为了降低OF DM信号的峰平比，提出了一种适应于任意子载波数目OF DM信号PAR降低的冲激脉冲峰值相消的方法。
A novel impulse cancellation method is proposed to reduce the PAR of OFDM signal of any number of carriers.
理论分析表明，谐闪耀光栅谐振波长数目随谐波数增加而增加，因此可用于多波长斜光束的高效耦合；
Theoretical analysis shows that the number of working wavelength will increase with the increment of the harmonic number of the harmonic blazed grating.
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