數字鏈式 的英文怎麼說

中文拼音 [shǔzìliànshì]
數字鏈式 英文
digital chain system
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 鏈 : Ⅰ名詞1. （鏈子） chain Ⅱ動詞（用鏈栓住） chain; enchain Ⅲ量詞（計量海洋上距離的長度單位） cable length
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  1. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究，探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題，並針對bp演算法的缺陷提出了和實現了改進型bp演算法，使網路學習效率提高，對不同人的不同字型字體有較強的魯棒性，採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。
  2. Isdn data link layer specification for frame mode bearer services

    綜合業務數字網幀模式承載業務數據鏈路層規范
  3. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。
  4. Project 25 - link control word formats and messages - new technology standards project - digital radio technical standards

    項目25 .鏈路控制字碼格式和消息.新技術標準項目.數字無線電技術標準
  5. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  6. One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet

    電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用，它將電視事業帶入一個新的高速發展時期，以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點，不僅將圖像聲音和文字等信息數字化，而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態，特別是其採用了數字信息在線廣播方式，觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。
  7. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  8. The relations between the mode frequency, static characteristic and the framework parameters are studied. a two dimension crossed symmetric cantilever flexure hinge is investigated using finite elements method. the simulation of the mode frequency and the study of the relation between the displacements and the stress indicate that this flexure hinge has good flexibility and linearity between the displacement and the maximum stress

    研究了二維復合式懸臂梁柔性鉸鏈模態頻率、靜態特性與鉸鏈結構參數之間的關系；建立了結構參數和力學特性西北工業大學博士論文之間的對應關系;研究了基於復合式懸臂梁柔性鉸鏈的二維十字對稱柔性鉸鏈結構，對其模態頻率以及位移應力特性進行模擬試驗;結果表明此種結構形式的運動對稱性很好;其驅動位移與結構體最大拉壓應力值之間接近線性關系，而且這種結構可以得到100林m以上的運動位移。
  9. Designing a dll to offer function interfaces of images display, and functions of modifying system display, switching window mode to full screen, appending titles. according as directdraw surface type : overlay and off - screen, bring forward overlay project and off - screen project

    最後成果是提交一個動態鏈接庫，提供衛星圖像快視所需的顯示函數介面，以及擴展出的修改系統顯示設置、窗口模式到全屏模式的切換、全屏時疊加字幕的函數介面。
  10. Hardware design uses high - speed digital signal processor tms320lf2407a as the key control part. software design adopts hexagon stator flux scheme and round stator flux scheme respectively. after the system is set up, the direct torque control method is realized for a 0. 12kw winding asynchronous motor

    最後根據以上的討論和實際應用中的情況，分別採用六邊形磁鏈方案和圓形磁鏈方案，以高速數字信號處理器ths320lf2407a作為核心控制部件，在一臺0 . 12kw的繞線式異步電機上實現了異步電機直接轉矩控制。
  11. Electromagnetic compatibility and radio spectrum matters - vhf air - ground digital link mode 2 - technical characteristics and methods of measurement for ground - based equipment - part 1 : physical layer and mac sub - layer v1. 2. 1

    電磁兼容性和無線電頻譜情況. vhf地空數字鏈接模式2 .地面設備的技術特點和測量方法.第1部分:物理層和mac子層
  12. The major tasks include : ( 1 ) expand the schema theorem for ga. the schema theorem with binary coding advanced by professor holland is expanded to limited integer, letter, floating point numbers the number of which value is limited, and their hybrid coding. ( 2 ) put forward replacing by the excellent chromosome ga ( recga ), superiority colony first ga ( scfga ) and improve the ga ; ( 3 ) make probability convergence analysis of recga using the theory of markov chain, random process ; ( 4 ) make convergence analysis of scfga using the principle of contractive mapping in functional analysis theory ; ( 5 ) design the test programs ( cap ) to resolve np problems ( course arrangement ) with gas ; based on recga, modify the arithmetic and then conduct tests

