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  1. phase velocity

    • n.
      the speed of propagation of a sine wave or a sinusoidal component of a complex wave, equal to the product of its wavelength and frequency.
    • noun: phase velocity, plural noun: phase velocities

  2. 知識+

    • 這幾句英文要怎麼翻比較好呢(關於相速度)

      ...我很多字不認識 只因熟悉句子結構 很容易猜出意思來^__^ 1. The phase velocity(相速度) of an EM(電磁) singnal is a measure of the velocity of the harmonic...

    • 光電~~光電子學的題目~詳解

      1. 一束波長633mm(真空時波長)的氦氖雷射。找出此雷射在水中時的角波數k值 (n = 1.33). 2.導出ug為群速的方程式,其中u為相速,λ為波長,λ0為真空波長,n為折射率。 3.折射率與波長對應的變數,在像玻璃的透明物質中,會表現出大概形式的經驗等式(即為熟知的...

    • high pressure liquid chromatog

      ... on the nature of the analyte, stationary phase and mobile phase composition. The time at which a specific analyte ...analyte. The use of pressure increases the linear velocity (speed) giving the components less time to diffuse...