束狀波 的英文怎麼說

中文拼音 [shùzhuàngbō]
束狀波 英文
beam wave
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  1. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  2. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  3. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換晶體中tsrs的影響，並計算得出了一些相關闡值，得到了驅動器工作的臨界狀態，為防止出現tsrs的光損傷提供了理論依據，對高功率激光驅動器的工程設計具有實用價值。
  4. Study on mm - wave rectangular grating traveling wave tube with sheet - beam

    帶狀束矩形柵毫米波行波管的研究
  5. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  6. Through power transmission, prism refraction and beam shifting experiments, various electromagnetic characteristics, such as refractive index, loss and s parameters, and various shaped left - handed material samples could be measured and verified between each other. 2. the beam shifting experiment is designed and realized to further verify the lh properties

    通過功率透射、棱鏡折射和波束位移三種實驗平臺，可以對多種形狀的異向介質材料的折射率、損耗等電磁特性進行準確的測量和相互驗證； 2 、提出了波束位移實驗以進一步驗證介質材料的特性。
  7. The results showed that the excitons were completely recombined after 900 fsec and the geometry structure of the polymer such as the bow and the ring - torsion angles returned to the ground states, which were the dimerization states

    結果表明，大約在900fsec之後激子復合過程結束，電子結構返回到二聚化狀態，體系的鍵序波、芳環扭角等回到基態的二聚化狀態。
  8. At last this article describes the theory of the millimeter wave object detection system and provides a project of the system in detail. this 32 - channels focal plane array imaging system operates in 8mm band. it can provide 90 15 degrees field of view, and displays the acquired image during 6 seconds in sunny and foggy

    該系統採用的是32通道焦平面陣列多波束成像體制，系統工作在8mm波段用以提供90 15視野並且在晴朗及有霧的天氣狀況下能在6秒內對周圍景物進行成像。
  9. The current status of the study of recently used metallic joint bellows installed between oil tank and pipeline are introduced, the principal theory, constraint condition and bellows - liquid coupling problem in this study are summarized, and some further research needs are also pointed out

    最後介紹了近年來在石油工業中廣泛使用的儲油罐抗震用金屬波紋管的研究現狀，概述了該項研究的基本理論、約束條件和流-固耦合等問題的處理方法，並指出需進一步解決的某些力學問題。
  10. Considering that : ( 1 ) radar can achieve its basic application of collision avoidance and warning with the only function of ranging ; ( 2 ) under high speed conditions, radar should have lager effective range than that under slow speed, we designed a new easily realizable automotive anticollision radar, which employs centimeter wave and square pulse amplitude modulation

    考慮到： （ 1 ）核心的測距功能實現以後，雷達已經能夠完成基本的防撞預警； （ 2 ）在汽車高速運行的情況下，防撞雷達的最小可測距范圍和最大作用距離應比低速狀態下大。本文採用了技術成熟，易於工程實現的厘米波脈沖雷達，以單波束輻射的方式測距。
  11. The simulation results show that to start the oscillation, the length of the resonance cavity must be well matched with the radial span of the cavity ; mismatch of them will greatly affect the microwave development ; the output power of the microwave in rtto is affected by the microwave mode obviously. under the same conditions, the output power for temooi mode is the highest, and its start and saturation time of oscillation are the shortest. the results also show that the output power will decrease with the increase of the size of the extract window ; the operating state of rtto has great close relationship with the operating current, and there exists an optimum current value

    結果表明，束電壓一定時，諧振腔腔長和徑向間距必須良好匹配微波才能起振，匹配不佳會極大地影響微波產生；微波模式對微波產生功率影響很大，同等條件下， tem _ （ 001 ）模式的微波功率最高，起振時間和飽和時間最短；微波輸出功率隨提取口的增大而減小； rtto工作狀態與工作電流的大小關系密切，存在一個最佳工作電流值。
  12. First of all, for uncertain systems and state - delayed uncertain systems, the residual generators are constructed based on full - order filters, and the fault detection and isolation problems for these two classes of systems are reduced to h filtering problems by using h control theory. the fault detection filter design is formulated as convex optimization problem subject to lmi constraints in terms of linear matrix inequalities, which can be solved readily by using standard numerical software

    首先，針對非時滯不確定系統和具有狀態時滯的不確定系統，採用全階濾波器構造殘差產生系統，利用h控制理論將這兩類系統的故障檢測與分離問題轉化為h濾波問題，採用線性矩陣不等式技術將魯棒故障檢測濾波器的設計轉化為具有線性矩陣不等式約束的凸優化問題，可利用標準的數學軟體求取。
  13. The radar echo thus received is in the form of radial beam

    這些接收到的訊號會顯示為從雷達向外伸展的條狀波束。
  14. The radar images captured in the early morning upper one and late afternoon lower one on the same day of 21 may 2003 depicts very well radial beams caused by sunlight in the direction of the rising sun east and the setting sun west respectively

    2003年5月21日清早上圖及黃昏時份下圖的雷達圖像分別清楚顯示出由太陽光所引致的條狀波束在日出東和日落西的方向出現。
  15. The radar images captured in the early morning ( upper one ) and late afternoon ( lower one ) on the same day of 21 may 2003 depicts very well radial beams caused by sunlight in the direction of the rising sun ( east ) and the setting sun ( west ) respectively

    2003年5月21日清早（上圖）及黃昏時份（下圖）的雷達圖像分別清楚顯示出由太陽光所引致的條狀波束在日出（東）和日落（西）的方向出現。
  16. Phased array radar is a detective system with multiple function, high reliability and adaptive ability, spatially the rapid scan and beam shape change characteristic of phased array antenna made its application more and more abroad

    相控陣雷達是一種具有多功能、高可靠性和自適應能力的探測系統，尤其是相控陣天線所具有的波束快速掃描能力和波束形狀快速變化能力等優點，使得相控陣雷達得到了越來越廣泛的應用。
  17. The characteristic calculation method and interference of thin film are in charter there, we analyze the history and existing state of polarizing beam splitting prism. we deduce the basic macneille pbs equation, which are the refractive index match term and phase match term. at the same time, we calculate the refraction ratio of p polarizing light and s polariz

    在第三章中，介紹了薄膜偏光分束鏡的發展歷史和研究現狀，以及macneille薄膜偏光分束鏡的設計原理，即該設計應該滿足的折射率匹配條件和相位匹配條件；計算了中， c波長處p光和s光的反射率。
  18. Stability analysis of relativistic electron beam with angular rotation propagating through nonneutral plasma background

    帶轉動的相對論電子束在非中性等離子體柱狀波導中傳輸的穩定性分析
  19. Toomany to list, and many that would be nearly impossible to describe withwords, but a few include : explosions, fire, smoke, fog, waterfalls, sparks, sparkles, fireworks, rain, snow, puddle splashes, motiongraphics backgrounds, magic effects, space warps, abstract lights, lava, flocks of birds, geometric shapes, aurora, bubbles, waves, rainbows, light beams - - dozens of different types, and hundreds ofvariations

    太多的名單，許多人表示，將幾乎無法描述文字，但有幾個國家包括：爆炸，火，煙，霧，瀑布，火花，火花，煙花爆竹，雨，雪，頂燈開復，運動圖形背景，魔術的影響，空間扭曲，抽象燈，熔巖，成群的鳥，幾何形狀，極光，泡，波浪，彩虹，光束-幾十種不同類型，數百變化。
  20. In that case, the array would transmit to the wrong beam, and the user might miss the return signal entirely

    在這種狀況下，陣列就會把訊號發射給錯誤的波束，使得用戶完全收不到傳回的訊號。
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