爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.This will result in the Inter Carrier Interference (ICI), and the synchronization error of the OFDM symbols will bring the Inter Symbol Interference (ISI). The channel state estimation will also be affected seriously.
OFDM载波频率偏差会带来OFDM的子信道间干扰(ICI),而OFDM数据符号同步的误差将会引入数据符号间干扰(ISI),同时还会对信道估计带来严重的影响。收藏指正
2.The symbol information for symbol scope blocks should occur in order of increasing addresses. This error indicates that it does not do so.
符号范围块的符号信息以增量地址的顺序出现。这一错误信息表明它没有这样做。收藏指正
3.The simulation results show that if smart antenna is utilized to suppress multipath and the synchronization error between users is limited in 3/8 chip period, the symbol error rate (SER) performance approaches single user bound (SUB) and spectral efficiency amounts to 4bit/s/Hz, after the proposed scheme is applied.
仿真结果说明采用这种发送和接收方案后,在应用智能天线抑制多径后,只要用户间的时延控制在3/8个chip之内,误符号率(SER)性能就几乎与单用户界(SUB)一致,频谱利用率可以达到4bit/s/Hz。收藏指正
4.A 772 fractionally-spaced sparse complete feedback equalizer scheme is proposed to avoid the performance deterioration caused by symbol timing error in the receiver, which is a generalized version of the previously proposed Complete Feedback Equalizer (CFE).
完全反馈均衡器(Complete Feedback Equalizer,CFE)是判决反馈均衡器(DFE)的改进。收藏指正
5.Based on the single-carrier frequency domain equalizer(SC-FDE)approach providing immunity of inter-symbol interference(ISI),a novel frequency domain balanced structure for ultra-wideband system was proposed. The optimal frequency domain balance algorithm based on minimum mean-square error(MMSE) estimation wais introduced.
借鉴单载波频域均衡(SC-FDE)系统插入循环前缀消除符号间干扰的思想,提出了一种用于超宽带系统的频域均衡结构,给出了基于最小均方误差(MMSE)估计准则的最佳频域均衡算法.收藏指正
6.After analyzing the symbol structure of pulse position modulation (PPM), digital pulse interval modulation (DPM) and dual-header pulse interval modulation(DH-PIM) in detail, the average transmission power and bandwidth efficiency are analyzed. On the meantime, the slot error rate is also analyzed on the given model.
在详细地分析了脉冲位置调制(PPM)、数字脉冲间隔调制(DPIM)和双头脉冲间隔调制(DH-PIM)等调制方式符号结构的基础上,比较了各种调制方式的平均发射功率和带宽效率,并在给定模型下分析了误时隙率。收藏指正
7.In multipath fading channel, the bit error rate (BER) performance of orthogonal frequency division multiplexing (OFDM) system using frequency domain differential detection (FDDD) is analyzed, the closed form expression of BER performance of FDDD is obtained. The results of analysis and simulation indicate that BER performance of FDDD is always affected by inter-symbol interference (ISI), but in different channel environments, BER performance of FDDD is influenced by ISI to different extend.
在多径衰落信道条件下,分析了符号间干扰对频域差分正交频分复用系统误码率性能的影响,得到了误码率的解析表达式,分析和仿真的结果表明,频域差分的误码率性能受到符号间干扰的影响,但在不同的信道条件下,符号间干扰对系统性能的影响程度也有不同。收藏指正
尝试查询
汉英释义