步進切換 的英文怎麼說

中文拼音 [bùjìnqiēhuàn]
步進切換 英文
progressive stswitching
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 進 : 進構詞成分。
  • 切 : 切Ⅰ動詞1 （合; 符合） correspond to; be close to 2 （用在反切后頭 表示前兩個字是注音用的反切）見 ...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
  1. At first, according to the needs of economic development at present, we should take measure to improve the current budget accounting system ; then, with the reform the classification setup of government revenue and outlay, we should make great effort to establish the government financial accounting system in the future. our government accounting and financial reports can be improved by adopting the good practice in public sector accounting and financial reporting around the world and the successful experience in the reformation of china " s enterprise accounting and financial reports

    在具體改革步驟上，我認為可以分兩步走，首先，在近期根據經濟發展和財政管理改革的需要，針對當前迫切需要解決的問題，對現行的預算會計制度採取必要的改進措施；然後，在經濟體制和財政管理制度不斷深化改革的過程中，努力創造條件，推進預算會計制度向比較規范的政府會計制度轉換，建立符合社會主義市場經濟體制要求的，與國際慣例相一致的中國政府會計制度。
  2. The instantaneous torque measurement system has been improved, which uses slip ring to transmit signal, improved measuring accuracy and stability, the mechanism of occurring of instantaneous maximum torque has been understood during changeover of the main engine

    改進了集流環傳輸信號的瞬時扭矩測量系統，提高了測量精度和穩定性，進一步認清了在主機切換過程中瞬時扭矩的極大值產生的機理。
  3. Based on the degree of urgency of going into graceful ospf restart, the reason of graceful ospf restart is divided into software - restart and hardware - restart, and the way of graceful ospf restart is divided into pre - restart mode and post - restart mode accordingly. after the compare with the traditional ospf realization method and the analysis on the mechanism of the trigger of graceful ospf restart and synchronization of link state database and the exchanging with the route management module ( rtm ), it is figured out that how to choose the restart mode and how to switch from pre - restart mode to post - restart mode, and how to synchronize the link state database, and how to define the interface and process flow exchanging with protocol supporting module, and how to deal with the forwarding table on the condition of multiple route protocols who also have the capability of graceful restart. finally, the idea of graceful ospf restart with two modes above was realized in the t series routers that belong to a telecommunication corporation

    本文首先找出了引起溫和重啟的各種原因，然後根據溫和重啟的緊迫程度，提出把溫和重啟的原因分為硬重啟與軟重啟，並設計相應的前啟動模式與后啟動模式;結合傳統ospf協議的實現方法，通過對其觸發機制、數據庫同步機制、與支撐模塊的交互機制以及多協議同時重啟時路由同步機制的分析，解決了在溫和重啟過程中啟動模式如何選擇與切換、數據庫如何同步、與協議支撐介面如何定義與交互的問題，並揭示出在多協議同時進行溫和重啟過程中所必須遵循的一般規律，最終在一個通訊企業的t系列路由器上實現了兩種模式下基於ospf協議的溫和重啟。
  4. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  5. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較，篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案，確定了準同步采樣的方案，並通過對準同步采樣誤差的分析，提出了一種從45開始采樣，從而提高精度的采樣數據處理辦法，同時，對于電流互感器相位漂移提出了一種補償辦法，接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析，其中對于無功補償採用y混合接線，並利用交流接觸器和固態開關共同投切電容，不但提高了經濟運行水平、改善了電能質量，而且有效的避免了頻繁更換開關，減少了經濟損失；最後，設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  6. Although the tsot heat exchanger has been successfully applied in the realm of heat - recovery in industrial boilers and furnaces, the mechanisms of tsot and its effects of some elements on its heat transfer features are unknown. reports about the tsot research have seldom seen. so it is not only urgent but also important to do some investigations on tost to enrich the heat pipe theory and guide engineering design

    由側端切向開漩流孔的半開式熱虹吸管製成的熱管換熱器已在工業鍋爐、窯爐中初步得到成功應用，但對其內部的機理和有關影響因素尚不十分清楚，在國內、國外文獻資料中對該種熱管的相關研究資料的報道也較少，因此，迫切需要進行相應的研究，以豐富熱管理論並指導工程設計。
  7. For a matrix, the number of rf relays and cables required to construct a given switching system ( and therefore, its cost ) is geometrically relatted to the number of system inputs and outputs

    對于矩陣，構建特定的切換系統所需的rf繼電器及電纜數量（進一步說，所需的費用）與系統的輸入和輸出數量成幾何關系。
  8. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  9. This paper makes the feasibility design and study of the dtc ( direct torque control ) system based on analyzing some important parts, such as the arithmetic model of asynchronous motor in - coordinates, the choice of voltage vectors, and flux - linkages models, etc. the research work in this paper is described as follows : 1 analyzing of the dtc theory : material about the development and theory of dtc, the composing of dtc - system are presented in this paper

    本文在詳細分析了定子坐標系下的異步電動機數學模型、電壓空間矢量和磁鏈觀測器的基礎上，利用直接轉矩控制技術，構建了基於dsp的直接轉矩控制系統。論文的主要工作包括以下三個方面： 1直接轉矩理論分析研究：針對直接轉矩控制理論在低速范圍轉矩觀測器和轉速波動等問題，採取了滯環模式切換，矢量細分等改進措施。
  10. So to develop a new type of transformer calibrator which has the high precision and the high degree of automation is significative. for the outdated transformer calibrator is widely used, this paper analyzed the theory of previous calibrators and proposed an idea of designing a new type of intelligent calibrator, based on the theory of measure the difference, adopt the project of dsp and mcu structure, also use high speed a / d electric chip. after the design of hardware circuit diagram, adopt the theory of fft and quasi - synchronous sampling method to reach the demand of precision. this paper discuss the intelligent development of transformer calibrator, achieve some success in the study

