核心字型 的英文怎麼說

中文拼音 [héxīnzìxíng]
核心字型 英文
core fonts for the web
  • 核 : 核構詞成分。
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 核心 : core; kernel; kern; heart; centre; elite; nucleus
  • 字型 : computer font
  1. Owing to its excellent adaptability to large angle - displacement between two transmission shafts and other characteristics such as large transmission ratio, terse mechanism, high transmission efficiency, cardan cross - pin spindles has been widely used as an important mechanical part in transport machines, metallurgy machines, petrolic machines, heavy machines, etc. as an effective and promising approach to resolve complicated development of modern software, component - based development ( cbd ) is put forward to change the present way of software development by producing software through assembling ready software components and its final target is to realize the industrialization of software development totally

    十字軸式萬向聯軸器能夠很好地適應傳動軸間的較大角位移，而且具有傳遞扭矩范圍大、結構緊湊、傳動效率高、維修保養方便等特點，是一種重要的傳動部件，因此在交通運輸、冶金、重型機械等領域中得到廣泛應用。基於組件的開發是近幾年發展並日益成熟起來的一種軟體開發新方法，其核心思想是以流水線方式、通過組裝組件生產軟體，從而容易實現軟體開發的工業化。
  2. Vvvf door controller frequency converter makes lift door installation easier and more convenient as its control center is the internationally advanced engineering 16 digital micro computer and it operates with the fully digital spwm modulation techniques, with igbt module as the output power drive and with voltage, current and speed under fully digital closed circuit control ( the door controller ' s operation parameters are inputted by means of the keyboard )

    Vvvf控制門機變頻器採用當今國際上先進的工控16位微型計算機為控制核心，採用了全數字spwm調制技術， igbt模塊作輸出功率驅動，電壓、電流、速度全數字閉環控制（門機的運行參數均可通過鍵盤設置輸入） ，從而，使門機的安裝調試更加簡單，方便。
  3. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  4. Being associated with the project " the development of numerical process planning integration platform faced the agility manufacture ", which is sponsored by sichuan province, this dissertation puts forward that the application of pdm for middle - small manufacturing enterprises should make edm be the kernel matter. the system structure and the application method are proposed based on the pdm principle

    本文結合四川省重點攻關項目「面向敏捷製造的數字化工藝集成平臺的開發」的研究，利用pdm的思想方法，提出了中小型製造企業實施pdm應以工程圖文檔管理為核心內容，構建了中小型製造企業實施pdm的方法及其總體框架。
  5. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源濾波器的控制系統、諧波檢測方法及控制原理、數字低通濾波器和pwm信號的產生，在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾波器硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。
  6. On core service, we implement an access control strategy based on role, digital signature and encryption / decryption of soap message by using usbkey hardware, stateful web service through extending simple object access protocol ( soap ), and a kind of log management based on rank. on transport adaptering, we implement mechanisms for priority - based transmitting and rules - based transmitting, and implement a transport adapter based on http request / response model. finally, on service adaptering, we discuss two service wrapper mechanisms : runtime wrapper mechanism and factory method wrapper mechanism, which can be used to encapsulate difference of various web service containers, and implement a service adapter

    在核心服務方面，通過擴展簡單對象訪問協議（ simpleobjectaccessprotocol ， soap ）實現有狀態的web服務，然後討論了基於角色的訪問控制與基於usbkey盤的soap消息的數字簽名與加密的實現、基於分級的日誌處理模型的實現;在傳輸適配方面，實現了基於優先級和基於規則的消息轉發機制，實現了基於http請求/響應模型的傳輸適配器;在服務適配方面，討論了兩種服務的封裝機制:運行時封裝機制與工廠方法封裝機制，結合這兩種機制並對服務適配器做了實現。
  7. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。
  8. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後，實際研製了一套以dsp （高速數字信號處理器）和ipm （智能功率模塊）為核心的小功率混合型有源濾波裝置，在交交變頻acem實驗平臺上進行了全面的實驗研究，充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性，從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。
  9. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。
  10. As the key of the sample injection, a digital control instrument of mass flow controller ( mfc ), which can work in online and offline mode, was designed. it can give 4 flow signals accurately at the same time. the concentration and flux of the sample gas can be set by the instrument software

    進樣裝置的核心是自行設計開發的新型流量控制儀，該儀器採用數字介面，可以以聯機和脫機方式工作，能夠同時快速準確地輸出4路流量控制信號，對測試氣體的流量和濃度進行設定。
  11. The core contents of digital power transmission network are to build the true three dimension scene of objective region, to search for the transmission equipments and to operate them in the scene interactively. according to the two main kinds of three dimension digital models ( earth surface model and transmission equipment model ), this thesis describes a simplifying method depended on view - point : it accomplishes displaying and flying over a large area of true earth surface with level of detail model based on block - binary tree. and it realizes " the efficient display of abundant data of equipment models and interactive management by the method of combination of models and images

    構建目標區域的真實三維場景，並在場景中對輸電設備進行查詢和交互操作是數字輸電網路的核心內容，本文針對數字平臺中兩種主要的三維數據模型? ?地表模型及輸電設備模型提出了基於視點的簡化方法：用塊? ?二叉樹結構的動態細節層次模型解決了大區域真實地形的顯示及漫遊方法；用失柵結合的方式實現了對海量設備模型數據的高效顯示及交互管理的功能。
  12. The thesis is organized as below : in chapter 1, the background knowledge is given which is needed for study on bluetooth security mechanism and implementation. first bluetooth technology is overviewed including its develop history, radio interface, physical links, interference, network topology, core protocol, etc. next communication security is introduced according to the model of network security architecture from osi. finally some primary cryptographic techniques are discussed based on symmetric encryption, asymmetric encryption and advanced encryption standard published years ago

