線源系統 的英文怎麼說

中文拼音 [xiànyuánxìtǒng]
線源系統 英文
line source system
  • 線 : 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...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840

    針對當前我國煤礦電鉆電源的使用現狀，提出研製dc - ac變換的電鉆電源系統，該電源系統直接利用spwm變頻控制技術，將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。
  2. In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl

    為了考察表面活性劑對疏水性有機污染物生物降解的影響，本論文選擇聯苯作為模擬研究體系，篩選、馴化得到四株可利用聯苯作為碳源生長的菌株；考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性；用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線；較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。
  3. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  4. Usually, hpm devices working in the high current and large field amplitude state, after the field reaches saturation, the nonlinear effects will become extremely strong so that the intrinsic nonlinear phenomena ( for example limit cycle oscillation and chaotic behavior ) of the system occur. these nonlinear behaviors directly influence the output characteristic of the devices

    在通常情況下，高功率微波源器件都工作在大電流和強場工作狀態，尤其在場達到飽和以後，系統的非線性效應將變得非常明顯，非線性系統所特有的一些現象（如，極限環型振蕩和混沌行為）將出現，這些非線性現象直接影響器件的各種輸出特性。
  5. The research shows that the protection of the industrial control system are not only need the external lightning protection system such as air terminals, down conductors and grounding system, but also need the internal lightning protection system such as equipotential bonding, shielding and surge protection of information system and electrical system

    經研究，對工業控制系統的防雷保護不僅要做好接閃器，引下線，接地體等基本的外部防護，還要做好等電位聯結，屏蔽，信號系統和電源系統的電涌保護等相關內部防雷措施。
  6. We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating

    針對三相四線輸出的電源系統，對採用空間矢量控制的四橋臂逆變器進行了深入研究，對三維空間矢量調制方案進行了分析求解、模擬，並給出了適用於15kva變速恆頻電源變換器的解決方案，實現了變換器的三相四線輸出以及線性調壓。
  7. The fuzzy - pid controller with self - tuned parameters is finally designed out. the dissertation introduces the performance parameters of plvc4 programmable logical controller for valve and its programming software openpcs. connects it to the computer by serial communication and have the computer monitoring program

    閥用可編程式控制制器用串口通訊線與計算機連接，在其編程軟體openpcs環境下用st語言編寫油源系統控製程序，並編制計算機監控程序實現參數在線調整和測量狀態監控。
  8. The existing dynamic output feedback schemes use a seven - order passive network, but our dynamic controller is realized by a six - order square linear system

    目前的動態輸出反饋控制器都採用7階無源網路，而本文的無源網路是由6階平方線性系統實現的。
  9. Feedback stabilization by robust passivity of general nonlinear systems with structural uncertainty

    具有結構不確定性一般非線形系統通過魯棒無源的反饋鎮定
  10. In the light of the characteristics of urban mass transit, this paper introduces the telecommunication information system and the technology of its branches, including transport system, public telecom system, private telecom system, broadcasting system, tv supervision system, power system, time - table system and wireless communication system

    摘要針對城市軌道交通系統的特點，介紹了城市軌道交通信息通信系統的各個分系統技術，包括：傳輸系統，公務電話系統，專用電話系統，廣播系統，電視監控系統，電源系統，時鐘系統，無線通信系統。
  11. By use of the model, the gdp change, the benefit per unit water, the water flow into sea and the discharge change of main river section are obtained for beneficial regions of the south - to - north water transfer

    通過模型框架，將水資源系統中的宏觀經濟子系統和水資源子系統相互作用通過內生變量聯接起來，分析南水北調西線工程對黃河流域受水區的影響，得到黃河流域二級區不同配水方案相對于無調水情況的gdp變化、單方水效益、人海水量和主要斷面流量過程變化等。
  12. The development of dc control power system described in this paper is oriented to the baoji - chengdu electric railway - engineering project. a dc control power system, which is based on plc, hf switch rectifier and valve control seal battery is described in the paper

    本文結合寶成復線電氣化工程，針對牽引變電所直流控制電源系統設計，闡述了一個基於plc控制器、高頻開關整流裝置和閥控式密封鉛酸蓄電池的直流屏的設計和產品研製。
  13. The power supply module is made of sg3525a, which supply current for pipeline cp. the data collection module is made up of single chip, which collect the nature eroding voltage, protection voltage and current on the spot and transport these data to pc by com. pc constitutes master control module, which inspects work state of the whole cp system, control the system start and exit, display data out of the single chip

    本系統採用sg3525a晶元構成開關電源模塊，提供管線陰極保護電流；採用單片機系統做為數據採集模塊，採集管線現場自然腐蝕電位、保護電位、保護電流等數據，並把採集的數據通過串列口送往pc機； pc機為主控模塊監控整個電源系統的工作狀態，控制整個模塊的投入和退出，完成人機對話；利用顯示器顯示系統輸出電壓、電流。
  14. A circuit is designed to define the odd and even line to meet the layout ' s simplification requirement. to make full use of the system resource, an auto - test circuit is designed with test vector can be given through the internal bus and result vector can be detect by system

    為了充分利用了嵌入式晶元豐富的系統資源，設計了簡單實用的自測試電路，其測試向量和結果向量都可以通過總線被系統直接讀取，系統執行相應的指令就可以完成相應的自測試過程。
  15. Inverse - time overcurrent protection is used in power supply installation to fit the heat characteristic of the device ' s fault current. with reference to international standard characteristic equations, the equation by the integration of current term is suitable to describe the process of heat accumulation

    將反時限過流保護的概念引入智能電源系統，參考國際通用反時限控制曲線，通過構造器件的熱庫模型採用微處理器程式控制能夠方便實現各種反時限控制特性。
  16. In this text, on the basis of research achievements of nonlinearity, the basic view is that the science system is a nonlinear system, because the source of its development, form and characteristics are nonlinear

    本文借用非線性科學的研究成果，提出的基本觀點就是科學系統是一個非線性系統，它的發展的源泉、形式、表現都是非線性的。
  17. As for the system is complicated, non - linear and time - changing, how to design every element suitably to acquire the best control effects has important theory significance and practical value. the paper introduces the new universal digital trigger based on cpld and pll

    可控整流電源系統具有復雜性、非線性、時變性等特點，如何合理地設計其各個控制環節以達到最優的控制效果具有一定的理論意義和重要的實用價值。
  18. Non - affine nonlinear systems via bounded controls and kalman - yakubovitch - popov lemma of affine passive systems are stabilized. several kinds of nonlinear systems with uncertainty by using stability theory of cascaded passive systems are stabilized robustly. the relative weaker sufficient conditions of stabilizing a class of driven - driving systems by using the concept of zero - state - detectability are put forward

    運用仿射無源系統的kalman - yacubovitch - popov引理，飽和鎮定非仿射非線性系統；運用聯級無源系統的穩定原理魯棒鎮定幾類不確定系統；運用零狀態可探測概念，給出了鎮定從驅動系統相對較弱的充分條件。
  19. Guide for protective relay applications to power system buses

    電源系統總線的保護繼電器應用指南
  20. This paper uses systematic project for energy system according to jiangsu and ten province energy conditions in west. it applies nonlinear chaotic dynamics theory in energy system and builds the chaotic dynamics model of energy system : chaotic time series model. the largest lyapunov index energy time series has been calculated according to decimal quantity method

    本文根據江蘇及西部十省能源狀況，利用系統工程的方法對能源系統進行研究，將非線性混沌動力學理論應用於能源系統中，建立能源系統的混沌動力學模型：混沌時間序列模型，採用小數據量方法來計算了能源時間序列的最大李雅普諾夫指數。
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