该自适应多用户检测方法不需要发送训练序列。
The adaptive detector does not require training data sequences.
同时通过合理设计训练序列的长度,可扩大频偏估计范围。
The estimation of frequency deviation range will be expanded with rational training sequence length.
然后计算训练序列与标准步态模型之间的动态时间规整距离,确定阈值。
Thresholds are determined by dynamic time warping (DTW) distance between training sequences and standard model.
然而频繁的发送训练序列严重制约了多用户检测技术的实时性和实用性;
Blind multiuser detection technology can detect the exptected user with only needing the spreading codes and without train sequences and without information of users.
通过数据相关运算,结合构造训练序列的特点,得出比较准确的频率偏移值。
Base on structure characteristics of the training sequence, a quite accurate frequency offset can be obtained through a data correlation operation.
盲均衡就是不借助于训练序列而仅仅利用接收序列就实现均衡的一种新兴的均衡技术。
Blind equalization techniques rely on solely the received channel output signal to adjust the equalizer weights without a known training sequence available.
利用训练序列与信息序列的不相关特性,在没有带宽损失的情况下初步估计出信道参数;
In the first place, by exploiting the uncorrelation between the training and information sequences, primary channel parameters were obtained without loss of bandwidth.
本文提出了关于叠加训练序列的一种能量分配方案、两种最佳叠置结构和一种同步算法。
The power allocation scheme, two superimposed structure and the synchronization scheme with superimposed training are proposed to solve these problems.
大多数狗可以克服运动病通过脱敏他们用同样的训练序列的步骤如上文所述,在幼犬培训。
Most dogs can overcome motion sickness through desensitizing them by using the same training sequences of steps as described above in the puppy training.
针对提高无线信道的传输性能,提出了改进的基于叠加训练序列的MIMO信道估计算法。
Modified MIMO channel estimation algorithm based on superimposed training sequence was proposed for the frequency selective channel.
作为频域信道估计的训练序列要求具有平坦的频谱特性,可以快速准确地对信道进行估计。
The training sequence of channel estimation in frequency domain should have flat spectrum, which can estimate channel fast and exactly.
最近,有学者提出隐训练序列的方法,将用户信息与周期训练序列进行叠加,然后再发送。
Recently, some scholar mentioned implicit sequences, send the symbols that periodic sequences superimposed on information symbols.
选取不同交通状态的视频训练序列,将本文方法同中值法、一致性检测法进行了对比实验。
By experiments, the proposed method was compared with the median method and the sample consensus method under different traffic conditions.
通过引入线性增长的周期性训练序列和失真检测算法,实现了预失真器非迭代方法的参数捕获。
Non-iterative method for capturing parameters of the predistorter was realized by the means of linear increasing periodic training sequence and distortion estimation algorithm.
首先介绍了单天线系统下的信道估计方法,包括基于训练序列,导频的估计算法和LS估计算法。
It introduces the estimation algorithms of single-antenna system, including training sequences, pilots estimation and LS estimation at the beginning.
在常规的迫零或最小MSE均衡器中,会发送一个确知的训练序列给接收机,以便调整均衡器系数。
In the conventional zero-forcing or minimum MSE equalizers, a known training sequence is transmitted to the receiver for purpose of initially adjusted the equalizer coefficients.
然后重点研究LS估计下的最优训练序列设计方法,包括正交训练序列设计和移相正交训练序列设计。
Then basing on the LS estimation, the paper researches the best design methods of the training sequence including the orthogonal training and shift orthogonal training sequences.
这种估计方法不需要利用任何训练序列或导频信号,进一步提高了系统频带利用率,降低了计算复杂度。
This estimation algorithm doesn't need any training sequences or pilot signal, therefore improves band efficiency and lower computational complexity.
本文主要研究了基于训练序列的多输入多输出(MIMO)时变频率选择性衰落信道的估计与跟踪问题。
The problem of channel estimation and tracking for MIMO time-varying frequency-selective channels is investigated based on training sequences.
第五章研究了基于一阶统计量的叠加训练序列的半盲信道估计方法,并结合检测结果来提高估计的精度。
In order to improve channel estimation's precision, in chapter 5, semi-blind channel estimation and detection using superimposed training's first-order statistics were studied.
侦察的方法包括:对频率校正信道的侦察采用了直接频谱分析法和通过同步信道训练序列的相关计算方法;
First, based on the characteristics of FCCH in GSM, analyzing the frequency spectrum and the correlation of SCH training sequence are two ways introduced to capture FCCH.
在俱乐部训练基地的会议观看了欧文跑步以及进行正规的训练序列,这对于球员和俱乐部来说都是一个进步。
The session at the club's training complex saw Owen running and undergoing some tailored training sequences and will have acted as a boost to both player and club.
“盲均衡”和“盲辨识”分别是指在不需要训练序列的条件下,对未知发送信号的估计和对未知信道的估计。
Blind equalization and blind channel identification mean that estimate the unknown sending signals and unknown channel respectively when there is no training serials.
提出了一种估计MC CDMA系统FFT起始时间偏差的新方法,采用连续训练序列来获得最初时间同步。
A new method to estimate the FFT block timing offset in the MCCDMA system is proposed. Consecutive training sequences are used to acquire the initial time synchronization.
因此,在数据通信系统中不必发送训练序列,可以提高信道效率,同时盲均衡技术还可以获得更好的均衡性能。
So in the digital communication system a training sequence isn't transmitted, which can raise the channel's efficiency.
盲信道估计算法因完全不需要发送导频或训练序列,提高了系统的频谱利用率,受到了研究人员越来越多的关注。
Because of never needing to send pilot tones or training symbols that can improve the spectrum using efficiency of the systems, blind channel estimation has gotten more and more research attention.
信道盲辨识主要指不需要训练序列而仅仅利用接收端数据以及源发送序列的统计特性和信道的部分特性进行信道辨识。
Blind channel identification aims at retrieving the unknown response of system using only the observed output and the statistics of sources and the characteristics of channels.
尤其在发射天线相关参数未知情况下,本文创新性地提出了一种利用长训练序列和短训练序列进行联合信道估计的算法。
Especially in the transmitting antenna correlated parameter unknown circumstances, an innovational channel estimation algorithm which takes use of the long & shot training sequence is proposed.
第五章整数频偏估计,给出利用长训练序列进行估计的算法描述和仿真结论,结果表明本算法对整数频偏具有较好的估计精度。
Chapter 5 discusses the integer frequency offset estimation algorithm and it is proved that this algorithm has good estimation performance by simulation.
第五章整数频偏估计,给出利用长训练序列进行估计的算法描述和仿真结论,结果表明本算法对整数频偏具有较好的估计精度。
Chapter 5 discusses the integer frequency offset estimation algorithm and it is proved that this algorithm has good estimation performance by simulation.
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