輻射模 的英文怎麼說

中文拼音 [fúshèmó]
輻射模 英文
radiation mode
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 輻射 : radiation; exposure; radio; beaming
  1. Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing

    文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的，因而是一個物理的關系式，故適用於圓柱坐標中各類波動方程的定解問題.作為一個例，應用於光纖光學，導出了受導簡正模和輻射模的表達式，以及各模式的強度分佈
  2. The orbital thermal radiation model of small scale space stations is first finished, then the thermal environmental characteristic of small space stations and the variations of equivalent heat sink are obtained numerically

    論文首先建立了空間站在軌熱輻射模型，獲得了小型空間站熱輻射環境的動態變化規律和輻射散熱器等效熱沉的波動特性。
  3. The kinematics model, kinetics model, infrared radiation model and radar cross section model of bomer and the kinematics and kinetics of infrared guided missile and radar guided missile are studied

    研究了轟炸機的運動學、動力學模型，轟炸機紅外目標輻射模型與雷達散射截面積（ radarcrosssection ， rcs ）模型。研究了紅外製導導彈與雷達制導導彈的運動學與動力學模型。
  4. In the radiation aspect, the features o radiation sources in power converters are discussed. the radiation models of dm current and cm current in cables and radiative characteristics of cables and high frequency current loops in the converter are also discussed

    在功率變換器輻射emi方面，系統地討論了功率變換器各輻射源的特點，重點分析了共模電流和差模電流在電纜中的輻射模型，功率變換器中電纜與高頻電流迴路的輻射性能。
  5. According to the integral characteristic of pvdf film, two pvdf sensors are designed to measure adjoint coefficient of sound radiation mode in this paper. based on the theory of sound radiation and two - dimensional modal sensors equation, and taking a simply supported plate as example, we measure mode l, mode 2 and mode 3 adjoint coefficient of its sound radiation by the sensors

    本文是在聲輻射模態理論以及兩維分散式壓電傳感器方程的基礎上，利用pvdf獨特的積分特性，以簡支矩形板為例，設計了pvdf壓電薄膜傳感器用於測量簡支板第一、二、三階聲輻射模態伴隨系數。
  6. It is found that the fitting accuracy is higher and the mean relative error between fitted and standard value is less than 0. 3 %

    該方法的擬合精度較高，擬合值與輻射模式標準值的平均相對誤差在0 . 3 %以下。
  7. Based on pic simulation, many correlative experiments are finished. and the output power and the microwave frequency are tested. the energy of

    3 、在模擬的基礎上進行了詳細的實驗研究，分析了器件輻射信號的功率、頻率、能量以及信號輻射模式。
  8. A simple radiation model was used to calculate daily changes of the aerosol radiative heating rates and cooling rates in different months. two - stream approximation, hemispheric constant method, adding method and doubling method were applied in the computation

    採用兩流近似輻射模式，應用半球常數法近似，採用累加法和倍加法，計算了不同月份大氣氣溶膠的輻射加熱率和減溫率的日變化。
  9. Lastly, many experiments are done on the base of simulation. output power, frequency, mode and pulse shortening phenomena of the microwave radiated from the device are analyzed during the experiment. the energy of microwave radiated from the device is calculated

    最後在模擬的基礎上對該器件進行了詳細的實驗研究，分析了器件輸出信號的功率、頻率、輻射模式以及脈沖縮短的現象，同時還從能量的角度對器件輻射信號進行了分析。
  10. Chapter five, construction of enterprise education pattern, the writer proposes, on the basis of induction and explanation of practical pattern of chinese enterprise education, that a pattern group be established, including high education pattern - running - through pattern, basic education field - penetration pattern, professional education field - combination pattern and adult education field - radiation pattern

    第五章，創業教育模式的構建。在歸納和闡述我國創業教育實踐模式的基礎上，本人提出應構建一個模式群體，這一群體應包括：高等創業教育模式? ?貫穿模式；基礎教育領域? ?滲透模式；職業教育領域? ?結合模式；成人教育領域?輻射模式。
  11. Only a fundamental model for infrared radiation and radar cross section of bomber is needed at this stage because the software needs a kind of expansion by users. 2

    由於軟體最終還需要用戶進行擴充，在現階段對于轟炸機紅外目標輻射模型與雷達散射截面積模型只需採用簡單的形式。
  12. Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed

    摘要基於聲輻射模態分析，建立了外部場壓和結構表面振動速度之間關系的傳遞矩陣。
  13. Research on sound radiation modes

    對聲輻射模態的討論
  14. Because radiation modes are orthogonal each other, the corresponding sound power of each order radiation mode is completely independent

    聲輻射模態相互正交，每一階聲輻射模態下的聲功率相互獨立。
  15. That is to say, in order to measure the adjoint coefficients of sound radiation modes, we should design the particular shape of error sensor

    因此我們必須設計出誤差傳感器來測量所需控制的聲輻射模態伴隨系數。
  16. The total sound radiation power can be reduced by counteracting the adjoint coefficients of sound radiation modes of the first n radiation modes

    聲輻射模態伴隨系數與對應的輻射聲功率成正比。通過抵消前n階聲輻射模態伴隨系數，就可以使總聲功率降低。
  17. People are interested in the study of asac system based on the radiation modes of radiation structure in recent years, and the system can reduce sound radiation power by controlling radiation modes

    其中以聲輻射模態為基礎的asac系統是近年來的研究熱點。這種方法是通過聲輻射模態的抑制來使結構的輻射聲功率降低。
  18. Modal analysis of k5206nm compressor block is done, and the acoustic radiation modal parameters are calculated, then the acoustic radiation properties of the compressor block can be obtained, which provide the basis for the low noise compressor block design

    對k5206nm壓縮機機體進行了模態分析和聲輻射模態參數計算，獲得了機體的聲輻射特性，從而為機體的低噪聲設計提供了依據。
  19. Using finite element and boundary element method, a modal analysis model of complex structural acoustic radiation in light fluid is proposed for computing modal acoustic radiation frequency, farfield sound pressure, modal radiated acoustic power and acoustic radiation efficiency

    摘要採用有限元和邊界元方法建立了輕流體介質中復雜結構振動聲輻射的模態分析模型，可計算結構的聲輻射模態頻率、模態場點聲壓、模態輻射聲功率和聲輻射效率等聲場特性參數。
  20. Radiation modes are dependent on the radiator ' s geometry shape and vibration frequency, but are not relative to the material characteristic and the border condition of the radiator. further more, the radiation efficiency of the radiation modes falls off very rapidly with the increase of modes order at low frequency. the adjoint coefficient of sound radiation modes is proportional to the corresponding sound radiation power

    聲輻射模態由輻射體的幾何形狀和振動頻率決定，與輻射體本身的材料特性以及邊界條件無關；特別是在中低頻率時，聲輻射模態對應的輻射效率隨模態階數的增加而迅速降低。
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