寬基極 的英文怎麼說

中文拼音 [kuānjījí]
寬基極 英文
wide base
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  1. We also broaden limitation to foreign companies ' investment in technical attorn, sales in domestic market percent and some business holding stock proportion, and encourage them invest agriculture, foundation, environmental protection and new high technology industry

    我們還將放寬外商投資在技術轉讓、內銷比例和一些行業持股比例的限制，積極鼓勵外商投資農業、基礎設施、環保產業和高新技術產業。
  2. The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn

    在對漏磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對象，分析了各因素對缺陷漏磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵，得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋，宜用漏磁分量bx作為缺陷識別的特徵量。
  3. 2. the assessing of endangered degree of some species there are many endangered species in this gully and the critically endangered species include papilio epycides, meandrusa scrion, sasakia funebris. sasakia charonda, chilasa clytia ; the endangered species include papilio alcmenor, papilio bootes, papilio polyctor, byasa plutonius, chilasa epycides, chitoria pallas, jimelaea maculata, helcyra superba, stichophthalma howqua, and the vulnerable species include byasa polyeutes, pazala tamerlanta, pazala mandarina, pamassius latreille, graphium scopoli, funis aepope. 3

    極危的種類有：美鳳蝶、褐鉤鳳蝶、黑紫蛺蝶、大紫蛺蝶、斑鳳蝶；瀕危種類有：金裳鳳蝶、箭環蝶、紅基美鳳蝶、牛郎鳳蝶、突緣麝鳳蝶、小黑斑鳳蝶、波綠鳳蝶、鉑鎧蛺蝶、傲白蛺蝶、貓蛺蝶；易危種類有：多姿麝鳳蝶、烏克蘭劍鳳蝶、華夏劍鳳蝶、寬帶青鳳蝶、冰清絹蝶、灰翅串珠環蝶。
  4. This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically

    本文從bp網的結構出發，以減小bp神經網路的規模為手段來克服陷入局部極小點，提出了bp神經網路的拆分組裝方法，即將一個大的bp網有機地拆分為幾個小的子bp網，每個子網的權值單獨訓練，訓練好以後，再將每個子網的單元和權值有機地組裝成原先的bp網，從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的；在拆分組裝方法基礎上，本文詳細闡述了輸入樣本的預處理過程，更進一步地減小了bp網路的規模，使子網的學習更加容易了；對于子網的學習，本文採用了最速梯度? ?遺傳混合演算法（即gdr ? ? ga演算法） ，使gdr演算法和ga演算法的優點互為補充，提高了收斂速度；最後本文闡述了用以上方法進行atm帶寬動態分配的過程。
  5. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階極化的拍頻效應，考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說，這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時，可得到消除多普勒增寬的精度
  6. There are abundant copper ore resources and mineralization types of copper ore deposits in gansu, china, but the reserves explored is not concordant with of intensity of copper mineralization, which in the providing reserves for important bases of the copper mine productions there is a serious question

    甘肅銅礦資源豐富，成礦類型發育齊全。但是，已探明儲量與銅礦化強度極不相稱；重要銅礦生產基地的資源保障形勢嚴峻。深化區域成礦規律認識與拓寬勘查研究思路尤為重要。
  7. Based on the motion law of equal - width slit steady flow, the seepage calculation model simulating concrete face slab joints and face slab with dense cracks is studied and established under the extreme condition that slabs are destroyed

    摘要基於等寬縫隙穩定流的運動規律，研究建立了混凝土面板極端破壞情況下面板接縫及密集裂縫型面板的滲流計算模型。
  8. At the other hand, we can perform the rrpa calculation with the continuum replaced by a set of outgoing single particle resonances, it indicates that the resonances in the continuum play an important role in the description of nuclear dynamical processes, such as collective giant resonances. energies, widths and wave functions of the single particle resonant continuum are determined by solving scattering states of the dirac equation with proper asymptotic conditions for the continuous spectrum in the r ' elativistic mean field theory. the relativistic regular and irregular coulomb wave functions are calculated numerically

