basic speed 中文意思是什麼

basic speed 解釋
基本速度
  • basic : adj 1 基礎的,基本的,根本的。2 【化學】堿性的,堿式的。3 【礦物】基性的,含少量硅酸的。4 【軍事...
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  1. On the running theory of electrical power ergograph and the basic control theory basis, this paper expatiate on the mathematic model and modulating speed of ergograph, and expounds the principle and ways of design of hardware and software for measure and control system, and describes the hardware and software with some frames and interfaces, and importantly recommends the way of designing software

    本文根據電力測功機的工作原理和控制理論基礎,主要闡述了測功機的數學模型和調速原理以及整個測控系統的硬體和軟體設計的原理和方法,並輔助框圖和界面對軟硬體進行了詳細描述,重點介紹了系統軟體的設計。
  2. The familiar defects of powerful spinning have been listed, such as crack, rising skin, gluing knot, piling, speed bulge, the wound inside the wall, expanding etc. with analysis of the cause and probing into treatments according to the basic fondant and spinning craft parameters

    摘要列舉了強力旋壓常見缺陷,例如裂紋、起皮、堆積、粘結、鼓包、內壁劃傷、擴徑等,分析了產生的原因,針對坯料和旋壓工藝參數,簡要探討了應對措施。
  3. In the end, this thesis accomplish the social benefit estimation of the speed acceleration of railway, by using the basic mind and method of mistiness system. the speed accerleration of railway that the thesis have mentioned are the four big accerlerations the railway station have made during 1997and 2001

    最後,利用上述關于模糊系統社會效益評價的基本思路和方法,本文完成了我國鐵路提速(本文特指1997 2001年間進行的四次大提速)社會效益的評價。在界定鐵路提速社會效益的概念后,根據指標選取原則選擇指標,並建立指標體系。
  4. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用,有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象,研究了防護林體系對「沙」 、 「塵」的降解作用,得出以下結論: ( 1 )在距離地表0 - 40cm范圍內,同一風速下生長有天然固沙植物,植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  5. In the proposed join algorithms, although some algorithms such as mpmgin algorithm [ 23 ], outperform standard rdbms join algorithms, they perform a lot of unnecessary computation and i / o for matching basic structural relationships, especially in the case of parent - child relationships ; other algorithms such as the stack - tree - desc algorithm [ 24 ], represent the state - of - the - art in structural joins, however, they do not utilize indexed structures but sequentially scan the input lists. thus, i / o ' s can be wasted for scanning element that do not participate in the join, and join speed can be influenced

    另外,在所提出的演算法中,盡管有的演算法,如mpmgjn演算法[ 23 ]優于標準的rdbms連接演算法,但是該演算法為匹配基本的結構關系,特別是在父子關系情況下,執行了大量不必要的計算和佔用了大量的i / o資源;有的演算法雖然代表了結構連接演算法的先進水平,如stack - tree - desc [ 24 ]連接演算法,但是它沒有利用索引結構而是順序瀏覽輸入列表。
  6. The experimental results show that the cycle of the mother liquid increases the yield of the product, the seed crystal can improve long - diameter ratio remarkably, the proper additive reduces the speed of crystal growth and make size distribution homogenize. through appending different seed crystal and bivalent lead at one time, we may receive when the content of the seed crystal is 0. 075 % and pb2 + is 20 - 50ppm, the yield of the basic magnesium chloride whisker is high and crystal shape is good. the surface active agent can improve dispersion performance of the basic magnesium chloride whisker

    研究結果表明:母液循環可以提高堿式氯化鎂晶須的產率;添加晶種可明顯的改善晶形;合適的添加劑可以降低晶體生長速度並可提高晶須的粒徑分佈;而同時加入不同用量的晶種和pb ~ ( 2 + ) ,試驗結果表明晶種含量在0 . 075 , pb ~ ( 2 + )在20 50ppm時,晶須的產率高,晶形好;表面活性劑對產品的分散性能有所改進。
  7. In this study, the load charateristics of submergible centrifugal pump and the influence of various regulating methods on energy dissipation are analyzed. the loading capacity of the submergible motor in variable speed drive control process is analyzed. the papers simple discribe the basic structure of the variable speed drive system in electric submergible pump > principle of pwm inverter and the basic structure of igbt

    在研究中,對潛油離心泵負載性能以及閘閥調節和調速調節對能耗的影響進行了分析;對潛油電動機在變頻調速的負載進行了分析;對潛油電泵變頻調速系統的基本結構、 pwm逆變器原理以及igbt的基本結構進行了簡單介紹。
  8. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制;視頻數據幀存模塊為大量高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  9. An improved pso ( particle swarm optimization ) algorithm is presented which well addresses slow convergence speed and low calculation precision in the basic pso algorithm