    本文針對國內市場目前普遍使用的老式互感器校驗儀的現狀，提出了智能型互感器校驗的研製思想，並詳細講述了其理論依據和實現過程，提出了切實可行的方案：基於測差測量原理，進行基於dsp和mcu雙cpu架構、並採用高速a / d的硬體電路設計，並在此基礎上採用快速傅立葉變換和準同步采樣演算法，並完成相關的軟體演算法框圖設計，對互感器校驗儀的智能化發展進行了有益的探索，取得了具有實用意義的成果。
  11. The protection must be disabled before switch and be enabled after switch and it is easy to cause the differential protection misoperation

    在進行電流、電壓迴路切換時必須先退保護，切換完畢后再投入保護，操作步驟煩瑣，容易造成差動保護的誤動。
  12. This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load

    本文提出了一種基於獨立正弦波逆變器的功能之上復合其他功能而成的多功能通用逆變電源系統的實現方法，此系統不僅可以作為獨立逆變電源使用，還可以與電網電壓的相位同步，作為后備式正弦波ups使用，在逆變電源和電網的相互切換時能做到對負載無影響，同時還可以由三臺逆變器進行組合自同步實現三相對稱交流輸出，實驗證明這種方式具有較強的抗三相不平衡負載的能力。
  13. Fixed processes are suitable only for system server processes such as the file server, window server etc. since the majority of context switches involve these processes

    固化進程只適用於系統服務進程，例如文件服務，窗口服務等。因為絕大多數的上下文切換都包括了三個步驟。
  14. Beginning with the equivalence principal, two types of near - field to far - field ( nfff ) transformation s are discussed systematically, i. e. frequency - domain nfff ( fd - nfff ) and time - domain nfff ( td - nfff ). in td - nfff transformation, the concurrent - processing approach is used, where the contributions to far - field from the tangential electric current and magnetic current on the equivalence surface are calculated " on - the - fly " in step with the fdtd simulation. as a result, it is not necessary to store the tangential current components for every equivalence surface at every time step, and therefore reduce considerably computer storage required for the td - nfff transformation

    在理論部分，本文從電磁場的等效原理出發，系統、詳盡地論述了頻域和時域近遠場變換的基本思想，在時域近遠場變換中採用實時的變換方法，即每進行一個時間步的迭代，就計算一次等效面上該時間步的切向電流和切向磁流對遠場各方向的貢獻，這樣就使時域近遠場變換不需要儲存等效面上每一個時間步的切向電流和切向磁流，大大減小由於近遠場變換而增加的計算機內存需要量。
  15. The study shows that this control approach can overcome those shortages of the methods which are adopted to control voltage and reactive power in substation nowadays, it can hold the voltage level in the regular bound and maintain the balance of reactive power in substation to the greatest extent, and it have the ability to seek the best solution. adopting this methods, the switching times of loaded taps and capacitors can be decreased efficiently and advance the running life - span of the transformer and capacitors and improve the economy benefits. this control approach is a advanced way ii and it is worth to study more and utilize

    利用模糊神經網路對較好地實現對變電站的電壓、無功自動控制，能克服了目前在變電站電壓無功控制中普遍運用的分區方法存在的不足之處，不但可保持變電站電壓在合格的范圍內，盡量維持無功功率平衡，而且具有較好的尋優能力，有效減少變壓器有載調壓開關的切換次數和電容器組的投切次數，提高了變壓器和電容器的運行壽命，提高了經濟效益，是一種值得進一步探索和運用的較為先進的方法。
  16. This thesis specific research and implementation includes : analyzing the implementation of mobile ip functional entities, which include home agent, foreign agent and mobile node, furthermore, analyzing the handoff process, latency based on mobile ip, and data link layer triggers and the acquiring methods available in wlan

    論文具體研究和實現工作主要包括以下幾個方面:具體分析了移動ip的三個功能實體的實現過程。並進一步分析了wlan環境中移動ip的切換過程、時延、鏈路層可用的觸發消息及獲取方式。
  17. Communications icc2005, rm 16 - 20 may, 2005, 4 : 2769 - 2773. 12 johnson d, perkins c, arkko j. mobility support in ipv6. ietf rfc 3775, june 2004

    該演算法可以表徵節點運動速度對切換的影響，提高對切換觸發時機的準確判斷，從而在避免乒乓效應下的情況下，進一步提高服務質量。
  18. The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low - frequency vibration of the stepping motor was reduced and the high - frequency torque was increased

    該驅動器採用高、低壓電源自動切換供電技術和恆流斬波驅動方式，降低了步進電動機的低頻振蕩，提高了步進電動機的高頻力矩。
  19. Because the distributed - satellite sar system can offer more baseline results, we can raise potential function further and with change or increase the new unit in the multitudinous group, we can support the special adaptation, existence ability and function promotion

    分散式衛星組合還可提供更長的投影基線（有效基線）和更多的投影基線（有效基線）組合，進一步提高潛在性能，還可通過切換或增加群聚組合中的新單元，支持特有的自適應性，生存能力和功能提升。
  20. We also suggest a modified flow price to make a further progress in delay performance for ixev - do system. last we talk about the upgrade of existing system and compare two deployment scenarios, and emphasize the handoff between the ix and ixev - do system

    本文最後對1x網路的建網方案、基站配置、基站設置和覆蓋能力進行了探討，並進一步分析了1x網路與1xev - do網路之間的切換問題。
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