    在進行相對論無規位相近似計算時將連續譜中所有的正能態用單粒子共振態來代替，並且在計算中採用單粒子共振態的真實寬度，利用這種方法我們計算了核的同位旋標量巨八極共振響應函數，並且和考慮了連續譜中所有正能態貢獻的結果進行比較，計算結果表明，連續譜中只考慮單粒子共振態對核的集體激發的貢獻時，給出的響應函數基本上能夠重現考慮了所有正能態貢獻時的計算結果，這說明了在核的集體激發中，連續譜中主要是單粒子共振態的貢獻。
  9. On the basis of appraising a traditional method, the method of the stereographic projection and proportionally stereographic projection of a solid volume, this paper has introduced such methods as determination of dominant discontinuities, kinematic tests for rock - mass failure modes, geometrical judgment of a removable block, and determination of a key block, extending perfecting the traditional method, and thus making it has better suitability or availability and practicality

    摘要本文在評價用傳統方法即赤平極射投影和實體比例投影方法分析節理邊坡穩定性的基礎上，結合具體工程實例引進了優勢結構面的確定、巖體破壞模式的運動學判釋、可移動塊體的幾何判定和關鍵塊體的確定等方法，使傳統方法得到拓寬和完善，從而具有更好的適用性和可操作性。
  10. The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges

    基於列車-橋梁時變系統隨機振動分析理論，按照橋上列車脫軌安全系數和司機、旅客舒適度的要求，對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析，對鐵路連續鋼桁梁橋的設計具有一定的參考作用。
  11. Tianjin gradually developed into the most important exported, industrial and financial center in northern china since its port - opening, and soon began to play a leading role in the exported economic system, with its advancing location, excellent transportation, commercial background, free environment, develop chances and wide market, which, as a result, greatly put forward the modernization process of this vast area

    摘要具有優越地理區位、便利交通條件和良好經濟基礎的天津，開埠后又利用通商口岸所特有的寬松環境、發展機會和廣闊市場，逐步成為北方最大的對外貿易中心、工業中心和金融中心，成為近代北方經濟的龍頭，極大地推動了北方廣大地區經濟的現代化進程。
  12. It trains qualified personnel with all sorts of patterns. presently, the practice of rtvu - teach - oneself linking program has brought into full play both advantages, which is gaining popularity in the society. based on the principle of running school according to the social needs, rtvu trains specialized practical personnel closely related to the economic construction and social development. in settinq up the courses, hrtvu develops some new specialities to meet various needs of talent market in different local places and the urgent need of society that providing chances to learn for people from various posts with different requirements

    河北廣播電視大學積極適應河北經濟建設和社會發展的需要，堅持四個面向，即「面向地方面向基層面向農村面向邊遠地區和少數民族地區」辦學的指導思想，實行「寬進嚴出」的辦學方針，充分應用現代化教學手段，堅持多層次多規格多功能多形式辦學，堅持學歷教育和非學歷教育並舉，開展了大量的實用知識技術培訓，為河北的經濟建設和社會全面進步提供了多種教育服務和人才智力支持。
  13. It is found that the current amplification coefficient strongly depends on the spin polarization of the electrons injected from the emitter to the base, the spin relaxation time and the width of the base

    自旋晶體管中的電流放大系數主要取決于注入基區的自旋極化電子的極化程度，基區中自旋的馳豫時間及基區的寬度。
  14. Using the typical moled structure glass / dbr / ito / htl / eml （ etl ） / al ， the el spectrum narrowing, intensity enhancement in the normal direction as well as emission intensity redistribution in space are observed. by the introduction of single layer silver film instead of the dbr / ito multilayer, a ( / 2 - length cavity is obtained. using this kind of microcavity, three - color single mode pl from a single material alq and three - color single mode el from double layers pvk / alq are achieved for the first time