    摘要提出了一種改進的粒子群演算法,很好地解決了基本粒子群演算法中易陷入局部最優的缺點。
  10. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比,汽車空調的工作環境惡劣,條件差,控制難度要增加很多,主要體現在以下幾個方面:一是車外熱負荷變化大,難以確定控制參數;二是要求空調負荷大,而且要控制空調使其降溫迅速:三,不便於用電力作為動力源,必須用汽車發動機或輔助發動機來帶動壓縮機,當採用汽車發動機作為動力源時,由於汽車的車速變化大,發動機轉速的變化可從600r min到4000r min ,壓縮機轉速與發動機轉速成正比,其轉速變化高達7倍,給空調系統製冷劑流量控制帶來困難。
  11. Types and basic parameters for low speed wind energy conversion system

    低速風力機.型式與基本參數
  12. Control system by using of japanese p. l. c system and servo electrical drive system by using of west germany basic design in order to the cutting length, square, tension control and sheet counting can be operated directly through operator and machine interface, are equipped with automatic shutdown function and also the speed, the amount of reams, the square of decurler, cutting size, breakdown can be dispayed clearly. easier for controlling the operation

    控制系統採用日本系統及西德伺服電機設計理念,使紙張裁切的長度菱角的方正張力的控制及張數的計數可透過人機界面直接輸入,並有自動停機的功能設計,此外還可顯示速度令數反曲器之工作角度總切斷張數等數據,以及運轉故障之顯示,有助於機器維護工作的進行。
  13. In recent years, with the development of the basic establishment, especially means of transportation ( railway, highway, etc. ), the engineering phenomena that new line ( such as double - track railway, high speed railway, expressway, etc. ) is built close to existing line ( such as railway, highway, etc. ) appears. the size is larger and lager, and the space between is closer and closer

    近年來,隨著基礎設施,尤其是交通設施(鐵路、公路等)建設的發展,大量地出現了在既有線(如鐵路或公路等)旁修建新線(如復線鐵路、高速鐵路、高等級或高速公路等)等工程現象,且規模越來越大,距離越來越近。
  14. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。
  15. Knowledge - economy brings revolutionary significance and influence to modern management. ( 1 ) economy globalization brings great pressure to organizations ( enterprises ) ; ( 2 ) the knowledge - intensive industry has become the leading factor of modern economic increment and " knowledgenizing " will be the only way to sustain its status or to update it for traditional industry. ( 3 ) knowledge holds dominant status as absolute production factors in all factors, corresponding to this, the station of " knowledge - workers " is strengthened gradually in enterprise. ( 4 ) the fast - speed - development of information technique and the huge improvement of information - basic infrastructure provides difference to industrialization - age basic circumstances in nature for organization function

    知識經濟對于現代管理產生了巨大的影響: ( 1 )經濟全球化給組織(企業)產生了巨大壓力; ( 2 )知識密集型產業成為現代經濟增長的主導力量,而對傳統產業來說「知識化」將是其維持現有地位或實現更新的唯一出路; ( 3 )知識作為一種獨立的生產要素在各種要素投入中占據主導地位, 「知識工人」在企業中的地位不斷強化; ( 4 )信息技術的飛速發展,信息基礎設施的極大改善,為組織運作提供了與工業化時代在本質上不同的基本環境。
  16. The fast - speed development of computer network technology and information technology leads to the ceaseless change of manufacturing, the network numerical control ( nnc ) - a new technology, was arisen at the historic moment. after a deep research collection and analyzing of information internal and external on information integration technology, direct numerical control ( dnc ) interface technology, network technology and computer communication technology, the writer brings to the construction model of nnc and realizes real - time communication of nnc by program, discusses the function of basic information management of nnc

    本文通過對國內外有關的信息集成技術、 dnc (直接數控)介面技術、網路技術和計算機通訊技術的資料收集、分析比較和研究探討,給出了網路數控的總體結構模式,並通過深入分析研究,實現了網路數控系統的實時通訊等部分,探討了網路數控系統的基礎信息管理等功能。
  17. On the basic theory of transfer heat, tribology of rolling bearings and rotor dynamics, taking gdz48a electrospindle as an example, the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment, velocities, contact loads, friction heat and stiffness and studies the influences of the friction heat, structure and application parameters on the speed and dynamics

    本文以傳熱學、滾動軸承摩擦學和轉子動力學為理論基礎,以gdz48a型電主軸為例,建立了考慮摩擦熱和預緊方式影響的主軸軸承擬動力學分析模型,分析了軸承的摩擦力矩、運動、載荷和剛度,研究了軸承的熱特性、設計和應用參數對速度和動力學性能的影響,並進行了試驗驗證。
  18. In this thesis, the basic requirement and hardwar system structur of large - sized generator fault recorder are presented according to the fault feat [ lf of large - sized genebor. a l6 bits mi board h l6 chaxmels high speed synchronous saxnpling is developed

    論文根據大型機組的故障特點,結合相關的國標和部標,制定了對大型機組故障錄波的基本要求,對錄波量、錄波時間等重要技術指標作了規定。
  19. They have the highest basic speed of ally ships

    擁有最高的基本速度。
  20. What is the basic speed limit outside a city, town or village on a non - primary highway

    在城市外不是主要的高速公路時速是多少?
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