适当选择调制振幅，可把离子制备在最佳压缩振动态上，并且它们的产生伴随着自发辐射的相消。
Choosing the appropriate modulating amplitude, we can produce the best squeezed vibrational state of the ion and find that its generation is companied by cancellation of the emitted fluorescence.
本文研究了自适应正交多载波频分复用（AOFDM）中根据估计出的信道特性选择调制方式的问题。
The problem of how to choose the constellation size based on the estimated channel qualities in AOFDM systems is addressed in this paper.
有多种连接方式可供选择，因为标准中并未涵盖零调制解调器连接。
Several wiring layouts are in use, because the null modem connection is not covered by a standard.
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