空間電子學 的英文怎麼說

中文拼音 [kōngjiāndiànzixué]
空間電子學 英文
space electronics
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 空間 : space; enclosure; room; blank; interspace
  • 電子學 : （研究電子或離子運動規律及其應用的科學） electronics
  • 電子 : [物理學] [電學] electron
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  2. Different kind space cameras use different image motion compensation methods and drift angle controls respectively. applications of drift angle control in mechanical image motion compensation and electronic image motion compensation are introduced and analyzed in this paper

    不同類型的空間相機有不同的像移補償方法，也就有不同的偏流角控制方法，本文對機械像移補償法、電子學補償方法等像移補償方法中的偏流角控制及作用進行分析。
  3. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  4. Virtual reality technology can provide " participants " with a feeling of being personally on the scene. as a main actor in the virtual environment, userscan control any objects in the virtual environment arbitrarily and can get reaction in time. in the hyperspace of the information, he can get acknowledge with their own percipience and cognition, and, seek the solutin, and form the new conception. the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology. with the interface provided by java, the user can control any objecs and change the attributes ( such as position, angle, color and etc. ). this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description. in the process of the practice, the paper analyses the difference between javascript, java claa and java applet, and formulize the their applications in this system

    用戶在多維信息空間中，依靠自己的感知和認知能力全方位地獲取知識，發揮主觀能動性，尋求解答，形成新的概念。虛擬現實技術與java技術的結合增加了虛擬現實技術與用戶的交互功能，用戶可以通過java提供的界面，操縱場景中的任何物體，並改變相應的屬性（如：位置，角度，顏色等等） 。本篇論文闡述了虛擬現實技術應用在售樓系統中，用真實的三維模型來代替原有的靜態圖片及文字描述，在實踐過程中，分析了javascript ， java類，及javaapplet實現功能中的利弊，分別闡述了它們在本系統中的應用，從理論上講，本課題所研究的虛擬現實技術不只適用於售樓系統的電子商務中，同樣可用於軍事和演習、醫學、教育、娛樂和工程設計等領域。
  5. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    （ 2 ） cu等離子體光譜：在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈；比較了激光能量對cu等離子體發射光譜、電子溫度的影響；用局部熱力學平衡（ lte ）近似，測得cu等離子體的電子溫度為104k數量級；在不同背景氣壓下，觀測了激光燒蝕cu等離子體光譜的空間分佈。
  6. The paper reviews the three pentodes about urban e - government research, narrates the research progress of service functions, sustainable ability, spatial distribution and models, development motives and key functions on urban e - government functionality from the view of home scholars

    摘要回顧國內城市電子政務研究的三個時期，評述國內學者對我國城市電子政務的服務職能，可持續發展能力，空間格局影響，模型，發展動力與核心功能5個方面的研究進展。
  7. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位，採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法，對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究，以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵，進而探討兩物種瀕危的成因和機制，並針對性地提出了科學合理的保護對策和建議。
  8. Nowadays with the booming development of microelectronic technique, the functions of the components of machinery, electricity, magnetism, optics, acoustics and thermotics have been improved rapidly. and the micromation of components, the integration of electronic equipments, the worse working environment, the increasing requirement and emi, all of these make the structural design of electronic equipments more and more important

    在微電子學高度發展的今天，促使機、電、磁、光、聲和熱等元器件功能飛速提高，隨著元器件微型化，電子設備趨向集成化，再加上一些日趨惡劣的工作環境，各種使用要求的提高，空間電磁環境的干擾，以及由於裝填密度高，產生的內在干擾等，使得電子設備的結構設計變得越來越重要。
  9. Through the analyze of dividing the sub - systems, interaction with environment, interaction with man and machine, a coarse - grained virtual prototype of space station has been assembled by the user model and the common model of vpm, it include environment system, dynamic system, time system, gnc system and power system. ( 3 ) the space environment model design

    通過對空間站虛擬樣機系統的子系統劃分、與環境的交互、人機的交互的分析，採用用戶模塊和vpm系統提供的通用模塊初步組裝出一個空間站的粗粒度虛擬樣機系統，包括空間環境、動力學系統、時間系統、 gnc系統、電力系統； （ 3 ）空間環境模塊設計。
  10. The research uncovered the facts that, in the design of space vehicles, the single event effects induced by high - energy protons and iron ions in space must be taken into account seriously, the proper hardening measures must be taken to protect the electronic devices from disfunction. it is also suggested that, for the low - orbit satellites, the south atlantic anominal zone should be avoided

    宇宙高能質子和鐵離子的單粒子效應在航天任務設計中需要重點考慮，空間應用的電子學元器件，必須進行適當的抗輻射加固，在設計低軌道衛星軌道時必須設法避開南大西洋異常區（ saa ） ，航天任務設計中還需要掌握太陽質子事件總體上11年為周期的特性。
  11. It include dynamic system which used to describe the motion of orbit and attitude of the space station, gnc system that describe the control of orbit and attitude of the space station system ; power system, that provide the power supply for the space station

