时域均衡 meaning in Chinese
domain equalizaiton
equalization, time-domain
Examples
- Therefore , a new low - complexity mmse time domain equalization algorithm is proposed which focuses on lowing the complexity of time domain equalizer and optimizing performance
文从降低时域均衡器计算复杂度和优化性能角度本文提出一种低复杂度wse时域均衡算法。 - In this dissertation , i make a systemic research on time domain equalization algorithm which is the key technology of dsl , and design adsl transceiver system on a chip
本论文对dsl技术中的关键技术时域均衡算法进行了系统的研究,并进行了adsl收发器片上系统设计。 - 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。 - Secondly , introduce discrete multi - tone modulation principle in detail , have a systemic and comprehensive analysis and explanation on minimum mean square error ( mmse ) channel shorten time domain equalizer design methods which are based on all kinds of cost functions , analyze their advantage and disadvantage . research on time domain equalizer structure , compare all the time domain equalization algorithm with simulation which afford a valuable reference for the choice of equalization algorithm and equalizer structure when design time domain equalizer
详细介绍离散多音频调制原理,对mmse信道缩短法和基于其他代价函数的时域均衡器设计方法的进行了系统全面的分析和阐述,分析了各自的优缺点;对时域均衡器结构进行研究;仿真比较了各种时域均衡方法,为进行时域均衡器设计时均衡算法、均衡器结构的选择提供了有价值的参考。 - The principle and characteristics of ofdm system are introduced first . then several key technologies of channel estimation and equalization for ofdm are discussed in detail , including pilot signal based channel estimation methods , cyclic prefix based channel estimation method , frequency domain adaptive filtering method and time domain equalization method for long channel impulse . the corresponding comparison and simulations are also provided
文中讨论了利用导频信号的信道估计方法,利用循环前缀进行信道估计的方法, ofdm信号均衡中自适应滤波技术,及信道冲击响应长于循环前缀时利用时域均衡减少解调器输入信号拖尾长度的方法,分析了这些方法的原理,并通过计算机仿真验证了这些方法的性能。