矢達 的英文怎麼說

中文拼音 [shǐ]
矢達 英文
yadachi
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  1. Abstract : in this paper , a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived , such as , the position vector for the incident point , the scalar expression for reflected ray , scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性,導出多光束掃描入射點位置量、反射線標量表式、觀察面上的掃描軌跡方程,並研究了掃描遠場的非對稱性。
  2. Polarimetric synthetic aperture radar ( polsar ) investigates the transverse vectorial nature of plane em waves and provides the complex scattering matrix of a scatterer. scattering polarimetry is sensitive to the shape, orientation, and dielectric properties of scatters

    極化合成孔徑雷( polsar )研究電磁波的量特徵,通過測量和分析目標的極化散射特性,獲取目標的介電常數、物理特性、幾何形狀和取向等方面的大量信息。
  3. Radar echoes include echoes of lands, islands, all kinds of moving targets, racon, sart and sea, etc. arpa marks consist of fixed range marker, variable range marker, electronic bearing line, guard zone, heading - line, parallel index ( 4 navigation lines ), vector lines ( or pad ) and past track information of tracked target ships, marks of trial manoeuvres, ect

    回波包括陸地、島嶼回波,各種活動目標的回波,雷康、 sart回波,海雜波等。 arpa符號包括包括固定距標圈、活動距標圈、電子方位線、警戒圈、船首線、 pi線、已錄取目標的量線以及歷史航跡(或pad ) 、試操船符號等。
  4. A doppler radar only measures the component of the velocity in the line of sight, the so - called radial velocity

    因為多普勒雷探測到的僅僅是風量在徑向上的分量。
  5. Just two weeks and two credits shy of graduating, pitt crammed all of his earthly belongings in the rattletrap datsun he called " runaround sue, " and headed out to hollywood to become a movie star

    就在畢業前的兩周,皮特留下未修完的兩個學分,將他的所有家當打包塞進那輛被他稱為「不倫的蘇」的破舊特桑汽車,向好萊塢駛去,志做一名電影明星。
  6. The effect is almost unbearably suspenseful, leading to an explosive climax of supreme defiance and samurai swordplay, erupting from a battle of wills, called bluffs, and hotly defended honour. for connoisseurs of samurai action, harakiri is not to be missed

    小林正樹在片中展示出超凡的營造氣氛手段,武打場面不多,但卻精彩絕倫仲代更有著他從影以來的最佳演出。
  7. Finally, the impedance analytical expression for the solenoid coil with a finite - length ferrite core carrying time - harmonic current is obtained through the magnetic vector potential

    最後由量磁位得到帶有限長磁芯的放置式通電圓柱線圈的阻抗解析表式。
  8. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大量國內外相關文獻的基礎上,本文綜述了國內外對該系統研究概況,闡述了該類系統原理和特點;闡述了量控制的基本原理,並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬系統和泵控缸系統的數學模型,並給出了模擬分析;設計了用於泵控馬系統的集成閥塊,加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題,本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。
  9. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上到了課題要求。
  10. According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions

    進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、分散顆粒介電常數、體積分數、絕緣油介電常數、位置量( ? )等量的函數)的西北工業大學應用物理系碩士學位論文摘要理論表式。
  11. Line integral convolution ( lic ) is one of texture - based methods for vector field visualization. even in the vector direction changing sharply fields, the method can show the direction of the vector field well, and display details of the vector field better. in addition, it can fully disclose the relativity among every spot of the vector field

    線積分卷積( lineintegralconvolution , lic )方法是一種基於紋理生成技術的量場可視化映射方法,線積分卷積法能連續反映場中各點切,即使在量方向變化很大的區域,也能揭示出量的方向,可以較好地表量場的細節。
  12. There are two kinds of retrieval model, full text retrieval and content retrieval, and the vector space model ( vcm ) of the latter is a widely - used method with better effect. the best excellence of vcm is the predominance of knowledge presentation, which expresses documents with vectors in vector space and changes the comparability issue to the distance of vectors, and thus reduces the complexity of documents matching. however. we can not affirm the absolute effect of it, and in this thesis we prove its nonproficiency through experiments

    向量空間模型最大的優點在於知識表示方法上的巨大優勢,用n維空間的向量表示文檔,用向量之間的夾角表示文檔的相似度,從而將文檔信息的匹配問題轉化為向量空間中的量匹配問題,將難以計算的文字量化成很容易計算的實數,使問題的復雜性大大減小。但是,並不能夠說目前的向量空間模型是最理想的,本文通過實驗證明了vcm表信息的不精確性。
  13. Hereas the fact was that there were more battle and the number of the human who ad the character of " kind " was too less, mencius thought the reason was that any of them had not hold the character of " kind ", so he hoped that everyone ade great efforts to seek the character of " kind " and he proposed the means of cultivate the gas of vast " that had the mystery color

    然而在現實中,真正具有「仁」的品質的人太少,爭斗太多,孟子認為這是因為人們大多數沒有存住「四心」 ,只有少數聖人到此要求,因此孟子思想中更多地強調人們要志不渝的去求「放心」 (即失去的四心) ,從而提出具有神秘色彩的「養浩然之氣」的道德品質修煉方法。
  14. For correcting of facial esthetics and severe skeletal discrepancies, the patient was treated orthodontically with edgewise appliances and surgically with mandibular bilateral sagittal split and inferior border osteotomies

    為了成改善顏面外觀與嚴重顎骨異常的問題,此患者接受角線裝置與下顎骨雙側狀劈開截骨術與下顎下緣截骨術。
  15. The svpwm method has been adopted in the pmsm speed control, also to obtain the good results in cooperation with the chopper control

    永磁同步電機變頻調速採用空間電壓量pwm方法,並與斬波器協調控制到良好控制效果。
  16. The client uses the scheme based on browser and java applete together. the map display mode uses the scheme based on vector map and grid map. thus the better combination of functions with load can be gained through respective strongpoints

    客戶端採用了基於瀏覽器和java小應用程序的結合方案,而地圖的顯示方式也採用結合量圖和柵格圖的方案,這樣可以利用各自的優點來到更好的功能負載結合點。
  17. Using the vector potential, the expression for calculating inductance of air - cored solenoid coil is derived in the dissertation. and the calculating methods of function t in the calculating expression are given for the convenience of the calculation of inductance while the precision is not strictly requested

    利用量磁位a直接推導出了通電空心圓柱線圈電感的計算表式,給出了求解計算式中函數t的計算方法,以方便精度要求不高時的電感計算。
  18. Never staying at the effort done yesterday, people of dongda will keep themselves going ahead all the time

    換來的是令人稱羨的榮譽在瞬息萬變的市場競爭中東人憑著志不移的信念
  19. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法,把陣元問的互耦用陣列的歸一化阻抗矩陣來描述,推導了均勻線陣的最佳權量及信號干擾噪聲比的表式,模擬計算了互耦對自適應天線陣列的信號干擾噪聲比的影響,給出了一種校正互耦的方法,數值模擬了校正的效果。
  20. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
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