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
均衡: balanced; proportionate; har ...效果: effect; result整宗投资效果, 风险的均衡效果: portfolio effect均衡效应: equalizing effect平衡效果: counterbalance effect非平衡效应: non equilibrium effect; non-equilibrium effect热平衡效应: thermostatic effects均衡: 1.(平衡的) balanced; proportionate; harmonious; even 均衡发展 balanced development; harmonious development2.(平衡) equilibrium; equilibration; equating; equalization; balance; levelling; balancing 供求均衡 the equilibrium of supply and demand; 均衡汇率 equilibrium rate of exchange; 均衡价格 equilibrium price; 均衡交货 steady delivery; 均衡利率 equilibrium rate of interest; 均衡论 [哲学] the theory of equilibrium; 均衡增长 balanced growth; 均衡值 equilibrium value效果: 1.(产生的结果) effect; result 效果不大 not very effective; produce little effect; 效果显著 bring about a striking effect; be very effective; 取得良好的效果 achieve good results; 动机和效果的统一 the unity of motive and effect;医生开的那药没有效果。the prescribed medicine failed to take effect.2.[剧] sound effects均衡器,均衡: eq equalizer三边连锁不平衡效应: three-way linkage disequilibrium effect效果(模糊效果): bloom bloom效果;效用度;效果: effectiveness(饮食)均衡: have a good balanceβ均衡: beta equalization比例,均衡: proportion不均衡: disproportion◇不均衡性 malconformation氮均衡: nitrogen balance道均衡: trace equalization等重;均衡: equiponderance非均衡: disequilibrium; nonequilibrium后均衡: postconditioning均衡;等化: equalization均衡臂: balance arm均衡槽: balancing tank; equalizing tank