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- If the channel fading is so deep that even one bit can not be afforded, the ARQ protocol was used for a retransmission. 如果某个分组数据由于信道衰落很大而不能正确接收,则利用ARQ协议将此分组重传。
- If the channel fading is so deep that even one bit can not be afforded, the ARQ protocol is used for a retransmission. 如果某个分组数据由于信道衰落很大而不能正确接收,则利用ARQ协议将此分组重传。
- The algorithm has robust characteristics, and it doesnot need the channel fading and the direction of arrival (DOA) information. 它无需信道衰落系数和DOA信息,是盲信号检测方法,具有鲁棒性。
- A practical experiment shows that this model is better than the rest of the wireless channel fading models in node location and deployment. 实验证明此衰落模型在实际网络的节点部署和节点定位中的作用优于其他无线信道衰落模型。
- The cooperative diversity can increase network throughput, reduce transmitting power and suppress channel fading effects. 协同分集能提高网络吞吐量、降低发射功率和抑制信道衰落效应。
- Whenever a mobile sees two (2) good frames in a row, he resets his Forward Traffic Channel Fade timer and resumes transmitting. 只要一个移动台在一行中看到2个好帧后,他就会重置他的前向业务信道衰落计时器同时重启传输。
- Since WCDMA up-link adopt the RAKE receiver using coherent detection system, the exact and Real-time channel fading estimation of the transmitted signal is needed to realize the phase correction and coherent reception. 由于WCDMA系统上行链路采用的是基于相干解调的RAKE接收方案,故要求对信号在多径衰落信道中所经历的衰落作出准确实时的估计,以便在RAKE接收机中实现相位纠偏和相干接收。
- The ORC equalization has amplificatory effect on the noise, and the controlled equalization needs a threshold determined by the channel fading, these are very difficult to be implemented. 均衡有正交性恢复(ORC)均衡、受控均衡(CE)等,但是ORC均衡对噪声有放大效应,而受控均衡需要根据信道的衰落情况来确定其阈值,在实现中比较复杂。
- According to channel fading condition and quality of service of users, the scheme is used to maximize the system capacity and performance by adjusting and borrowing subcarrier among multi-service. 该机制能够联合考虑信道衰落情况和业务的服务质量要求,在不同的业务间调整和借用子载波分配来最大化系统的容量和性能。
- The path grew more obscure in the fading light. 小径在渐渐消失的光线下变得更暗了。
- Hopes of a peace settlement are now fading. 和平解决的希望逐渐消失。
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- Hopes of a peaceful settlement are now fading. 和平解决的希望正在消失。
- Ferryboats ply across the English Channel. 渡船定期往返于英吉利海峡。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- The idea seemed to fade out and the club was never formed. 这个想法似乎被淡忘了,俱乐部始终没有建立起来。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- Fade out the storm effect here, and turn up the music. 至此宜使雷雨声的音响效果减弱而使音乐声渐强。
- Once he swam the English Channel. 他有一次横渡了英吉利海峡。