该文提出了一种基于最大化载波干扰比原理的含参数的预编码方案。
A new pre-coding scheme based on the maximum of carrier-to-interference is proposed in this article.
多载波信号的峰值平均功率比远远大于单载波系统,而且峰平比随着子载波个数无限增长。
The ratio of peak and average power in multi carrier system is much larger than that in single carrier system, and may grow unboundedly as the number of subcarriers grows to infinity.
为了降低OFDM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.
模拟结果表明,该方法比一般的载波干扰比功率控制方法性能更优,可获得更低的误码率和更高的信道容量。
Compared with conventional power control method utilizing carrier to interference ratio, the simulation results show that it can achieve lower bit error ratio and higher channel capacity.
本文主要研究了多载波相位编码(MCPC)脉冲信号,以及具有低峰值-平均包络功率比(PMEPR)的多载波脉冲串的设计。
This thesis mainly discusses the multi-carrier phase code (MCPC) pulses signal, and the design of pulses trains with low peak-mean envelop power ratio (PMEPR).
一定的传输距离和发射光功率情况下,不同的子载波数存在一个最佳的光调制指数,使得系统载噪比最大;
Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.
采用双剪应力强度理论,考虑材料的拉压强度比,求解了简支圆板在爆炸冲击荷载波荷载作用下的动力响应问题。
The dynamic response of a simply supported circular plate under moderate impulsive loading is solved with the unified strength theory.
采用双剪应力强度理论,考虑材料的拉压强度比,求解了简支圆板在爆炸冲击荷载波荷载作用下的动力响应问题。
The dynamic response of a simply supported circular plate under moderate impulsive loading is solved with the unified strength theory.
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