狀態的變結構的模糊控制器，以單片機作為主要控制硬體，按查表方式設計軟體，對進水閥門開度進行在線控制，調節臭氧氣體與進水的比例（臭氧流量及濃度不變） ，達到氣水比最優化。 -
According to a max _ mm fairness standard, this paper proposes an explicit rate calculating abr flow control scheme which satisfies vcs ’ requests as possible as it could. it is a rate _ based method
這是一種基於速率的流控方法，能最大限度的滿足vc的帶寬請求，提高了通道使用率，具有公平性。 -
And then in detail the paper explains the main technique in sliding construction, which includes jacking scheme, plan layout, assembly, transport and stacking of component, setting of sliding system, setting of track, conformation of falsework, traction facility etc. third, the paper researches on se veral key points which are sum - up about technics flow of sliding construction, the select of falsework by bearing capacity which was calculated through three methods, the theoretic discuss on auto - control, dynamic or static inspect and adjust
然後對其中的重點問題作進一步的討論，包括滑移法工藝流程的總結；對胎架的選型參考腳手架的計算，運用規范、軟體程序等三種方法進行受力特徵分析，與已有腳手架試驗結果進行比較分析，得出較為符合實際的胎架承載力值；對滑移過程中的自動控制及動、靜態控制監測等做出了應用分析和理論上的探討。 -
This dissertation put forward a new control scheme to improve the control performance of load simulator. this control scheme which can bring the merit of the two kinds of servo valves into full play, use a pressure servo valve and a flow servo valve to control loading system
本文提出了壓力伺服閥和流量伺服閥雙閥控制方案，通過與壓力伺服閥單閥控制方案的對比，指出其特點，為減搖鰭加載臺的設計提供了新方法。 -
Hdlc defines a layer 2 framing structure that allows for flow control and error control using acknowledgments and a windowing scheme
高階資料連結控制定義第二層的訊框架構，利用確認與視窗技術達到資料流控制與錯誤控制。 -
Besides these, it is capable of performing frequency conversion with sinusoidal output voltages and currents at the desired output frequency and allows bi - directional power flow according to the space vector modulation method of the equivalent structure of the ac - dc - ac conversion, the conversion relations of the matrix converter were deeply investigated. the ac - ac direct transformation control and the double - space - vector pwm scheme of the matrix converter were deduced and the modeling, sin ~ iu1ation and experiment of a three - phase matrix converter were implemented
本文從等效交一直一交變換的空間矢量調制方法出發，深入分析了矩陣式變換器的變換關系，推導出了交一交直接變換控制規律和雙空間矢量pwm調制技術，實現了交一交直接變換控制方式下矩陣式變換器的建模和運行分析，並進行了計算機模擬和實驗研究。 -
In this paper, maccormack explicit time - split scheme, baldwin - lomax algebraic turbulent model and two - steps hydrogen - air nonequilibrium chemical kinetics model are employed to simulate the 2 - d flow fields in a fixed geometry scramjet combustor in different injecting way of fuel in different flight conditions. the results show, in the same entrance condition, the operating mode of scramjet combustor is influenced by the control of fuel
本文採用maccormack顯式時間分裂法、 b - l代數渦粘性湍流模型及氫-空氣兩步非平衡化學動力學反應模型，模擬了在不同的飛行馬赫數條件下，固定幾何的雙模態燃燒室在不同供油規律下的二維燃燒流場。 -
Based on the studies of gprs streaming service model, radio access network communication protocol and qos related specification of 3gpp, we discussed the scheme of streaming traffic in ( e ) gprs radio access network, including mainly qos management module such as access control, flow control and scheduling
通過對3gpp中gprs流業務服務模型、無線子網路的通信協議以及qos相關規范的研究，討論了具體流式數據業務傳輸在（ e ） gprs無線接入網路中實現方案，包括接入控制、調度控制和流量控制等主要qos管理控制功能模塊。 -
The optimum operation scheme for different kinds of reactions in mixed flow reactor was put forward with different control strategy by mathematical pattern method. it can be guide to the development design of reaction process
本文採用數學模型方法，以不同控制策略提出了全混流釜式反應器中進行不同類型反應的最優操作方案，可用於指導反應過程的開發設計。 -
Studies on some distribution test systems show the power flow analysis of distribution systems to have the superior performance in terms of solution time and convergence characteristics. the thesis proposes two algorithms for real - time switching control scheme of shunt capacitors
在配電網中布置有許多並聯補償電容器組，它們在網路經濟運行中所起的作用不同和運行現場的技術條件不同，它們的實時運行控制採用不同的控制方式和控制演算法。 -