    其中：動力學子系統描述空間站運行的軌道和姿態運動， gnc系統主要描述空間站的軌道、姿態控制，電力系統主要描述空間站的電力供應情況。
  12. There, he held significant roles in commercial banking, retail banking, and real estate. at the time of his move to citizens, hollister was executive vice president of consumer and small business banking

    它所控制的工業原來主要是輕紡工業，從50年代起，利用麻省理工學院的科研成果發展新興技術工業，從輕紡工業轉向電子光學空間導彈等方面發展。
  13. Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established

    考慮到peos物理現象涉及到等離子體和陰極發射電子的動力學行為以及空間電磁場的復雜變化，我們採用粒子模擬方法作為研究工具，研製了適用於peos物理問題模擬研究的二維柱坐標全電磁粒子模擬程序cylinder2 - 1 2d 。
  14. The enhanced photoconductive effect from small amount of tnf facilitates the preparations of new organic photoconductive devices under the drive of low fields. in the fourth chapter, inclpc nanoparticles embedded in poly ( n - vinylcarbzaole ) ( pvk ) were prepared successfully by dissolving inclpc in aprotic organic solvent / lewis acid with great concentration for the formation of electron donor - acceptor complexes, i. e., the method of complexation - mediated solubilization. the fabricated inclpc nanoparticles were characterized by means of uv / vis absorption, x - ray diffraction pattern, and tem

    論文的最後一章中，我們合成了具有較好的電子傳輸性能的化合物』一二苯基四竣酸花酚亞胺（ ddp ） ；研究了其溶解性、熱穩定性、晶體結構、紅外光譜、紫外吸收光譜和蒸鍍薄膜的屬性，並用量子化學計算方法模擬其單分子的空間構型；載流子遷移率測試的結果約為ix10 「 、 m 』 v 」 』 ? s 「 』 。
  15. A method is proposed to construct a localized active functional space from the density matrix of a large system. the large system is partitioned into central and surrounding areas. the active functional space is mainly localized on the central area. it contains all basis functions centered at the central area and all the orbitals which consist of the basis functions localized in the surrounding area and interact with the basis functions in the central area to a certain extent. an integral number of electrons are involved in the localized active functional space which can be considered as a relatively independent subsystem in the large system and for which formally isolated quantum chemical calculations can be performed. the related program has been coded and is checked through calculating the number of 4

    報道了從大體系的密度矩陣出發構造定域于指定局部的活性泛函空間的方法和程序。將大體系劃分為中心區和環境區，活性泛函空間包含中心區的基函數及與其有相互作用的環境區軌道，容納整數個電子，構成大體系的一個相對獨立的子體系，可以在其中進行獨立的量子化學計算。通過計算鑭系氯化物和水合離子的4
  16. The fifth, the gravity mass occupies some certain space ; as a result, it has its volume, while electromagnetic mass has no volume, as a result, the idea of point model of quantum electric mechanics is all right

    第五，引力質量都佔有一定的空間，也就是具有體積，而電磁質量沒有體積，因此量子電動力學的點模型觀點是正確的。
  17. A multi - laminated structure telescope and a modified fast response electronics system were adopted to design a multi - functional charged particle spectrometer - identificator for near - earth space environment studying. the telescope system for this instrument consists of three au - si surface barrier detectors with different thickness and an scintillation csi ( tl )

    這套空間帶電粒子譜探測系統主要有金硅面壘探測器、 csi閃爍體和改進的快響應電子學系統構成，包括e - e望遠鏡系統和數據的獲取及處理系統。
  18. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  19. With the development of modern industry and technology, some conveying and manipulating operations in non - contact mode need the suspension technology in the fields of guiding system, material processing, micro - electronics and semi - conductor industry and so on. therefore, it is of great importance to develop the suspension technique. there have been some conventional suspension methods at present, among them, magnetic levitation, acoustic levitation, aerodynamic levitation, optical levitation, radio - frequency levitation, electric levitation and super - conducting levitation

    隨著現代工業與科學技術的發展，在精密機械工業、半導體工業、航空航天工業、交通與運輸業以及空間材料科學、微電子學和軍事科學等許多領域，需要採用懸浮技術對特定目標如精密元器件、光盤（ cd ） 、液晶片（ lcd ） 、硅基片（ wafer ） 、導航陀螺乃至列車等實現非接觸式的操作或輸運，因此，懸浮技術的發展具有重要的理論意義和實用價值。
  20. On the other hand, for the individual learning, it provides e - portfolio as an evidence of personal learning process, which helps students with self - reflection

    在個別化學習方面，電子學擋的設立為每個學生提供了學習過程的記錄以及反思學習的空間。
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