波的方向 的英文怎麼說

中文拼音 [bōdefāngxiàng]
波的方向 英文
wave direction
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 方向 : direction; orientation
  1. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。
  2. A 3d fiducial - referential un - esprit algorithm suitable for joint azimuth - elevation - carrier estimation in unknown noise environment

    未知噪聲背景下的波達方向及載波頻率三維聯合估計方法
  3. The orientation of the principal stresses relative to the directions of the polarizer and first quarter-wave plate is of course immaterial.

    主應力相對于起偏鏡和第一個四分之波片方向的方位，當然是無關緊要的。
  4. The machine ' s moored at one end, points into the direction of the oncoming waves

    機器一端被固定，並指向波傳播來的方向。
  5. The preparation of gold electrode of double layers and the spectroscopic and electrochemical studies when it was incubated with bacteria : cv measurement demonstrated that the defect content within the double layer gradually decreased during the incubation, sers showed that the film structure became order during the incubation and the bands of double and triple bonds shifted toward high wavenumber, too

    循環伏安測試表明在雙分子層與細菌培養的過程中，雙分子中層中的的缺陷數量逐漸減少。表面增強拉曼光譜證實在雙分子層與細菌培養的過程中，雙分子中層的膜結構變得更加有序，且其雙鍵與三鍵的共振峰也同時向高波數的方向移動。
  6. On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced

    在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。
  7. Mountain wave cloud also known as lenticular cloud, i. e. lens shaped was observed on the hilltop of lantau on 12 august 2003. the picture was taken at around 2 : 20 p. m. that afternoon at the hong kong international airport looking south - southeast towards lantau with a setting of 1 160s, f8. 0 and iso - 100 speed. at the time winds were light to moderate southerly, with showers just passing over lantau an hour earlier

    相片顯示大嶼山的山頂正蓋著一層波狀雲也稱為莢狀雲，因其形狀如豆莢照片是在二零零三年八月十二日下午二時二十分左右拍攝，地點在香港國際機場朝著東南偏東的方向，用度菲林快門為1 160秒和光圈f8 . 0 。
  8. This switched parasitic yagi - uda antenna uses a yagi - uda antenna as its prototype, and can change radiation pattern by the control of rf switch which is placed at the center of its reflector

    該開關八木天線以八木天線為原型，通過八木天線反射器中部的微波開關控制反射器的通斷來改變開關八木天線的方向圖。
  9. The main feature of aesa is to adaptive produce null in the pattern by weight control of elements in the array

    通過陣元收發幅相的權矢量控制，以使波瓣在產生干擾的方向「置零」 。
  10. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先，用基於幾何結構的單次反射圓模型和cost - 207模型，對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束，將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題；然後，用內點罰函數法估計移動臺的位置。
  11. If one know the ascending ability of the value of a company, he can know the direction of the fluctuation of the price of the stock

    如果知道一個公司的價值增長能力，則為判斷公司價值變動方向提供了依據，從而為判斷股票價格的波動方向提供了可能。
  12. Firstly, the steering vector of mainpath of desired user is estimated by using code filtering method, then dummy signals are introduced, main lobe of wave is built by using the steering vector of mainpath of desired user and side lobes is constrained by using dummy signals

    該方法首先利用碼濾波的方法估計期望用戶主徑的波達方向，然後引入虛擬信號，利用期望用戶主徑的波達方向形成波束的主瓣，並利用虛擬信號抑制旁瓣。
  13. 4 ) a uniform crb expression of bearing estimation for spatially distributed sources in unknown noise environments is derived. more exactly, the crb performance of bearing estimation for spatially distributed sources in several typical spatially - correlated noises is evaluated theoretically and numerically, respectively. it is disclosed that the estimated errors mainly depend on space ambiguity between signal and noise components

    4 ）推導了未知噪聲環境中空間分佈源波達方向估計的統一的crb表達式，分析了幾種典型的空間色噪聲情況下分佈源波達方向估計的極限性能，揭示了信號分量和噪聲分量之間的空間混疊對分佈源波達方向估計的決定性作用。
  14. Multi - user direction - of - arrival estimation in cyclic cumulant domain via spatial signature

    基於空間特徵的多用戶循環累量域波達方向估計演算法
  15. The wider range of the directional distribution of wave energy, the shorter of the mean crest lengths and the wider range of the distribution of crest directional angles. the crest height and crest length show a high relativity while the crest heights are low and become independence at very high crest height

    獲得了波峰長度的統計分佈、波峰長度與波峰高度的聯合分佈、波峰高度與波峰長度相關性、波峰長度與波峰方向角的聯合分佈以及波峰在一個大面積海域中的出現概率等結果。
  16. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap譜為頻譜，選取光易型方向函數（含三個參數） 、 donelan方向函數以及文氏方向函數等不同的方向函數進行模擬，對得到的波峰形式進行比較，分析了方向函數對波峰長度統計值的影響。
  17. But he had a vague consciousness of one thing, though it was not clear to him till later ; that his original tess had spiritually ceased to recognize the body before him as hers - allowing it to drift, like a corpse upon the current, in a direction dissociated from its living will

    不過他還是模模糊糊地意識到一件事情，盡管他這種意識當時不太清楚，后來他才想明白。那種意識就是，苔絲在精神上已經不承認站在他面前的肉體是她自己的了她的肉體像河流里的一具死屍，她讓它隨波逐流，正在朝脫離了她的生命意志的方向漂去。
  18. The source time function directivity is in accordance with the p waveform directivity, clearly showing that the nodal plane of strike 199 is the fault plane and that the earthquake ruptured unilaterally from the northeast to the southwest

    震源時間函數的這種方向性效應與p波的方向性效應相一致，清楚地表明：走向為199的節面為斷層面，地震是從東北向西南方向單側破裂的。
  19. Making use of the propagation property of the electromagnetic wave, the authors made a further discussion on the directional characteristics of the radiation electromagnetic waves from elements antenna, symmetric whip and antenna array, and analysed the effects of various factors on the directional characteristics

    摘要利用電磁波的傳播特點，對元天線、對稱振子及其天線陣輻射電磁波的方向性做進一步的探討，並分析各因素對其輻射方向性的影響。
  20. Abstract : making use of the propagation property of the electomagnetic wave, the authors made a further discussion on the directional characteristics of the radiation elecromagnetic waves from elements antenna, symmetric whip and antenna array, and analysed the effects of various factors on the directional characteristics

    文摘:利用電磁波的傳播特點，對元天線、對稱振子及其天線陣輻射電磁波的方向性做進一步的探討，並分析各因素對其輻射方向性的影響。
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