这种自适应信道估计器简单而实用。
系统的信道估计方案的实现。
比较分析了基于前导字的信道估计算法。
Comparative analysis of channel estimate algorithms utilizing preamble are conducted.
这需要通过信道估计获得信道状态信息。
It needs channel state information, which is obtained through channel estimation.
其中信道估计的过程是迭代的、自适应的。
The process of channel estimation is adaptive and iterative.
因此，信道估计和信道均衡之间有着紧密联系。
Therefore channel estimation and equalization have compact relationship.
进一步分析了信道估计错误对多用户检测器的影响。
We further analyze the effect of channel estimation error on multiuser detection.
在此基础上，改进了基于扩频序列的信道估计方法。
Then an improved proposal for the channel estimation using spread sequence was imposed.
提出一种使用矩形导频图案的OFDM信道估计方法。
A channel estimation method for OFDM systems using rectangular pilot pattern was proposed.
本文主要研究了OFDM的信道估计和均衡等关键技术。
In this paper, the key techniques of OFDM systems, such as equalization and channel estimation are studied.
第二种方法是基于虚拟子载波的子空间盲信道估计方法。
The second method is based on the virtual sub-carrier subspace blind channel estimation method.
信道估计器部分42使用已知搜索技术辨别信道脉冲响应。
A channel estimator portion 42 USES known searching techniques to discern a channel impulse response.
利用导频符号进行信道估计，并作为空间波束成型器的参考信号。
The pilot symbols were used to estimate channel and act as reference signal of beam-former.
逆扩频装置，时序检测装置，信道估计装置和频率误差测量方法。
Reverse-spread spectrum device, time sequence inspection device, channel evaluation device and method for measuring frequency faults.
信道估计是实现OFDM系统的关键技术之一，也是目前研究热点。
Channel estimation is the key technique to implement OFDM system, and is also the hotspot of research.
本文主要研究几种自适应滤波算法在信道估计和噪声消除中的应用。
In this paper, we focus on the application of adaptive filtering algorithms to channel estimation and noise cancelling.
信道估计的方法从大的角度可以分为非盲估计、盲估计和半盲估计。
Channel estimation methods can be grouped into non-blind estimation, blind estimation and semi-blind estimation.
作为MAP译码算法的必要参数，信噪比通常通过信道估计单元得到。
As a necessary input parameter for MAP decoding algorithm, SNR was normally obtained from the channel estimation unit.
这是一篇比较有价值的关于MIMO信道估计与接收端信号检测的文章。
This is a valuable on the MIMO channel estimation and signal detection receiving end of the article.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
在CD ma系统中，所有上行用户信号的信道估计信息都可以在基站上获得。
In a CDMA system, channel estimates of all received user signals were available at base stations.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
There are many key technologies about the single-user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
无线OFDM系统中基于导频辅助的信道估计必须折衷考虑算法性能与算法复杂度。
The tradeoff between performance and complexity must be taken into account in channels estimation algorithm of wireless OFDM systems.
本文根据OFDM系统特点，分析了OFDM系统的时域载波频率捕获和信道估计方法。
We propose new carrier frequency acquisition and channel estimation algorithms based on the time-domain analysis of OFDM system.
信道估计和信道均衡无疑是数字电视地面广播标准接收机设计中所要考虑的核心问题之一。
Channel estimation and equalization are one of the core problems in the design of receivers in Digital Television Broadcasting-Terrestrial Standard.
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.
本文主要研究适用于突发OFDM传输系统的同步技术，包括定时、频偏估计和信道估计。
The synchronization techniques for burst packet transmission mode OFDM systems is studied, including timing, frequency offset estimation and channel estimation.
在基于频域导频的信道估计中，研究了导频子载波处的信道估计方法和数据子载波处的信道估计方法。
In the frequency domain pilot channel estimation, this thesis studies the pilot subcarrier and data subcarrier channel estimation algorithms.
在基于频域导频的信道估计中，研究了导频子载波处的信道估计方法和数据子载波处的信道估计方法。
In the frequency domain pilot channel estimation, this thesis studies the pilot subcarrier and data subcarrier channel estimation algorithms.
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