...脉冲位置调制（PPM, pulse position modula- tion），文献[5]中介绍了多脉冲位置调制（MPPM, multi-pulse position modulation），Dashan Shiu 等提 出的差分脉冲位置调制（DPPM, differential puls..
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讨论了MPPM（多脉冲位置调制）在无线光通信中的应用，同时提出了一种改进型多脉冲调制方式——（IMPPM）。
The application of MPPM(Multi-Pulse Position Modulation)in optical wireless communication was studied in this paper, and a new modulation technique described as Improved MPPM(IMPPM)was presented.
本文研究了随机脉冲位置调制与脉冲之间随机相位调制相结合的脉冲多卜勒雷达信号。
In this paper, a PD radar signal is researched, which is modulated by randomly staggered pulse sequence whose phase is also modulated by random binary-phase code.
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