When a light pulse is made to follow a closed loop path in real space, the phase of the returning beam might be slightly off from the phase of light starting off at that point.

当一个光脉冲在一个真实的空间里沿着一个封闭的圆环运动，当它回到出发点时，其相位与刚出发时的相位可能会有些微的不同。

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We have computed the wiggler parameters, efficiency of energy conversion between electron beam and laser field, laser intensity, phase-space distributions and energy spectrum of electrons.

计算了摆动器参数、电子束和激光场之间的能量转换效率、激光强度、电子的相空间分布和能谱。

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The generalized expression for the phase-space product Q of a beam generated from a partially coherent source is presented by using coherent-mode representation of partially coherent beams.

根据部分相干光的相干模表示法，推导了由部分相干光源所产生光束的相位一空间积Q。

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