Comparative analysis of channel estimate algorithms utilizing preamble are conducted.
比较分析了基于前导字的信道估计算法。
If the channel estimate algorithm is too complicated and inaccurate, it must be a bad influence to the later algorithms.
如果信道估计算法太复杂和不够准确都将对后面的算法实现产生不利影响。
The algorithm analyzes the system in the frequency domain, then simplifies the finite-impulse-response channel estimate into several memoryless systems.
该算法从频域角度出发，从而将有限冲击响应信道的识别简化为一系列的无记忆系统识别问题。
This paper mainly fulfills realizing the real Time Channel Estimate (RTCE) Technology of adaptive High-Frequency (HF), which is one of the digital businesses.
本文主要完成数字化业务中的一项——高频自适应中实时信道估值技术(RTCE)的实现。
Meanwhile, the communication system analysis based on determinate channel model demonstrates that the robustness against the channel estimate error is evidently enhanced.
同时，基于确定信道模型的通信系统分析显示，该方案的抗信道估计误差的鲁棒性明显提高。
In chapter 4 relatively all-around research on channel estimate is investigated and a simple LMMSE channel estimate scheme of OFDM system based on Software Radio is put up.
第四章对OFDM系统的信道估计技术进行了比较全面的研究，并提出了软件无线电平台OFDM传输系统中的简单lmmse信道估计器的设计方案。
The pilot symbols were used to estimate channel and act as reference signal of beam-former.
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。
A new method based on column vector average of the autocorrelation matrix without eigendecomposition is presented to estimate the channel vector.
本文提出一种基于相关矩阵列矢量平均的信道估计算法，该算法不需要特征分解或跟踪。
Maximum likelihood sequence detection (MLSE) is broadly use in the digital communication system to estimate the transferred data through the ISI channel with noise.
最大似然序列检测技术被广泛应用于数字通信系统中来估计通过有噪声的符号间干扰（ISI）信道传输的数字数据序列。
DFT is used to estimate the covariance matrix of downlink channel of the path, not calculating DOA.
在不求出DOA的情况下，采用离散傅里叶变换来估计该路径下行信道协方差矩阵。
Error code instrument is a basic test instrument to estimate channel performances.
误码仪是评估信道性能的基本测量仪器。
Compared to the traditional decoding algorithms, the proposed scheme is no need to estimate the correlation matrix of the channel and pre-code at the transmitter, and its coding complexity is reduced.
与传统解码的算法不同，该算法无需在发送端进行信道相关矩阵的估计和预编码，降低了发送端的编码复杂度。
The pilot symbols were used to estimate channel and acted as reference signal of beam-former.
利用导频符号进行权向量更新算法，并作为空间波束成型器的参考信号。
This paper presents a blind algorithm to estimate the signal-to-noise ratio(SNR) of a communication signal in multipath Rayleigh fading channel .
提出了一种在多径瑞利衰落信道中的信噪比盲估计算法。
The training sequence of channel estimation in frequency domain should have flat spectrum, which can estimate channel fast and exactly.
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。
Demonstrating the feasibility using CS (Cyclostationary) algorithms to estimate frequency offset in selective channel.
验证了把CS(周期平稳过程算法)应用于选择性信道下进行频偏估计的可行性。
It is very important to estimate correctly the channel in order to determine the data transferred by a transmitter.
为了能够正确估计发射端的数据，信道的正确估计是非常重要的。
The estimator presents both the estimate of instantaneous RDS and the estimates of noise variance, channel power and SNR of current channel with low computational comp.
该估计器能以较低的计算复杂度给出RDS、噪声方差、信道功率和信噪比等多个实时信道参数的准确估计。
The systems of mobile channel field strength estimate are significant for application.
移动信道场强预测系统在实际应用中具有重要意义。
When the channel can be estimated and this estimate is sent back to the transmitter, the transmission scheme can be adapted relatively to the channel characteristics.
如果可以估计信道的参数，并将这些估计信息反馈给发送端，发送端就可以根据信道参数自适应调整发送策略。
The specific measure taken is to average the multiple channel spectra so as to estimate correctly the amplitude spectra of seismic wavelets.
具体实现采用了多道谱平均法，以正确估算地震子波的振幅谱。
The direct DFT based channel estimation method uses comb-type pilot symbol and discrete Fourier transform (DFT) to estimate the channel.
有一种直接基于DFT的信道估计方法利用均匀梳状分布的导频符号和离散傅立叶变换（DFT）完成信道估计。
Blind equalization and blind channel identification mean that estimate the unknown sending signals and unknown channel respectively when there is no training serials.
“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。
The simulation results showed that the estimate-time of Solution I was reduced remarkably, but the reliability of estimation was limited by the channel condition and the decode-depth;
经过仿真发现，方案一虽然能在很大程度上缩短估计时间，但可靠性受到信道条件和译码深度的限制；
Robust time delay estimation method based on least mean p-norm blind channel identification(BCILMP) was proposed and applied to estimate the propagation velocities of GEA.
根据分数低阶统计量理论，本研究提出一种基于最小平均p范数盲信道辨识的韧性时间延迟估计算法（BCILMP），对胃电信号传导速率进行估计。
According to the results of this re search, digital baseline estimation method can estimate baseline optimally, and it is very suitable to be used in digital multi-channel pulse height analysis.
研究结果表明，数字基线估计方法能实现最佳基线估计，特别适于在数字化多道脉冲幅度分析中使用。
With the influence of channel to signal, we get the mathematic module of receive signal and summarize the signal parameter that need to be deal with by estimate method.
本文根据信道对于信号的影响，得到了接收信号的数学模型，并总结了需要估计方法处理的信号参数。
Blind estimation dose not need the pilots and USES the received signal to estimate the channel state information.
盲估计不需要导频符号，直接利用接收的信号对信道进行估计。
The traditional bubble frequency correlation to estimate regular channel could not be used to predict the narrow channels.
根据常规通道内的经验计算公式，不能很好地描述窄流道中的汽泡频率特性。
The traditional bubble frequency correlation to estimate regular channel could not be used to predict the narrow channels.
根据常规通道内的经验计算公式，不能很好地描述窄流道中的汽泡频率特性。
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