1) feedback judgement
反馈评判
1.
To resolve the SPIT hidden trouble in the ALL-IP fusion network,a detection/prevention method based on feedback judgement is proposed.
针对全IP融合网络环境下的垃圾语音信息(spam over Internet telephony,SPIT)隐患,提出了一种基于反馈评判的检测与防范方法。
2) feedback criterion
反馈判据
3) DFE
判决反馈
1.
16 standard,which adopts DFE structure with diversity combination.
该方案采用了基于分集合并的判决反馈均衡结构,不但具有较好的抗符号间干扰能力,而且可以显著改善无线通信系统的抗衰落性能。
2.
According to the model, we analyzed the adaptability of different equalizer structures and pointed out that the decision feedback equalizer(DFE) was suitable to the short-wave channel.
本文建立了基于Watterson模型的短波信道,根据该信道的特点,指出采用判决反馈结构的均衡器适合短波信道的均衡,并给出了该结构的数学模型;研究了Bussgang类盲均衡算法中的经典算法——恒模算法,对它的性能主要包括收敛速度、剩余码间干扰、相位非敏感性和迭代步长对算法性能的影响进行了仿真实验;并对现有的几种改进恒模算法进行了仿真分析,结果表明改进算法具有比恒模算法更好的性能;根据QAM信号的特点,改进了两种适合QAM信号均衡的双模式算法:一种是基于方形区域划分的变步长双模式算法,另一种是混合双模式盲均衡算法。
3.
This paper introduced the framework and Iterative Decoding method of the BICM-ID system and studied the Least Mean Square(LMS) and the Recursive Least-Square(RLS) adaptive equalization algorithm,analyzed Liner Equalizer(LE) and Decision Feedback Equalizer(DFE),and designed the system which BICM-ID Studied utilized DFE-RLS equalizer on ISI channel.
判决反馈迭代译码的比特交织编码调制(BICM-ID)技术是一种高性能、低复杂度的先进信道调制方案。
4) Decision feedback
判决反馈
1.
Novel nonlinear channel decision feedback adaptive equalizer;
新型非线性信道判决反馈自适应均衡器
2.
Decision Feedback BP Network Adaptive Equalizer;
判决反馈BP网络自适应均衡器
3.
MRC-PRC decision feedback filter for impulse radio UWB systems
一种适用于超宽带的MRC-PRC判决反馈滤波器
5) decision-feedback
判决反馈
1.
This paper puts forward an approximate decorrelation decision-feedback receiver for asynchronous dual-rate DS/CDMA System.
本文基于单速率近似解相关的方法 ,利用多速率的特点 ,提出一种用于双速率的异步CDMA系统的判决反馈近似解相关接收机 。
2.
In order to eliminate the distortion caused by white noise and intersymbol interference in radio channels during data transmission, the application of a decision-feedback equalizer in this kind of channel is proposed.
为了克服在无线数据传输中,多径时延引起的码间串扰(ISI)以及白噪声对数字信号传输质量的严重影响,提出了一种判决反馈均衡器。
3.
A blind equalizer based on fractionally-spaced decision-feedback structure, which efficiently combats the multipath fading effects of underwater acoustic channels, is discussed.
研究了一种分数间隔判决反馈盲均衡结构,以有效地克服水声信道多径衰落的不利影响。
6) feedback
[英]['fi:dbæk] [美]['fid'bæk]
判决反馈
1.
Decision-feedback based least square blind multiuser detection algorithm via antenna arrays;
一种基于天线阵列的判决反馈最小二乘盲多用户检测算法
2.
A new blind adaptive beamforming algorithm based on decision feedback using pre-despreading signals is proposed in this paper.
本文在最小二乘恒模(LSCMA)和梯度下降法(SDCMA)的基础上,提出了一种基于预解扩的判决反馈盲自适应波束形成算法,称为LS-SDCMA。
3.
A new least squares constant modulus beam-forming algorithm based on decision-feedback using pre-despreading signals(D-LSCMAFB) in DS-CDMA system is proposed in this paper.
提出了一种基于预解扩的判决反馈最小二乘恒模波束形成算法。
补充资料：BCS超导电性判据（BCScriterionforsuperconductivity）
BCS超导电性判据（BCScriterionforsuperconductivity）
BCS将产生吸引的电-声子相互作用强过排斥的电子间屏蔽库仑相互作用作为超导电性的判据：
-V≡〈`-\frac{2|M_bb{q}|^2}{\hbar\omega_bb{q}} \frac{4\pie^2}{K^2}`〉平均＜0
式中Mq为电子发射或吸收一个波矢为q的声子的单散射中的电-声子矩阵元，$\hbar\omega_bb{q}$为声子能量，K2=q2 Kc2，Kc-1为库仑屏蔽长度，e为电子电荷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条