| 基于MSWF的初始投影向量估计方法研究 |
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| 引用本文： | 史文森,朱海,彭汉国. 基于MSWF的初始投影向量估计方法研究[J]. 舰船电子工程, 2012, 32(2): 41-43 |
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| 作者姓名： | 史文森 朱海 彭汉国 |
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| 作者单位： | 1. 海军潜艇学院航海观通系,青岛,266042
2. 海军潜艇学院训练中心,大连,116085 |
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| 摘 要： | 分析了初始期望信号存在误码差时，信号经两级维纳滤波得到的估计值，给出了估计初始投影向量的方法。该方法可以不利用接收信号的先验信息，经过两级维纳滤波后构造初始投影向量，从而进行信号子空间的估计，降低了初始期望信号存在误差时对多级维纳滤波的影响，提高了子空间估计的精度。
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| 关 键 词： | 多级维纳滤波 期望信号 初始投影向量 子空间估计 |
Estimation of the Initial Steering Vector Based on MSWF |
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| SHI Wensen,ZHU Hai,PENG Hanguo. Estimation of the Initial Steering Vector Based on MSWF[J]. Ship Electronic Engineering, 2012, 32(2): 41-43 |
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| Authors: | SHI Wensen ZHU Hai PENG Hanguo |
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| Affiliation: | 1. Navigation System Department, Navy Submarine Academy, Qingdao 266042) (2. Training Center, Navy Submarine Academy, Dalian 116085) |
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| Abstract: | The estimation of the two stage of the decomposition wiener filter is given based on the analysis of the error of initial expect value. Then a novel estimation of the initial steering vector is proposed in this paper. Without any prior knowledge if desired signals, the sig nal subspaee can be quickly estimated by utilizing the proposed method. The impacts of the error of initial expect value is reduced. |
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| Keywords: | multistage wiener filter expect value initial steering vector estimation of subspace |
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