    本文研究了利用藍牙技術提供各種安全服務和實現的課題，並通過一些具體實現的實例進行闡述，具體安排如下：在第一部分，本文首先回顧了藍牙技術及發展情況，主要包括藍牙發展簡史、藍牙標準的射頻介面、物理鏈路、干擾情況、網路拓撲結構以及核心協議等；然後介紹了通信安全的基礎知識，討論了osi系統中的四層網路安全結構模型；最後給出了各種加密技術的基本理論，包括對稱加密體制如des和blowfish 、非對稱加密體制（ rsa公鑰演算法、數字簽名和身份證明等）以及新一代的高級加密標準（ advancedencryptionstandard ， aes ）等。
  13. Topographical maps are the principal frame form of gis, and realization map digitizing and offering gis basic spatial data is one of the important research fields in surveying and gis, which is also necessity of development of science and technology. based on building gis - oriented topographical mapping system theories, this themes apply the advanced objectarx technology, aim at topographical mapping and exporting to gis, and resolve several key problems, such as symbols analysis and building, dtm and contour line automatic drawing, topographical map adjoining, digital image rectifying etc. and it offers models and arithmetic, realizing the general functions of gis - oriented topographical mapping system

    本文以建設面向gis的測量繪圖平臺理論為基礎，以autocad平臺下objectarx開發技術為核心，圍繞地形圖的成圖和入庫（ gis數據庫）這一課題，對其中的關鍵技術難題? ?符號庫的建立與實現、 dtm與等高線的自動繪制、地形圖接邊、數字化柵格圖像的定向與糾正、介面數據文件的生成等進行了研究分析，提出了相應的模型和演算法，實現了面向gis的測量繪圖系統的基本功能。
  14. 2 ) we put up the experiments mainly based on the cpld for the faults emulation on some typical digital circuits. and we built the transition function databases according to the faulty testing results

    2 、以cpld為核心進行了一些典型數字電路的故障模擬模擬試驗，建立被測電路的狀態轉移函數集，為進一步研究電路的可測試性和故障診斷提供了數據。
  15. Abstract : the paper analysis control requires of the axial - flow compressor. in order to protect axial - flow compressor from the surging, using the programming single - loop adjuster ( its kernel is a microprocessor ) as the adjuster, comparing with the traditional analogy / digital adjusters, can make the system much simpler, more functional and more reliable

    文摘:分析了軸流壓縮機工況的控制要求和控制方案.採用了以微處理器為核心的智能儀表? ?可編程型單迴路調節器作為控制調節裝置，與傳統的模擬/數字調節器和繼電器開關組合的方式比較，系統構成簡單，控制功能強，可靠性高，為實現軸流壓縮機防喘振控制提供了一種集約式設計方案
  16. ( 3 ) we put up the experiments for the faults emulation on some digital signal circuits. these experiments were mainly based on the cpld / fpga and we built the testing faulty databases according to these circuits

    （ 3 ）以可編程邏輯器件為核心進行了一些典型數字電路的故障模擬模擬試驗，並建立相應的電路故障測試集數據庫，為這些電路的可測試性研究提供數據。
  17. According to the tracking principle being exploited, we make the simulation plan and flow chart, and emphasis on discussing the facts that the tracking receiver in antenna systems affects the capturing and tracking systems. the data simulation model of the tracking receiver is built up. using matlab simulation, we verify the fact, investigate the accuracy factors and finally conclude all in practice

    在自動跟蹤系統中，跟蹤接收機作為核心控制單元，根據所採用的跟蹤方式的原理，制訂模擬方案，確定模擬流程，重點討論了天線系統跟蹤接收機性能對捕獲跟蹤系統的影響，研究並建立了跟蹤接收的數字模擬模型，通過matlab模擬軟體系統進行了模擬分析和驗證，研究了各種參數對系統精度的影響，得到了有實用價值的結果。
  18. This paper is about of arithmetic studys of triangulated irregular network which is published in abroad and home, and alter an arithmetic of delaunay triangulation using a uniform grid which was present by tsung - pao fang and les a. piegl of university of south florida. in this paper i present implementation details, test, examples of the arithmetic, moreover. a triangulated irregular network model of is built for geochemistry

    本文在前人研究的基礎上，探討和研究了國內外的不規則三角網生成演算法，通過理論和實驗選擇了tsung - paofang和les . piegl提出的delaunay三角網生成演算法作為數字地面模型的核心演算法，並對該演算法進行了改進和優化。
  19. The antenna driver is the key part of the secondary planet system. in this paper full - digital ac - servo control system based on dsp ( digital signal processor ) is adopted to control antenna rotating, which improves greatly system reliabity and stability

    本文就是為解決某型號衛星天線的穩定旋轉而專門設計的以電機專用控制晶元dsp為控制核心的全數字化交流伺服驅動系統，從而極大提高整個系統轉速穩定度和可靠性。
  20. On the bases of detailing the control theory and circuit of dc - ac converter, this paper introduces the fuzzy logic theory into the control of the digital pwm converter. in order to realize the control strategy, intel high performance micro controller 80c196kc, the kernel of the intelligent controller are purposed

    本文在討論逆變器控制理論和控制電路的基礎上，將模糊控制理論引入到數字式pwm型逆變器的控制中，設計了以80c196kc為核心的智能控制器，用新型的基於eprom存儲的pwm電路給予實現的硬體電路。
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