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于 2011-09-29 发布 文件大小:1KB
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  matlab平台上的多重信号处理算法的DOA测角,信噪比,快拍数,信号源数对功率谱的影响(matlab platform, multi-signal processing algorithms DOA angle, signal to noise ratio, the snapshot number, the source of the power spectrum of several)

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    2010-04-25 19:04:09下载
    积分:1
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    System will automatically delete the directory of debug and release, so please do not put files on these two directory.
    2011-04-23 08:26:21下载
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    2020-12-09 00:59:19下载
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    积分:1
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  • 1
    一种未知信源数的高分辨DOA 估计算法:众多性能优良的超分辨波达方向(DOA)估计算法通常需要预先判定信源数目,然而,现有的信源数估计 算法在有限采样快拍条件下,估计性能随着信噪比的降低而下降,错误概率也相应增加,最终导致DOA 估计失败。 该文提出一种超分辨的DOA 估计算法,此算法不需要预判信源个数和进行特征值分解,同时在时变环境中,针对 快拍数较少的情况下,依然保持较高的角度分辨能力,可以被认为是综合了Capon 法和MUSIC 法的优点。(Algorithm on High Resolution DOA Estimation without Sources Number:Many of the super resolution DOA(Direction-Of-Arrival) estimation algorithms presume the number of signal sources. Since the sample snapshot is limited, however, the available algorithms on source number estimation may fail at lower SNR. In this paper, a novel algorithm for high resolution DOA estimation is proposed, which not only skips sources number estimation and EVD, but also behaves satisfactorily with a few snapshot, it may be viewed as a combination of merit of conventional Capon and MUSIC method.)
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    积分:1
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