A Recursive Adaptive Method of Impulse Response Measurement with Constant SNR over Target Frequency Band

A Recursive Adaptive Method of Impulse Response Measurement with Constant SNR over Target Frequency Band
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目标频段上恒定信噪比脉冲响应测量的递归自适应方法

DOI:
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发表时间:
2013
影响因子:
1.4
通讯作者:
Y. Kaneda
Y. Kaneda
中科院分区:
工程技术4区
文献类型:
--
作者:
H. Ochiai;Y. Kaneda

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一种使用新的测量信号的脉冲响应测量的递归自适应方法,提出了一种CSN-SS(恒定SNR扫频正弦)信号。在该方法中,测量信号的频谱被成形,不仅适应于背景噪声频谱,而且适应于系统本身的递归估计的传递函数。测量结果表明,在目标频带内,信噪比与频率无关,可以正确识别系统响应。
A recursive adaptive method of impulse response measurement using a new measurement signal, i.e., a CSN-SS (constant-SNR swept-sine) signal is proposed. In the method, the spectrum of a measurement signal is shaped, adapting to not only the background noise spectrum but also the recursively estimated transfer function of the system itself. The measurement results show a constant SNR independent of frequency over the target frequency band, in which the system response can be properly identified.
Warped-TSP:一种对背景噪声和谐波失真具有鲁棒性的声学测量信号
DOI: --
发表时间: 2006
期刊: IEICE Trans.A Vol.J89-A, No.1
影响因子: --
作者:
Masanori Morise;Toshio Irino;Hideki Banno;Hideki Kawahara
通讯作者: Hideki Kawahara