A unified theory for calculating the noise radiation of an infinite elastic plate excited by turbulent boundary layer pressure fluctuations is presented.

本文提出一个统一的理论计算湍流边界层压力起伏激励下无限大弹性板的噪声辐射。

youdao

The energy pattern, total radiation energy, radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed.

本文讨论了矩形脉冲激励的对称驻波天线的能量方向图、总辐射能量、辐射效率和辐射电阻等问题。

youdao

The process which produces laser is that of light enlargement of excited radiation.

产生激光的过程是受激辐射的光放大过程。

youdao

Professor George Fraser, director of the Space Research Centre at Leicester University, was excited by the radiation research.

BBC: NEWS | Health | Space lends hand to stem cell study