    主要有以下幾方面工作： （ 1 ）將二進制編碼遺傳演算法的模式定理擴展到由有限整數、字母或取值個數有限的浮點數編碼，或它們混合編碼的遺傳演算法范圍； （ 2 ）提出最佳個體替換策略遺傳演算法（ recga ） 、優勢群體優先策略遺傳演算法（ scfga ） ，對遺傳演算法進行改進； （ 3 ）使用隨機過程理論markov鏈對recga進行了收斂性分析； （ 4 ）使用泛函分析理論壓縮映射原理對scfga進行了收斂性分析； （ 5 ）使用遺傳演算法設計了解決np類問題（排課問題）的測試程序（ cap ） ，並根據recga對演算法進行改進並進行測試。
  13. It describes the instruction procedure with computer programs, in the meantime, using the key techenology of multimedia interactivity, hyper text and ole ( object linking and embedding ) the base of the instrument analysis instructional software is according to teaching book of analytical chemistry ( 4th version, edited by yuqing sun ), including basic theory, brief summary ? exercises, and experiment

    多媒體即多種信息的載體如數字、文字、聲音、圖形、圖像、動畫等。多媒體教學軟體的開發屬于計算機輔助教學（ cai : computerassistedinstruction ）的一部分，計算機輔助教學就是把教學過程用計算機程序進行描述，同時，引入多媒體素材的集成與交互控制、超文本鏈接方式、嵌入與鏈接等關鍵技術。
  14. Associating java card applet with dll, pkcs # 11 standard interface is realized. the real functions of cryptoapi standard interface is in a csp ( cryptographic service provider ). also, csp is materialized using java card applet, dll and digital signature file

    論文以javacardapplet與動態鏈接庫相結合的形式編碼實現了pkcs # 11標準介面;以javacardapplet 、動態鏈接庫和數字簽名文件結合的方式編碼實現了cryptoapi標準介面所要求的密碼服務提供者csp （ cryptographicserviceprovider ） 。
  15. Display page numbers as links - this asp example demonstrates how to form a series of page numbers as the links

    這個asp示常式序演示了如何形成一系列的頁面數字來作為鏈接。
  16. First, utilizing many advanced management technologies, such as business process reengineering, supply chain management, this paper gives reform to material management process as well as customer service process, flattens the " pyramid " type organization structure of company, and puts forward detailed improving measurements for the material requirement forecast and purchase management. then, this paper offers classification for inventory material into abc three groups, amends the mathematical model of classic eoq on the basis of company ' s actual condition, and calculates the main parameter of inventory control. finally, this paper makes economical benefits analysis for the improving results

    第三部分為解決方案和改進措施，首先用業務流程重組的基本原理，對企業經營影響較大的物料管理和客戶服務實行流程化管理變革，盡量使公司「金字塔」式的組織結構扁平化，並用供應鏈環境下的物料管理等先進的管理方法和技術，對公司的物料需求預測和采購管理提出了具體的改進措施；其次將abc分類控製法引入公司的庫存管理工作，以經典的允許缺貨、生產時間很短的eoq模型為基礎，根據公司的實際情況對此數學模型進行了修正，並對主要的庫存控制參數進行了計算；最後對改進的效果進行了經濟效益分析。
  17. This thesis adopts 8psk / qpsk modulation mode that ' s widely applied in short - wave communication to research all - digital blind receiver in burst mode based on software radio technology. then related solutions are given for the doppler frequency shift problem and multiple fading problem in short - wave channels. the arrangement of the thesis is below : chapter 1 gives brief description for the new technology and new systems of short - wave communication and for the development and appliance of software radio

    本文採用短波通信中應用廣泛的8psk qpsk調制方式，研究基於軟體無線電技術的突發模式全數字盲接收機，並對多音并行及慢速傳輸中存在的多譜勒大頻偏問題、單音串列、高速數傳時在短波通信鏈路中發生的干涉衰落問題做了研究，提出了相應的解決方案。
分享友人
分享到 Line

分享到臉書