    通過以金屬銀替代多層結構的dbr / ito ，既作為反射鏡，又作為el器件中的空穴注入電極，設計出腔長只有（ / 2的超短微腔，採用同一種寬譜帶材料alq作為光發射層，首次報道了三基色單模光致發光和pvk / alq雙層結構的三基色單模電致發光。
  15. In aspect of urban infrastructure construction ' s financing, apart from support from the government revenue, efforts should be made in developing the capital market so as to widen sourcing of fund raising, in gradually opening the investment market for urban infrastructure construction and fostering, encourage and guiding the participating in urban construction of economies of different ownerships, and actively marking use of foreign capital in urban construction, so as to accomplish a new system of investment and fund raising for urban infrastructure construction that features pluralization of the markers of investment in urban infrastructure construction, market - orientation of the capital sourcing and diversification of the investment mode, and in establishing and perfection of the mechanism of self - discipline for risk with investment so as to enhance efficiency of the investment

    本文通過對我國城市基礎設施建設投融資體系歷史變革情況的回顧和對當前投融資體系中存在問題的分析，就城市建設資金的籌措和建設資金的管理進行了研究。在城市基礎設施建設資金的籌措方面，除靠政府財政投入外，還應通過發展資本市場，不斷拓寬融資渠道；要逐步開放城市基礎設施投資市場，支持、鼓勵和引導多種所有制經濟參與城市建設，並積極利用外資投資于城市建設，實現城市基礎設施建設投資主體的多元化、資本來源市場化、投資方式多樣化的新的投融資體制；要建立和完善投資風險的自我約束機制，提高投資效益。
  16. The method of multiple scales is used to determine the equations of modulation of amplitude and phase. the steady state response can be obtained by solving a couple of algebraic equations, which have been achieved by careful deduction under some conditions. and because of the complexity of the equations, programs are necessary to solve the equations mentioned above, and certain graphs are presented. based on chapter two, in chapter three, the method of multiple scales is introduced to the study of the multiple - dimensional nonlinear stochastic systems under random external excitation

    在第二章基礎上，第三章將多尺度法引入到相應的隨機系統的研究中；嚴格推導了系統的約簡方程，用矩方法求出穩態解應滿足的方程，獲得一些結果；並且數值模擬結果與理論推導的結果是一致的；並注意到，與其對應的確定性系統相比較，系統響應從周期解變為近似周期解，系統的相軌線從極限環變為擴大的近似極限環；隨著激勵帶寬的增大，此擴大的近似極限環的寬度將增大。
  17. Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band

    在本論文的研究過程中，通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施，運用矩量法和遺傳優化演算法等數值方法，深入研究了加載單極子天線問題，旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比，以獲得較高增益的、基本滿足駐波要求的小型超寬帶天線。
  18. On the one hand, the theoretics of drug discovery become more comprehensive and more profound as the development of numerous new disciplines such as genomics, proteomics, transcriptomics, metabonomics, bioinformatics and system biology ; on the other hand, the pathways for new drug discovery are broadened by the continuous improvement of technological platforms including computer - aided drug design, high throughput screening, high content screening, biochip, transgenic and rnai technology

    一方面，基因組學、蛋白質組學、轉錄組學、代謝組學、生物信息學、系統生物學等新興學科的崛起與發展，為藥物發現提供更為廣泛而深刻的理論基礎；另一方面，計算機輔助藥物設計、高通量篩選、高內涵篩選、生物晶元、轉基因和rna干擾等高新技術的發展和完善，為藥物發現提供了新的技術手段和有力工具，極大地拓寬了藥物發現的途徑。
  19. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  20. Next, the effects of the electron - beam quality on the characteristics of the vircator are investigated with simulation method. the simulation results show that the front edge of the beam pulse has almost no effect on the saturated microwave output, while good front edges can accelerate the saturation of the virtual cathode oscillation, and beam quality ( except its energy spread ) has almost no effect on microwave frequency, and so on

    結果表明：上凸形束脈沖前沿可使虛陰極振蕩器達到飽和振蕩的時間縮短但對微波飽和功率基本無影響；束流脈寬應足夠大，否則虛陰極振蕩器不能達到飽和振蕩（對應本文中的模型，束脈寬應大於16ns ） ；能散度的影響不可忽視，當能散度為5時，束波轉換效率從單能束時的3 . 8降至1 . 5 ；束流質量（除能散度外）對微波頻率基本上沒有影響等。
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