phase velocity 中文意思是什麼

phase velocity 解釋
相速（度）。

  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  1. The remaining factor in(7, 8. 3)is the carrier wave and its phase velocity is c.

    （7，8.3）中剩下來的一個因子就是載波，其相速度是C。
  2. Equation(4) permits a simple deduction of the relation between the phase velocity and the period.

    用方程（4）可簡單推導相速度和周期的關系。
  3. With any signal you can talk about two speeds called the phase velocity and the group velocity

    對于任何信號都有兩個速度即相速度和群速度。
  4. Each small peak in the carrier would travel to the right with the usual phase velocity.

    載波中的每個小峰都以通常的同相速度向右方運動。
  5. Experimental study on two - phase velocity field in counter - flow spray saturator

    逆流噴霧式飽和器內兩相速度場的實驗研究
  6. Effects of the relativistic electron beam on the phase velocity of rf field in accelerator

    相對論電子束對波的相速的影響
  7. Wave phase velocity

    波相速度
  8. Equation ( 4 ) permits a simple deduction of the relation between the phase velocity and the period

    用方程（ 4 ）可簡單推導相速度和周期的關系。
  9. The phase velocity basically tells you how fast a pure sine wave ( with a single frequency ) moves

    相速度可以告訴我們一個純正弦波的傳播速度。
  10. With the aqueous phase velocity increasing, the mass transfer flux increased, but the recovery extraction decreased

    由回收率的大小可以看出，電泳萃取分離技術是一種很好的處理染料水的方法。
  11. Air is entrained as water jetting into water cushion pool, the gas - liquid two phase flows field are formed. the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool. image house of two phase flows are set up

    西安理工大學碩士學位論文使用數字圖像處理技術中的piv和ptv測速技術就射流入水角75度和60度兩種情況分別測量了水墊塘模型水氣兩相流流場的各相速度場，建立了相應的兩相流流態圖像庫。
  12. Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed

    本文以裂隙介質的波動理論作指導，根據hudson裂隙理論，求出eda介質的彈性參數。在此基礎上，應用christoffel方程求出的地震縱波相速度表達式，探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。
  13. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線，實驗結果表明，溫度漲落的中性曲線在低格拉斯霍夫grashof數
  14. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是：當脈沖長度接近等離子體波長時，稀薄等離子體將發生「前向受激raman散射」 ，它使脈沖后沿拉長，導致尾流場的相速度變小，以至於被尾流場「捕獲」的電子最大動能大大下降。
  15. Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave

    因為embp不穩定性所激發的波和束流電子之間的共振相互作用，束流電子不是連續地傳播，而是以電流團的形式傳播，傳國防科技大學研究生院學位論文播速度接近於波的相速度。
  16. Kc of each higher mode in ridge waveguide is a very important parameter, once kc is obtained, the wavelength, phase constant, phase velocity, waveguide wavelength, equivalent reactance, equivalent admittance and so on can be obtained simply. then ridge waveguide devices can be designed based on these paremeters. in view of the widely use of ridge waveguides, the research of kc is very important in practice

    由於脊波導中主模及各高次模的kc是一個很重要的參數，求出了kc ，可以很簡單地求出、相移常數，相速、波導波長、等效電抗、等效導納等等，求出這些參數后就可以用各種方法設計脊波導元器件了。
  17. The increasing of the width of the groove makes the phase velocity decreased largely but almost no effects on the bandwidth, and the coupling impedance enhanced

    槽口寬增大相速減小較多，頻寬幾乎沒有什麼變化，耦合阻抗增大。
  18. With the radius of the center conductor increasing, the phase velocity is also decreased a lot, the bandwidth is relatively widened, and the dispersion of the structure is weakened but the coupling impedance is lowered

    軸半徑增大，相速明顯減小，頻寬有一定程度的增加，色散減弱，耦合阻抗值降低。
  19. ( c ) for the helical swallow - tailed structures with same groove width, the deep groove depth one which is suitable for the use in a interaction system of high power twts, has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles

    （ 3 ）具有相同槽日寬度的燕尾形螺旋槽結構在槽深度較深情況下用作大功率行波管的互作用系統具有最大的耦合阻抗和最低的相速。
  20. Patients with augmented caloric nystagmus in light during routine caloric test were all rechecked, and the slow - phase velocity was measured with electronystagmographic recordings to calculate the visual suppression index

    摘要在常規溫差測驗中，出現視覺抑制消失而明室下溫差眼振增強之病人，給予重復檢查，並以眼振電圖記錄之。
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