| 1. | At last , this paper analyses the transmission delay of real - time foip ,
最后，本文对实时ip传真的传输时延问题进行了分析。 |
| 2. | Network transfer delay
网络传输时延 |
| 3. | However , internet transmission time delays , delay jitter and bandwidth limitation and variation are unfavorable to the teleoperation system
但是，互联网的传输时延、时延抖动及带宽限制和带宽变化都对遥操作系统不利。 |
| 4. | But it is very difficult under water . electromagnetic waves do not propagate over long distances under water except at extremely low frequencies
而且，存在着环境噪声高，带宽窄，可用载波频率低和传输时延大等诸多不利因素。 |
| 5. | Simulation results show that the algorithms are advantageous in improving system performance , reducing redundancy , shortening transmission time - delay and cutting cost
仿真结果说明本文的算法在提高系统性能、降低系统冗余、缩短传输时延和节约成本。 |
| 6. | In order to overcome the influence of time delay , this thesis introduces virtual environment into teleoperation system and put forward several settlement measures aiming at transmission time delay
为了克服时延的影响，本文将虚拟环境引入遥操作系统中，并针对传输时延的统计规律，提出了若干解决方案设想。 |
| 7. | Congestion often results in decline of quality of service ( qos ) in terms of transmission delay and throughput , while the network resource utilization like bandwidth and buffers are also affected seriously
拥塞容易造成传输时延和吞吐量等服务质量( qos )性能指标下降，严重影响带宽、缓存等网络资源的利用率。 |
| 8. | With the increasing of the number of parallel channels , the throughput of system can be improved and the transmission delay can be decreased . at the same time , the buffer of the receiver can be also reduced
而且通过增加并行操作的子信道数，可以做到提高吞吐量，减少传输时延的作用，同时还能降低接收端对缓冲容量的要求。 |
| 9. | However in the practice spread spectrum communication system , the phase of the received signal is likely to be uncertain because of the instability of transmitter and receiver ' s clock , transmission delay and multi - path
而在实际的扩频系统中，由于收、发机时钟不稳定、电波传输时延、多径效应等原因造成接收信号中扩频序列相位不确定。 |
| 10. | Two sova decoding algorithms in ofdm system based on bpsk modulation with fading channel were presented . one is called bce _ sova , which is based on adaptive blind channel recognization . it can adaptively estimate the channel state information ( csi )
其中一种是基于自适应盲信道识别算法的sova译码算法(简称bce _ sova ) ，该算法可以自适应地估计信道状态信息( channelstateinformation ， csi ) ，由于不用训练，传输时延小，但计算复杂度高。 |
