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一種基于最大熵譜估計(jì)的高分辨率時(shí)間延遲估計(jì)方法

邱天爽,  王宏禹

邱天爽, 王宏禹. 一種基于最大熵譜估計(jì)的高分辨率時(shí)間延遲估計(jì)方法[J]. 電子與信息學(xué)報(bào), 1997, 19(2): 269-273.
引用本文: 邱天爽, 王宏禹. 一種基于最大熵譜估計(jì)的高分辨率時(shí)間延遲估計(jì)方法[J]. 電子與信息學(xué)報(bào), 1997, 19(2): 269-273.
Qiu Tianshuang, Wang Hongyu. A HIGH RESOLUTION TIME DELAY ESTIMATION BASED ON THE MAXIMUM ENTROPY POWER SPECTRUM ESTIMATION[J]. Journal of Electronics & Information Technology, 1997, 19(2): 269-273.
Citation: Qiu Tianshuang, Wang Hongyu. A HIGH RESOLUTION TIME DELAY ESTIMATION BASED ON THE MAXIMUM ENTROPY POWER SPECTRUM ESTIMATION[J]. Journal of Electronics & Information Technology, 1997, 19(2): 269-273.

一種基于最大熵譜估計(jì)的高分辨率時(shí)間延遲估計(jì)方法

A HIGH RESOLUTION TIME DELAY ESTIMATION BASED ON THE MAXIMUM ENTROPY POWER SPECTRUM ESTIMATION

  • 摘要: 當(dāng)采用相關(guān)法估計(jì)時(shí)間延遲時(shí),多徑時(shí)延的分辨率受到相關(guān)函數(shù)主(?)寬度的限制。本文將最大熵譜估計(jì)方法中的Burg算法和Marple算法引入不可解的多徑時(shí)延估計(jì),可以得到較高的時(shí)延分辨率。給出了原理和性能分析以及計(jì)算機(jī)模擬的結(jié)果。
    Abstract: Multipath time delay estimation is constrained by the width of the signal correlation function when using correlation method. This paper obtains a high resolution tune delay estimation by introducing Burg and Marple algorithm of the maximum entropy power spectrum estimation to non-resovable multipath time delay estimation. The principle, the performances and the results of computer simulation are given.
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  • Carter G C. Time delay estimation for passive~signal processing. IEEE Trans. on ASSP, 1981, ASSP-29(3): 463-470.[2]So H C, Ching P C. A novel constrained time delay estimator. Proc. of ICSP93, Beijing: 1993, 188-191.[3]李衍達(dá),常迥.信號(hào)重構(gòu)理論及其應(yīng)用.北京:清華大學(xué)出版杜,1991, 170-175.[4]Jan B C, Henriquez J A, Riemer T E, Trahan R E. The modified window correlation technique for estimation of arbitrary in multichannel, multievent system. J. Acoust. Soc. Am. 1993, 93(3): 1466-1470.[5]厲力華,何振亞.關(guān)于多徑信號(hào)分辨及其性能界.東南大學(xué)學(xué)報(bào),1992, 22(5): 14-21.[6]Ianniello J P. High-resolution multipath time delay eatiation for broad-band random signals. IEEE Trans. on ASSP, 1988, ASSP-36(3): 320-327.[7]Bell B M, Ewart T E. Separating multipatbs by global optimization of a multidimensional matched[8]filter. IEEE Trans. on ASSP, 1986, ASSP-34(5): 1029-1037.[9]Urick R J. Principles of Underwater Sound, 3rd ed. New York: McGraw-Hill, 1983, 328-329.[10]Wax M. Detection and estimation of superimposed signals: (Ph.D disaertation}. Stanford, CA:[11]Stanford Univ. 1985.[12]邱天爽,王宏禹加窗LMS-ML自適應(yīng)時(shí)間延遲估計(jì).大連理工大學(xué)學(xué)報(bào),1994,34(4): 470-476.[13]邱天爽,王宏禹.二次加窗LMS自適應(yīng)時(shí)間延遲估計(jì).電子科學(xué)學(xué)刊,1994, 16(6): 577-582.[14]王宏禹.隨機(jī)數(shù)字信號(hào)處理.北京:科學(xué)出版社,1988,第六章.[15]王宏禹.現(xiàn)代譜估計(jì).南京:東南大學(xué)出版社,1990,第二章.第七章.[16]Marple L. A new autoregressive spectrum analysis algorithm. IEEE Trans. on ASSP, 1980, ASSP-28(4): 441-454.
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出版歷程
  • 收稿日期:  1995-02-13
  • 修回日期:  1995-08-07
  • 刊出日期:  1997-03-19

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