So OFDM system has requirement to research and design radio channel equalizer.
因此，对OFDM系统的信道均衡设计提出了要求。
It consists of a channel equalizer and code matched filter. The equalization algorithm is based on zero forcing (ZF) criterion.
此算法由信道均衡器和匹配滤波器组成，信道均衡是基于迫零均衡准则。
The new algorithm is better than classical LMS that is verified by computer simulation of adaptive channel equalizer, while the computional amount is only increased slightly.
在计算机仿真自适应信道均衡中，该算法的性能明显优于传统的LMS算法，而计算量增加甚少。
The new algorithm is better than classical LMS that is verified by computer simulation of adaptive channel equalizer, while the computational amount is only increased slightly.
在计算机仿真自适应信道均衡中，该算法的性能明显优于传统的LMS算法，而计算量增加甚少。
Because blind channel equalizer can reduce the intersymbol interference without the assistance of the transmitted sequence, it has been becoming a very popular research topic in recent years.
盲均衡器由于不需要训练序列，仅利用接收信号的统计特性就能对信道特性进行均衡，消除码间串扰，成为近年来通信领域研究的热点课题。
For the FMT system, a decision-aided equalizer could overcome the floor effect of the decision feedback equalizer which is caused by the multi-path channel.
提出的辅助判决均衡器在用于滤波多音调制系统时，可克服判决反馈均衡器在多径信道下的地板效应。
According to the channel sorting, typical equalizer configurations and equalizing algorithm and problems of their applications are discussed.
根据信道分类讨论了典型的均衡器结构和均衡算法及经典算法在实际使用中所遇到的问题。
The DSCMA-based multipath underwater acoustic channel blind equalizer has many features such as fast convergence, low excess mean square error and low computational complexity, etc.
而基于双层符号常数模的多径水声信道盲均衡器，具有收敛速度快，超量均方误差和计算复杂度小等特点。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with other equalizer algorithms in the characteristics of mean squared error and bit error rate.
在数字移动通信信道模型上，利用计算机模拟，在均方误差和误码率特性方面与其它均衡器算法进行了比较。
If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
对于传统的OFDM系统来说，如果循环前缀的长度大于信道的时延扩散值，则可以通过简单的频域均衡来解调OF DM信号。
Blind equalization techniques rely on solely the received channel output signal to adjust the equalizer weights without a known training sequence available.
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。
An improved LMS Algorithm is presented in this paper, based on which there is a semi-blind adaptive equalizer of time-variant channel for OFDM systems.
提出了一种改进的LMS算法，使基于该算法的半盲自适应信道均衡器适用于时变信道中OFDM系统。
Propose an overlap structure equalization algorithm for the pre-echo channel, which can weaken the dependence on feedforward equalizer, enhance the performance and reduce the complexity.
提出了一种对抗前径信道的重叠结构均衡算法，可以降低系统对抗前径时对前馈滤波器长度的依赖，提高系统的性能并降低复杂度。
Rather than a single carrier solution, OFDM is chosen as a result that its equalizer dealing with the problem of high channel delay spread has lower complexity.
采用正交分频多工而不采用单载波技术的原因为其用于处理高通道延迟扩散问题的等化器具有较低的复杂度。
One example includes a least-mean-square (LMS) algorithm that USES a reference signal for training the equalizer to channel conditions.
一个例子包括使用参考信号来训练均衡器到信道条件的最小均方(LMS)算法。
To overcome the signal distortion caused Crosstalk code, we must increase the equalizer in the receiver to compensate channel properties send resume correct sequence.
为了克服码间串扰所带来的信号畸变，必须在接收端增加均衡器，以补偿信道特性，正确恢复发送序列。
Both channel and echo response can be shortened at random with a single FIR equalizer by following the minimum mean square error rule.
使用最小均方误差准则，用一个FIR均衡器联合缩短信息与回波冲激响应，有效地缩短了回波和信道冲激响应长度。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
还证明了紫外信道是最小相位系统，可以进行盲均衡，结果指出，只要迭代次数足够，CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
Traditional equalizer is the linear transversal equalizer (LTE) which has poor performance when the communication channel has nonlinear characteristics.
传统的均衡器一般是线性均衡器(lte)，但当信道呈现一定的非线性特性时，LTE的性能会下降。
The bell-shaped amplitude equalizer is a conventional device commonly used for equalizing the channel amplitude distortion.
钟形幅度均衡器是均衡通路幅度畸变的常用器件。
After we obtained the channel estimation, the next work we should do is to present an algorithm for mapping the channel parameters to the equalizer efficient.
在获得信道估计值后，接下来的工作是设计一种算法来有效的将当前估计出的信道冲激响应值与均衡器抽头系数进行很好的映射。
After we obtained the channel estimation, the next work we should do is to present an algorithm for mapping the channel parameters to the equalizer efficient.
在获得信道估计值后，接下来的工作是设计一种算法来有效的将当前估计出的信道冲激响应值与均衡器抽头系数进行很好的映射。
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