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- To improve the channel capacity, a new Alamouti space-time block coding (STBC) multiple-input multiple-output (MIMO) system was employed for underwater communications. 摘要为了提高水声信道的信道容量,将多输入多输出(MIMO)技术用于水声信道,提出一种基于空时分组编码(STBC)的MIMO通信系统。
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- In order to improve the transmited rate via compensating the channel's attenuations, it is significant to research the the characteristics of reentry telemetry channel. 研究再入遥测信道特性,对信道衰落进行补偿以提高传输速率意义重大。
- Simulation results show that this scheme can highly improve the image quality compared to EEP and UEP scheme proposed previously especially when the channel is in bad condition. 试验证明本方法与以前文献中提出的EEP方法以及UEP方法相比,在信噪比低时即信道条件恶劣的情况下,能够明显提高恢复图像的质量。
- Ships must follow the channel into the port. 船只必须沿航道进入港口。
- The channel of the river filled up with mud. 河道塞满了泥。
- Several privateer often cruise near the entrance of the channel. 几只武装民船经常在这个海峡的进口附近巡航。
- A system to develop or improve the memory. 记忆术发展或提高记忆的一种系统
- England is separated from France by the Channel. 英国和法国之间隔著英吉利海峡。
- The simulation results show that the strategy can reduce the new call blocking probability,improve the channel utilization and QoS while guaranteeing the handoff blocking probability compared with FCRS (fixed channel reservation scheme). 仿真结果表明,与传统的固定分配预留保护信道FCRS(fixed channel reservation scheme)的策略相比,在保证一定切换呼叫阻塞概率的情况下,该策略能有效地降低新呼叫阻塞概率,提高信道利用率和系统的QoS(quality of service)。
- Improve the socialist legal system. (二)加强社会主义法制建设。
- Steam boats carried thousands of visitors across the channel from Europe. 轮船把成千上万的人从欧洲大陆送过英吉利海峡。
- Based on the iterative decoding principle of Turbo code, the algorithm improved the channel esti- mation accuracy using output of decoder. 该方法基于Turbo码的迭代译码原理,将信道估计和译码联合考虑,利用译码器输出反馈进行迭代信道估计,从而提高了估计精度。
- Their efforts to improve the production have been very effective. 他们提高生产力的措施卓有成效。
- We had a stormy passage across the channel. 我们横渡海峡时遇到了风暴。
- The channel is almost choked with silt. 水渠里淤了很多泥沙。
- He thought a lot about how to improve the crops. 他想了很多,应如何使庄稼长得更好。
- The ferry-boats ply across the Channel. 这些渡船定时往来英吉利海峡。
- Improve the system of public servants. 健全公务员制度。
- Adding salt to food improves the flavour. 食物中加盐可以提味。