point-to-point control 中文意思是什麼

point-to-point control 解釋
點到點控制系統
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators

    此方案將監測點放在後置功率放大器的後面，從分束器中分出99 ： 1的光進入光頻譜掃描模塊，傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。
  4. The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal

    前端數據調制器完成對計算機輸出的控制信號加密處理，將指令碼載送到一指定頻率點。終端收費控制器解調出控制信號，送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號，送入cpu單元后，解出不授權信號，然後向關斷部分送入信號，關斷部分利用pin二極體的寬帶工作能力以及關斷特性，實現對非授權用戶或者非法用戶的信號關斷，使之不能正常收視，繳費用戶進行開通正常收視，達到控制用戶通道的管理。
  5. The basic characteristics of the current data network are point - to - point, connectless, doing one ' s endeavor, no quality of service, etc. these characteristics do not meet the requirement of real - time services, therefore, the realization of voip need support of the some key technology. these technologies includes : speech sound coding and data compression, real - time transmission and control, mute compression and multicast, acoustic - echo cancellation and comfort noise generator, dynamic monitor and guarantee of quality of network service, as well as, the compatible of different network and different protocol with each other

    但現有的數據網路的基本特性：點對點的、無連接的、盡力而為的、沒有服務質量保證等特性並不適合與實時的業務要求，因此voip的實現需要一些關鍵技術的支持，這些技術包括：語音編碼和壓縮技術、實時傳輸和控制技術、組播技術、靜音壓縮和舒適噪聲生成技術、回聲消除技術、網路服務質量的動態監測和保證技術、以及不同的網路、不同的協議之間的互連互通等等。
  6. There were many researches focusing on point - to - point congestion control based on tcp. studies of congestion control in multicast are still in experiment phase. hardly is there any congestion avoidance control used in most multicast applications

    目前，對基於tcp協議點對點傳輸模式中的擁塞控制研究較多，而組播中的擁塞控制的研究還處于實驗研究階段，大多數基於組播的應用還沒有一種合適的擁塞控制機制或完全沒有採用擁塞控制。
  7. 2 mechanical volume control damper shall be available at each exhaust point to enable easy balancing

    每個排氣點上由機械控制閥門來保持氣壓平衡。
  8. It is to point to tap water, pumping station, sewage disposal, change the report, building that burns the municipal and public facilities such as processing of gas, heat addition, rubbish, environmental sanitation, public toilet, funeral and interment, fire control

    是指自來水、泵站、污水處理、變電、燃氣、供熱、垃圾處理、環衛、公廁、殯葬、消防等市政公用設施的房屋。
  9. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進，對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求，鑒於此，本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。
  10. Point - to - point control

    點對點控制點位控制
  11. The other one is pppoe ( point - to - point protocol over ethernet ), which is fit for adsl ( asymmetric digital subscriber line ) users. we succeeded in the control of the switch ports and the traffic accounting under dhcp mode, and in the user ' s authentication, authorization and accounting under pppoe mode

    本文給出了在寬帶網上採用radius （遠程撥號用戶認證服務）協議結合pppoe （以太網上的點對點協議）實現用戶鑒別、授權和計費管理的解決方案和實現方法。
  12. In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors

    本文以永磁同步電動機為研究對象，分別對同步電動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究，研究中採用了電流滯環控制方法，可有效地限制過電流現象；此外採用磁鏈跟蹤法對位置開環和位置閉環的步進控制系統分別進行了探討與研究，研究表明，採用矢量細分后，可有效地減小電流波動。
  13. In this paper, based on the 2 high precision cnc dividing head, a human - like inteligent control scheme is proposed for point - to - point control system

    摘要針對我們所研製的2高精度數控分度頭提出了一種用於點位控制的仿人智能控制方法。
  14. The appearance of electropneumtic proportional / servo control methods. which has developed the pneumatic system from traditional point - to - point control way to servo control way, greatly widen the application area of pneumatic system

    電-氣比例伺服控制技術的出現，使氣動系統從傳統的點位控制向伺服控制過渡，大大拓展了氣動技術的應用領域。
  15. The topic is from the national " 973 " project " the new principles and methods of high - performance electronic components of digital product design manufacturing ". closely combing with the high - speed high - precision planar parallel position robot developed by the project, we have carried out a deep research on robot control system architecture, time - optimal control algorithm and servo system control algorithm, achieving high - speed and high - precision point to point control and trajectory tracking control

    本課題來源於國家「 973 」計劃項目「高性能電子產品設計製造精微化數字化新原理和新方法」 ，密切結合該項目所開發的高速高精度平面並聯定位機構，對機器人控制系統體系結構、時間最優控制演算法以及伺服系統控制演算法進行了深入的研究，實現了高速度、高精度的點位控制和軌跡跟蹤控制效果。
  16. Point - to - point control system

    點到點控制系統
  17. Interfaces and basic data link control procedures for serial measurement data communication ; start - stop - transmission, point - to - point connection

    串列測量數據通信用介面和基本數據鏈接控製程序.第1
  18. Interface and basic data link control procedures for data communication ; balanced interface for start - stop transmission using basic data link control procedures on point - to - point connection

    數據通信介面和基本數據鏈路控製程序.用點對點連接方
  19. Networked control system ( ncs ), i. e. network - based control system, is a control system architecture in which all control system components are connected together to build feedback control loops by a real - time network. compared with traditional centralized point - to - point control systems, networked control systems provide several advantages such as reduction of wiring and cost, easy installation and maintenance, high reliability and flexibility

    基於網路的控制系統（ network - basedcontrolsystem ， ncs ）又稱網路控制系統（ networkedcontrolsystem ） ，就是在現實的分散式控制需求和網路通信技術發展的推動下產生的一種新型的控制系統體系。
  20. This thesis analyzes the differentiated service architecture and studies its control mechanisms of realizing ip qos, including packet marking policy, queue scheduling algorithm and packet dropping mechanism etc. after that a diffserv simulation platform is built using the improved diffserv model in ns2 ( network simulation 2 ) developed by u. c. berkeley and simulations have been done on it, which shows that the platform, can service different traffic flows and provide a better solution for realizing point - to - point ip qos. this thesis studies the control mechanisms of realizing ip qos in diffserv and does research work as below : firstly, this thesis studies the packet marking policies

    本文通過分析區分服務（ diffserv ）模型的體系結構，研究其實現ipqos的各種控制策略，包括分組標記策略、隊列調度演算法及擁塞時的分組丟棄機制等，利用加州大學伯克萊分校的ns2作為模擬工具，對其已有的區分服務模塊進行了改進和完善，搭建了區分服務模擬實驗平臺，並在該平臺上進行模擬測試，實現了對具有不同qos請求的業務流的區分服務，為實現端到端的ipqos提供了更好的解決方案。
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