均衡效果 meaning in English
portfolio effect
Examples
- The simulation result of the equalizer of the moderate hf channel indicated the adfe based on square - root kalman algorithm was upstanding and had numerical stability
对于中度短波信道的仿真结果表明了平方根kalman算法的adfe具有较好的数值稳定性,且对短波信道的均衡效果良好。 - An adaptive equalization method suitable for multicarrier modulation system was examined and simulation research was carried out . computer simulation results showed that the method has better effects on the underwater acoustic channel , and could be used in the practical system
研究了一种适用于多载波调制系统的自适应均衡方法并进行了仿真,仿真结果表明该方法对水声信道有较好的均衡效果,有可能应用到实际系统中。 - The proposed algorithm lows the complexity by choosing decision delay in advance and then making solution of the equalizer tap coefficient , a new decision delay choice method is proposed , solution by using weight method , diagonal matrix transform , z extension and a new energy restrictive condition which restrains noise enhance , a new decision delay choice method is proposed , the simulation result shows that the proposed algorithm has better equalization effect and enhanced performance comparing to the general mmse algorithm , simulation research on the precision and dynamic scope of parameters in digital realization time domain equalization algorithm , design software and hardware of time domain equalizer . fourthly , there exist a lot of interfere in dsl line , especially , dsl works in multi - user mode , the near end interference is serious
通过先选择判决时延,再进行时域均衡器抽头系数求解的方法降低了时域均衡计算复杂度;对于均衡器抽头系数的求解使用了加权技术,通过对角矩阵变换, z扩展,使用不同的能量约束条件对算法求解,结果表明这种约束有效的抑制了噪声增强,与常用删se比较,该算法有更佳的均衡效果,算法性能得到了提高:论文还对数字化实现时域均衡算法中每一部分参数的精度、变量的动态范围进行了模拟研究,对时域均衡的软硬件实现进行了设计。 - In this case , time domain equalization algorithm based on channel estimation will influence equalization effect if choosing noise sensitive algorithm to estimate channel , so it is necessary to adopt an anti - noise and high estimation precision estimation algorithm . in this dissertation , a new time domain equalization algorithm based on low rank hankel approximati
Dsl线路实际工作环境存在各种干扰,尤其当多用户时,串音干扰很严重,对于采用基于信道估计的时域均衡算法,如果使用对噪声敏感的算法进行信道估计,必然影响均衡效果,因此需要采用具有抗噪声,估计精度高