The complex-valued modulating vectors for the subcarriers consist of two kinds of components: One is the information-bearing components superposed with pseudo-randomized phases and the other is the suppression compone...The complex-valued modulating vectors for the subcarriers consist of two kinds of components: One is the information-bearing components superposed with pseudo-randomized phases and the other is the suppression components with specified scrambling phases. The pseudo randomized phases are generated according to the predefined polynomial and mapping function whereas the scrambling phases are from a gradient algorithm. The simulation results verify the rationality and validity of the phase scrambling.展开更多
Geopolitical as well as economic concerns underlie the worldwide rush to establish petroleum exchanges New oil exchange programs have recently been mushrooming around the world. The Shanghai Petroleum Exchange, which ...Geopolitical as well as economic concerns underlie the worldwide rush to establish petroleum exchanges New oil exchange programs have recently been mushrooming around the world. The Shanghai Petroleum Exchange, which uses renminbi in its transactions, kicked off operations on August 18. In May,展开更多
文摘The complex-valued modulating vectors for the subcarriers consist of two kinds of components: One is the information-bearing components superposed with pseudo-randomized phases and the other is the suppression components with specified scrambling phases. The pseudo randomized phases are generated according to the predefined polynomial and mapping function whereas the scrambling phases are from a gradient algorithm. The simulation results verify the rationality and validity of the phase scrambling.
文摘Geopolitical as well as economic concerns underlie the worldwide rush to establish petroleum exchanges New oil exchange programs have recently been mushrooming around the world. The Shanghai Petroleum Exchange, which uses renminbi in its transactions, kicked off operations on August 18. In May,