正交调制的目的是产生单边带RF激发脉冲，以避免激发镜像层面。
The purpose of quadrature modulation is to generate the SSB RF exciting pulse that avoids exciting it's mirror slice.
天文学团体随着脉冲星的发现重新激发了兴趣。
Interest was renewed in the astronomical community with the discovery of pulsars.
给出了衰减多脉冲光激发的双光子吸收几率的表达式。 提出了一种简单易行的实验方案。
The expression of two-photon absorption probability for the decaying optical pulse series excitation is given and a simple experimental method is suggested.
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