電模似 的英文怎麼說
中文拼音 [diànmósì]
電模似
英文
electrical analogue-
For vlsi, a plane surface may be approximated by depositing the interlevel dielectric by bias-sputter deposition (see section 9. 2. 4) or by using planarization.
對于超大規模集成電路的平面狀表面,可以用偏置濺射淀積法的層間介質淀積(見924節)或用平面化工藝來近似獲得。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。". 6 : draft standard to match to and work with ets 300 001 net4 " apparatus using cordless attachments excluding cellular radio apparatus for connection to analogue interfaces of public switched telephone networks run by certain public telecommunications operators ". specification for cordless portable parts and cordless fixed parts as separate stand alone items
與ets 300001 net4相適應的標準草案"使用無繩附件連接由某些公共長途通信接線員操作的公共交換電話網模似介面的裝置The secondary electron effect is incorporated into the simulation, which are divided into true secondary and reflected primary electrons
分析了次級電子發射的特性,在模擬中將次級電子近似分為真實次級電子和反射的原電子分別處理。While the story may not seem to be too much of a surprise, audience should remember not to overlook the subtle computer special effects. it is said that the director fumihiko sori used to work on some special effects projects in hollywood before, that may explain why the effects in this movie are so well planned and executed that it is hard to find a flaw
后來兩人從新振作,向極限挑戰這樣的故事模式和一般的勵志片分別不大,例如筆者早前剛剛看過的韓片ymca野球團,故事布局便和此片相似,都是依從著「主角登場-短暫成功-受挫-發奮-最後勝利」這個電影方程式發展。The housing device of this generic type for accommodating at least one circuit arrangement, in particular a power semiconductor module or the like, has housing areas which are designed for the arrangement of, in particular, live contact elements and which each provide a number of arrangement positions for this purpose
這種通用普通類型的外殼器件至少用於裝填一個電路裝置,特別是電源半導體模塊或類似物,在該外殼器件中設計有外殼區域,該外殼區域尤其是用來放置帶電的接觸單元,並且其每個都提供有多個此類放置位置。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide
把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計Non - linear dynamical systems and chaotic phenomena. random processes and diffusion. ising model and lattice gas. quantum systems and electronic structures. percolation, fractal and self - similarity. neural network and genetic algorithm
非線性動力系統與混沌現象、隨機過程和擴散現象、易幸模型與格子氣體的統計模擬、量子系統與電子結構、展透、碎形與自我類似、類神經網路與基因演演算法。Electronographic star images appear soft and out of focus.
電子照相得到的星象看起來模糊,似乎是離焦的像。For the purpose of discovering the near - globally optimal solution, this paper proposed a hybrid approach of ant colony algorithm and sequential quadratic programming ( sqp )
摘要為了獲得整體近似最優解,提出採用蟻群演算法,搜索發電機可運行狀態的最優組合,並對蟻群演算法的數學模型進行分析,以參數的形式給出具有普遍意義的收斂性定理。The optimal layout scheme and design scale of the plant site are determined through the analysis and evaluation of the capacity of flood control and flood discharge of the watercourse nearby the pump house of zhongning electric power plant. this will provide use for reference for the similar water - intake engineering in the future. it has great significance for theoretical research and practicable value for application as well
本課題通過對中寧發電廠取水泵房廠址附近河道的防洪及河道行洪能力的分析和評價來確定其廠址的最優布設方案和設計規模,對今後類似的黃河上取水泵房的設計提供借鑒,因此具有重要理論研究意義和實際應用價值。This paper is focused on dynamical properties of a frame pedestal model for a 1000mw steam turbine - generator set
對某電廠1000mw汽機框架式基礎的動力特性進行了模型試驗研究,並按照相似理論換算到原型結構並進行了分析。The second chapter is about model experiment study, it introduces purpose, scheme, equipment and experiment contents having copperplate and copper ball as object by comparability rule experimenting plenty of physical models, deals with experiment data and makes second field attenuation voltage curves first field isoline both single aperture and mutli - aperture in different situation. in the end, it obtains best depth of multi - aperture source
利用相似性準則進行大量的物理模擬實驗,實驗觀測中以銅板和銅球作為目標體,詳細介紹了模擬實驗研究的目的、方案、使用設備以及實驗內容,並對實驗數據進行了處理分析,作出了不同模擬條件下單、多孔徑的二次場衰減電壓曲線和一次場等值線圖,找出多孔徑作發射源的探測最佳深度。It seemed at first to be an electronic haze, but after some fine tuning the clatter of the hagelin was clearly audible.
開始時似乎有電子模糊現象,但是經過一些細致的調諧以後,「哈蓋林」機器的卡嗒聲聽得清清楚楚。The frequency and mode of the generated microwave are very pure. these results can provide a possible method for constructing a compact high - power microwave device. in addition, a virtual cathode oscillator with an axially extracted te11 mode based on the spark05 accelerator in our laboratory has also been investigated using the pic simulation code
基於spark05加速器電子束參數設計的軸向提取te11模虛陰極振蕩器,利用類似的設計思想,通過改變電壓的饋入方式和陰陽極結構,實現了中心陰極負脈沖電壓的激勵,同樣獲得了較好的粒子模擬優化結果。According to the faults of traditional direct torque control and the requirement of an induction motor ' s control strategy, the author changes the method of regulating stator flux to make its path approximate to a circle as possible as could and put forward a new way to use a three - value torque regulator
本論文研究了異步電動機的數學模型,介紹了直接轉矩控制的基本原理,並根據傳統直接轉矩控制存在的缺點以及對電動機調速性能的要求,改變對定子磁鏈的調節方式,使定子磁鏈軌跡近似為一圓形。Electrical and pneumatic analogue chart recorders for use in industrial - process control systems - methods for performance evaluation
工業過程式控制制系統用電動和氣動模似圖表記錄儀.性能評定方法Electrical and pneumatic analogue chart recorders for use in industrial process control systems - guidance for inspection and routine testing
工業過程式控制制系統用電動和氣動模似圖表記錄儀.檢查和常規試驗指南分享友人