Three - phase full bridge controlled rectifier, filter circuit and the common loads " mathematics models are built and analyzed. according to the rate of the transition process, the controlled rectification power supply can be classified into fast response and slow response. based on identification of the transition processes using the slope method, the different fuzzy control strategy is adopted. the control method can meet the requirements of real time control and non - error regulation. the simulation results verify its practibility. after that. the design scheme based on dsp is introduced including the design of hardware and software flow chart. emc is an important aspect which can not neglected, so the designs of emc are summarized including hardware and software
根據過渡過程的快慢將可控整流電源系統分為快響應過程和慢響應過程，本文在利用響應曲線斜率法辨以過渡過程的基礎上，分別針對快響應過程和慢響應過程採取了相應的模糊控制策略，以滿足快響應過程要求實時控制，快速跟蹤誤差變化，慢響應過程要求精確定位，無差調節的要求，模擬結果驗證了該方法的有效性，進而分析了用dsp實現該調節器的硬體電路和軟體流程的設計思路。 -
Two network analysis and operation algorithms for balanced radial distribution systems, called forward - backward sweeping method of power flow solution and real - time control of capacitors installed on distribution systems, are presented in this thesis. distribution networks have characteristics such as mesh network on planning and radial networks on operation. the radial topology of distribution networks has been fully exploited such that a systematic branch and node numbering scheme is utilized to achieve storage and computational economy
本文對配電網路中電壓的調整，就電容器投切控制問題進行了深入的研究，在前人研究成果的基礎上，針對配電網路結構特點，提出了採用前推回推法計算配電網路潮流，對配電網路就地補償電容器的控制採用模糊控制技術，對全局優化控制採用逐次線性規劃演算法。 -
Interval routing scheme was introduced to reduce the size of routing tables, multi - dimensional routing scheme is the extension of interval routing scheme and it can represent all shortest paths between each pair of nodes, which turns out to be convenient when problems related to flow control aspects such as fault tolerance and traffic load balancing are considered
區間路由方法是使用簡明路由表的一種路由方案，多維區間路由方法是區間路由方法的擴充，它能夠表示網路中每兩個結點之間所有的最短路徑。當我們需要考慮容錯、通信與計算量的負載平衡問題時，這將是很有用的。 -
A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment
在收集國內外在這一領域內的大量資料的基礎上，通過分析與比較，採用了k -雙方程模型來研究室內氣流的濃度分佈，建立了描寫穩態的三維紊流室內氣流濃度分佈的數學模型，採用控制容積法和冪函數分佈方案來離散微分方程組，按壓力藕合方程的半隱式法（ simple ）演算法，用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序，並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行，並對調試工作做了探討與分析。 -
2. a scheme of instrument fault detection in boiler water level control system is presented based on the parity space method. the processes of the fault detection of instruments of steam flow, feed - water flow, and water level are introduced, the effectiveness of the fault detection scheme presented is shown by the simulation results
（ 2 ）將一致空間演算法（ willsky - chow方法）用在汽包水位三沖量控制系統中，提出了對于汽包水位控制系統的儀表故障進行快速準確檢測的新方法，模擬結果表明該方法能夠快速、準確實現故障的檢測。 -
The five layers of fibre channel define the physical media and transmission rates, encoding scheme, framing protocol and flow control, common services, and the upper level protocol interfaces
光纖通道的五層定義了物理介質和傳輸速度、編碼方式、幀協議和流量控制、公共服務以及上層協議介面。 -
For convenience of grid refinement implementation the nonstaggered grid system based on the structured orthogonal grid scheme is adopted. in order to eliminate the possible pressure wiggles when nonstaggered grid is used, except for the use of the momentum interpolation method ( small wiggles still appear when the method is adopted alone ), a new method is proposed and applied in the same time. in the new method a pressure - gradient difference term is added to the flow velocity in each control volume interface when dealing with the pressure - correction equation
本文基於結構化正交網格，為便於實施網格加密，採用了變量同位存儲的同位網格體系；為平抑該網格體系下的壓力振蕩問題，除採用動量插值方法外（單純採用該方法不能完全平抑振蕩） ，首次提出了在壓力校正方程的界面流速中添加壓力梯度差值項的方法，從而完全解決了建築風場模擬中同位網格下可能出現的不合理壓力場的問題。 -
Overall design scheme, the composition of control system, hardware construction and software control flow are given in detail.,
詳細介紹了總體設計方案、控制系統的組成、硬體結構及軟體控制流程，確立了硬體、軟體的設計原則。
分享友人