通过参数的选择可以建立不同的典型无线信道模型。
The model can establish some different wireless channel models through the parameter choice.
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。
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.
论文首先介绍了海洋水声信道的特性，给出了两种远程水声信道模型和相应的信道参数。
At first, characteristics of underwater acoustic channel are introduced, and two models of long distance underwater acoustic channel are given with relevant channel parameters.
因此本文着重研究了与文本无关的说话人确认系统，从参数级、模型级、系统级三个方面加强了系统的信道鲁棒性。
Therefore this thesis studies on text-independent speaker verification and channel robustness methods on feature level, model level and system level.
对多信道模型的输出应用线性预测，证明了预测误差只包含多信道模型冲激响应在第一个时隙的参数，并给出最佳线性预测器的长度。
A linear prediction approach is applied to the output of this SIMO model and we prove that the prediction error contains the parameters of the first time slot of the model impulse response.
在微波视距通信中通常采用二径模型来描述信道，简要介绍了二径模型的频率响应、损伤参数以及多径时延与天线高度、通信距离的关系。
This paper introduces briefly the frequency response, damage parameter of two-ray multipath model and the relationship between multipath time delay, antenna height and communication distance.
仿真结果表明，该模型与uwb系统信道的特征参数非常接近，能很好地仿真物理信道的参数。
It is shown that the channel model approaches well to the measured results of UWB channel and it can be used to simulate the parameters of the physical layer.
本文对这四种卫星移动信道进行了仿真运算，并将仿真数值与实测数据进行比较，从而验证了这些信道模型及其相关参数的有效性。
Through simulation computation for these four mobile satellite channels, the validity of the simulation model and corresponding parameters put through in the paper has been verified.
本文首先讨论了移动通信信道的各种参数对信道估计的影响，介绍了频率选择性信道的抽头延迟线模型和分集接收技术，在此基础上阐述了RAKE接收机的原理。
The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of RAKE receiver are described.
本文利用全阴影模型的研究结论，就实际陆地移动卫星信道部分阴影模型的仿真问题，拟合了模型参数与卫星仰角之间的关系。
These research results have been used to design the partial shadow model for simulating the same channel of LMS. The author fits the curves between the model parameters and satellite elevations.
用正弦和理论建立了信道的确定性仿真模型，并用等面积算法和等距离算法确定了模型的参数。
The paper establishes the deterministic simulation model using the theory of sine summation. The model parameters are determined using the Method of Equal Distances and the Method of Equal Areas.
随后，我们模拟了不同参数条件下(信道模型、码道数目、天线数目)这几种算法的性能，并与理论分析进行对照，得出一定结论。
Then we simulate their performance in different occasions, such as channel model, burst number and antenna number. Combing theory analyses and simulation results, we give some conclusion.
由时延和角度信息，得到一种基于参数信道模型的信道估计方法。
With the information of multipath delays and angles, an estimator based on parametric channel model is derived and the estimator's performance is analysed.
由时延和角度信息，得到一种基于参数信道模型的信道估计方法。
With the information of multipath delays and angles, an estimator based on parametric channel model is derived and the estimator's performance is analysed.
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