| 1. | A simple but effective rms delay spread estimation method is also presented
提出了一种简单有效的信道rms时延扩展的估计方法。 |
| 2. | Time delay spread
时延散布 |
| 3. | Finally , the joint estimation of channel response and rms delay spread is discussed
最后给出了一种信道响应及rms时延扩展联合估计的简单方法。 |
| 4. | The effects , caused by rms delay spread estimation , on choosing the right guard interval length is also discussed . simulation results are given as well
分析了rms时延扩展估计误差对于保护间隔长度选定的影响，并给出仿真结果。 |
| 5. | Antivirals , used intensively in an area where a pandemic is emerging , combined with other measures such as quarantine and isolation , could help to delay spread
在出现大流行的地区密集使用抗病毒药物，并与检疫和隔离等其它措施相结合，可帮助延迟传播。 |
| 6. | But the spectrum efficiency of the traditional ofdm system is limited due to variance of channel parameters such as channel response and rms delay spread
但是，决定通信系统调制参数的信道响应和rms时延扩展由于物体的运动或者环境的变化而动态变化，传统的静态确定ofdm系统调制参数的方法的频谱效率不够高。 |
| 7. | For the multipath delay spreading problem existing in the mobile communication systems , a parallel quadrature am data transmission system with a number of overlapping subchannels is investigated
摘要针对移动通信系统中存在的多径延时扩展问题，研究了一种具有很多相互重叠子信道的并行正交调幅数据传输系统。 |
| 8. | For this method , it provides an improved performance in the channel environment with a large delay spread , and hence can be utilized in the ofdm systems especially for the broadcasting systems
在延迟扩展很大的通道环境中，使用此估计非码际干扰区间的方法，在性能上有较为显著的提升，适合应用在广播系统这一类的正交分频多工系统中。 |
| 9. | In this dissertation , multiuser detection and space - time processing are combined to suppress multiple access interferences and inter - symbol interferences ( isi ) jointly in multipah fading channels with large delay spread
本文组合多用户检测和空时处理技术，在大时延扩展的多径衰落信道条件下，研究多址干扰和符号间串扰的联合抑制。 |
| 10. | A symbol amplitude of a single - user in a multi - user system is approximated over the window of the frame and a perturbative correction value is calculated based upon a correlation or decorrelation matrix , which is determined by the delay spread of the signals
在多个使用者系统内的单一使用者的符号振幅系以该画面的整个视窗来估算，并且系根据一个相关或解相关矩阵来估算，而该矩阵系由讯号的延迟分散来决定。 |
