整流特性曲線 的英文怎麼說

中文拼音 [zhěngliúxìngxiàn]
整流特性曲線 英文
rectification characteristic curve
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. 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密碼體制的優點及研究現狀;其次研究了橢圓密碼體制的基本理論;第三,分析了橢圓密碼的安全並介紹了密鑰共享,加密,數字簽名等橢圓密碼體制;第四,深入研究了徵為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密碼體制時參考;第五,研究了目前行的計算橢圓標量乘法的快速演算法,同時改進了固定基點梳形法,提高了個系統的速度,並在實驗的基礎上分析研究了行演算法的優劣;第六,實現了基於f _ 2m的橢圓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等橢圓密碼體制;第七,實現了兩條安全橢圓上的橢圓密碼體制,包括ecdh , eces , ecdsa 。
  2. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法,在治河段一維水面計算,單丁壩繞數值模擬,紊數學模型在航道治工程中的應用以及丁壩群附近水的三維等方面做了一些初步研究。
  3. Abstract : in this paper, the setting scheme of the current differential protection based on sampled values using fault component is investigated. the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail. the probable protection setting values for the hv transmission lines are described. it testifies the feasibility for the applications of the protection to the hv transmission lines

    文摘:對基於故障分量的采樣值電差動保護制動定方法進行了研究,詳細討論了其制動系數和最小動作電定方法,同時對該保護在輸電路中的應用進行了初步的估算,說明了該保護的優異能。
  4. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行及其最佳風能利用原理,通過模擬及實驗驗證了採用直電機的輸出模擬風力機的最大輸出功率的可行,並給出了模擬系統的硬體結構;然後為了實現交勵磁發電機有功、無功功率獨立調節機理,分析了交勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向動的要求,提出並設計了具有能量雙向動能力的雙pwm交勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完的雙pwm變頻器交勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確、可行
  5. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來,採用國內最先進的生產,工藝精湛,其熱阻均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規定的檢測方法,百分之百達到設計要求,是功率半導體器件的配套散熱元件,運用於多種大、小功率電器熱高密度、機設備、電子,電器等領域。
  6. Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift

    第三章運用固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程,利用有限元法對其的動態進行了研究,得到了在固耦合場下運動部件存在的附加質量,該附加質量導致固有頻率下降,單位推力下的加速度頻響體下移。
  7. The method is proved to be a practical way of implementation with expected precision. a new type device is presented to measurement of the magnetic properties of the single sheet, after a detailed account of the parameter of magnetic characteristic and relevant measurement

    在詳細介紹磁材料的的相關參量,及交磁化和磁滯回的測量方法和磁損耗的測量方法后,提出對于龜機鐵芯磁能測試不僅要進行體測試,應在疊鉚前對單片硅鋼片測試。
  8. The paper has five sections include the basic knowledge and the experiment research, systematically analyses the impact of the liquid crystal box ' s position angle on the measuring result of liquid crystal lyot filter and the practical significance of this work. the work of this paper maily includes five sections : ( 1 ) the related theory of the crystal birefringence is systemicly introduced in this paper ; ( 2 ) the theory of the lc voltage - dependent birefringence is introduced ; ( 3 ) no voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 4 ) voltage applied, changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 5 ) desired wavelength is extract from changing the direction of liquid box. originality innovation of this paper is that the theory of the lc voltage - dependent birefringence is systemically introduced in this paper especially those related to voltage and direction

    本文主要完成以下幾方面工作: ( 1 )比較系統地理了晶體雙折射的有關理論; ( 2 )簡單介紹了液晶的電控雙折射; o )在未加電壓情況下,研究液晶盒方位角對濾光片透過率的影響;廠)在加交電壓的情況下,研究液晶盒方位角對濾光片透過率的影響; ( 5 )利用方位角的調來提取定波長的譜;本論文的創新之處在於比較系統地理了晶體雙折射的有關理論,別是與電壓及方向有關的理論,實驗得出了濾光片透過率隨液晶盒方位角變化的關系,並將之運用於v吸器波長的話
  9. Due to the existing volatility, stochastic and dynamic properties of cash flow, this paper employs exponential smoothing method and moving average method to eliminate the effects of the stochastic factors, use the seasonal exponent to eliminate the seasonal volatility of the cash flow, the exponent curve and polynomial fitting curve to estimate the overall cash flow and also provides the calculating methods and identifying principle of the overall cash flow

    由於現金量的波動、隨機、動態的存在,依靠單一方法無法科學、準確的預測現金量。論文提出利用指數平滑和移動平滑的方法來剔除隨機因素影響,利用季節指數來消除現金量的季節波動,之後再利用指數或者多項式擬合來預測體現金量的方法,並給出了體現金量的計算方法和確定原理。
  10. Abstract : this paper deals with the simulation result analysis of three phase synchronous generator with rectified output with stator y connected, as well as with stator connected. the curves of overlap angle, displacement angle and power factor with load are presented, and the tendency of these curves are also described

    文摘:對負載時凸極同步發電機定子繞組及y聯結模擬結果進行分析,繪出反映的換重疊角、位移角以及功率因數隨負載變化,並對變化趨勢進行分析。
  11. Static power convertors ; semiconductor rectifier equipment, shapes and letter symbols of characteristic curves

    靜態功率轉換器.半導體設備.形狀和字母
  12. Next, a three - span curve continuous box beam has been studied by fem, and how to set the single - pedestal pier in curve continuous box beams has been discussed. when setting the single - pedestal pier, the vehicle flow should be inspected firstly, and then a best offset distance should be selected within the feasible range of the offset distance. meanwhile, increase the spacing interval of the double supports to the largest extent when installing a double supports on a sharing single - pedestal pier, which can enhance the stability and security of the bridge as a whole

    對上石立交橋中一座三跨連續的箱梁進行有限元分析,詳細地討論了在箱梁中如何合理設置獨柱墩的問題,分析表明獨柱墩的設置應該根據車調查的實際情況,再結合結構本身的徵,在可行的偏距范圍內選擇一個最佳的偏距,另在對公共墩上的雙支座進行設置的時候應該盡量使雙支座的間距增大,這樣可以保證橋梁體的穩定和安全
  13. It resolves bad repeatability on preparation of high cubic phase bn thin films successfully. the

    實驗制備的bn / si薄膜異質結的i - v具有明顯的,其正向伏安
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