片语

angular spectrum theory角谱理论

angular-energy spectrum角度

angular spectrum representation method角谱表示法

orbital angular momentum spectrum轨道角动量谱

angular-spectrum representation角谱法

Angular momentum transfer spectrum角动量输送谱

angular power spectrum以角功率谱

angular neutron spectrum中子角度谱

英汉例句

• then, the effective distance expression of angular spectrum along optical axis has been introduced by comparing this equation with the free propagation equation.

  接下来，将此传输方程与光在自由空间的传输方程相比较，引入了角谱轴向传输的等效距离公式。

• the angular spectrum of spontaneous emission in a wo-dimensional undulator free-electron laser is analyzed theoretically.

  本文对二维摆动磁场自由电子激光的自发辐射频谱进行了理论分析，并对分析结果进行了数值计算。

• the influence of the size and the modulation amplitude of the defects on the intensity distribution and angular spectrum of the beam is also studied.

  详细研究了振幅调制型「缺陷」的尺寸大小及调制幅度对受调制光束的光强分布和角谱影响。

• under the condition of small amplitude, the operating equations of the wiggler are given, and then, the trajectories of the beam electrons and the angular spectrum of spontaneous emission are derived.

  在小振幅条件下，给出了摆动器的工作方程，导出了束电子的运动轨迹和自发辐射谱分布。

• based on the vector angular spectrum representation of maxwell's equations, the diffracted plane wave is decomposed into the te and tm terms.

  运用麦克斯韦方程组的矢量角谱表述，将平面衍射波分解为te项和tm项。

• by using the angular spectrum representation, the propagation law of the second intensity moment are given for the axially symmetric paraxial and nonparaxial scalar beam.

  应用标量光场的角谱表示，推导了具有轴对称性的傍轴、非傍轴标量光束的光强二阶矩的传输规律。

• when diffraction problems are solved by the angular spectrum theory, high speed and high accuracy can be obtained, especially for near-field fresnel diffraction.

  用角谱理论来处理衍射光场，不仅速度快，而且在处理近场菲涅耳衍射光场时的準确度是其它方法无法比拟的。

• the theory of the angular spectrum and the uncertainty relation in quantum theory are applied to discuss the ultra-highresolution beyond rayleigh diffraction limit.

  利用角谱衍射理论和量子力学不确定关系对于扫描近场光学显微镜的基本原理——超衍射极限分辨率的突破进行了定性分析。