波傳播方向 的英文怎麼說

中文拼音 [bōzhuànbōfāngxiàng]
波傳播方向 英文
direction of wave propagation
  • 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...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 播 : 播名詞（姓氏） a surname
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 傳播 : 1 （廣泛散布） disseminate; propagate; spread; （over）; diffuse; transmit; run 2 [物理學] propag...
  • 方向 : direction; orientation
  1. An array of wave probes can be used as a directional antenna.

    排成陣列的測波儀，可作為波浪傳播方向的感觸器。
  2. In determining the attenuation for an areal array we must specify the direction of the wave travel.

    在測定一種面積組合的壓制性能時，我們必須明確波的傳播方向。
  3. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播特性：在深度方向上衰減較慢，傳播較深，波動性大.提出了在道路結構動力響應計算中，利用面波來模擬水平向傳播波，利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性，並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性
  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. Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave

    此方法的原理在於考慮一個等橫截面的圓形細桿介質，在波傳播到桿的一端時，產生了微小的軸向干擾。
  6. In chapter 4, a simulation approach is presented, which combines the outdoor radio propagation model, the eigen - driven patterns of handset diversity antenna with two feed ports and combining schemes of receiving signals, to investigate the performance of a dual antenna handset under co - channel interference ( cci ) and multi - path fading environment

    第四章首先用本徵激勵方向圖的概念來產生手機雙埠分集天線的接收信號矢量，然後將其與城市室外電波傳播模型、分集合併方式相結合，建立了分析在具有共道干擾和多徑衰落環境中手機雙天線系統的性能模型。
  7. The directivity shows that the np i is the fault plane, and that the earthquake ruptured unilaterally from the northeast to the southwest, nearly perpendicular to the strike of the java trench

    P波顯示的方向性效應表明：走向為199的節面是斷層面。破裂傳播方向為自東北向西南方向，幾乎垂直於爪哇海溝走向。
  8. Distance in the direction of propagation of a periodic wave between two successive points at which the phase is the same ( at the same time )

    在周期波傳播方向上在同一時間連續兩個相位相同的點之間的距離。
  9. The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer

    指出由於介質的各向異性，盡管忽略了流體粘度引起的粘度耗散，正交各向異性液飽和多孔介質中瑞利波的相平面和幅平面亦不再重合，為非均勻波，最大的衰減不再沿波傳播方向。
  10. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程，假設砂土滿足各向同性並處于彈性小應變狀態，豎向振動力將在飽和砂土內部產生三種波，分析了這些波的彌散曲線和特徵衰減曲線，從波傳播的角度，研究了振動力參數和土性參數對振動范圍的影響。
  11. When pure shear wave propagate in anisotropy media, even thought propagation direction is parallel to the direction of aligned cracks, experimental results exhibit that only two kinds of shear - wave velocity can be measured - fast shear wave and slow shear wave neglecting polarization direction

    這個實驗結果進一步表明，純橫波在各向異性介質傳播時，即橫波的傳播方向與裂隙平行，無論橫波的偏振怎樣改變，只能觀測到兩種橫波速度，快橫波和慢橫波。
  12. Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )

    對高能束流和電子迴流構成的雙流系統，建立冷等離子體流體模型，採用簡正模分析方法，分別考慮擾動波矢在平行於電流傳播方向的平面（記為xy平面）上和在垂直於電流傳播方向的平面（記為yz平面）上這兩種情況，推導了不穩定性的色散關系。
  13. Methods of testing plastics - mechanical properties - longitudinal and shear vibration - wave - propagation method

    塑料試驗方法.第3部分:機械性能.徑向剪切震動.試驗方法323e :波傳播法
  14. Subsequently, the primary knowledge of sound wave and the model of signal transmission are introduced. at last, the models of the narrowband and broadband array signal processing, the theory of the number of source signal estimation, the theory of invariable estimation and usage of high - order statistics in array signal processing are presented

    文中詳細介紹了聲波傳播的基本知識、信號傳輸模型；窄帶和寬帶信號的陣列處理模型；信號源個數估計理論；波達方向估計理論以及高階統計量在陣列信號處理中的應用。
  15. The change of dynamic pressure in the orientation of wave spreading follows the damping of e - index 6

    5 、堤心內沿波浪傳播方向變化的動壓遵循e指數衰減規律。
  16. Otherwise it decreases with the dielectric constant. since the direction of the particle chains is different from that of microwave transmission, which was considered to have different effect on microwave attenuation. two different erf containers for measuring the microwave transmittance were made

    考慮到微波傳播方向與電流變液顆粒鏈方向不同會造成微波衰減的不同，因此設計並製作了兩種用於測量電流變液微波透射率的電流變液樣品盒。
  17. In this paper new kinds of y - type and s - type dual - path mass - loading sensor devices fabricated on 128 ? rotated y cut x propagating linbo3 substrate are reported. there are one input idt and two output idts in these devices

    本論文在128旋轉y切割? x傳播方向的linio _ 3基片上研製了結構新型的y型和s型雙聲路聲表面波質量沉積效應傳感器件。
  18. The green ' s function for point - source excitation is also very simple in homogeneous media. however, since global basic functions like plane waves occupy the entire domain and point source excitation radiates to all directions, their evolution through a non - homogeneous medium constitutes a problem that may become at least as difficult to solve as that of the propagation of the total field

    例如dirac函數（點源）在空間域可以有精確的定位，但在傳播方向上（波數域）卻毫無確定性；而平面波（波數域的基本解）則具有精確的傳播方向，但其波前卻是無限延伸的，不具任何空間局域性。
  19. As barium titanium is a typical ferroelectrics medium, in which the variation of the polarization intensity with the field strength is nonlinear under the external electric field. the behavior of microwave propagation in batio3 er fluids was also studied when considering the microwave propagation in a direction perpendicular and parallel to the particle chains, respectively. the microwave transmittance in the fluids could be adjusted by the electric field

    考慮到batio _ 3是一種非線性介質，在外電場作用下自身介電行為變化的特殊性，對batio _ 3電流變液微波透射行為進行了研究，分別考慮微波傳播方向與電流變液顆粒鏈相垂直和平行的情況，發現batio _ 3電流變液微波透射率亦可由外電場調控。
  20. Sound intensity describes the flow of acoustic energy produced by a sound source, and it is a vector

    聲強是指單位時間內，聲波通過垂直於聲波傳播方向單位面積上的聲能量，它是個矢量。
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