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    • 11. 发明申请
    • METHOD AND SYSTEM FOR THE DETECTION AND/OR REMOVAL OF SINUSOIDAL INTERFERENCE SIGNALS IN A NOISE SIGNAL
    • 用于在噪声信号中检测和/或去除SINUSOIDAL干扰信号的方法和系统
    • US20090259439A1
    • 2009-10-15
    • US12430377
    • 2009-04-27
    • Gregor FeldhausHagen Eckert
    • Gregor FeldhausHagen Eckert
    • G06F15/00
    • H04L25/0206G01R23/16G01R29/26H04B1/1027
    • A method for removing sinusoidal interference signals from a noise signal. The method includes transforming a measured signal (x(t), x(μ·Δt)), which is composed of a limited number of sinusoidal interference signals (Ak·ej(ωkt+φk), Ak·ej(ωkμ·Δt+φk)) and a white noise signal (w(t), w(μ·Δt)), into a subspace containing noise components and a subspace containing interference-signal components, and forming the spectrum of only the noise signal using the subspace containing the noise components. The entire frequency range is split into several frequency bands (ν), in which each measured signal (x(t), x(μ·Δt)) consists of a limited number (p(ν)) of sinusoidal interference signals and a white noise signal.
    • 一种从噪声信号中去除正弦干扰信号的方法。 该方法包括将由有限数量的正弦干涉信号(Ak.ej(omegakt + phik),Ak.ej(omegakmu.Deltat +))组成的测量信号(x(t),x(μDelt))变换, phik))和白噪声信号(w(t),w(μDelt))转换成包含噪声分量的子空间和包含干扰信号分量的子空间,并且仅使用包含噪声信号的子空间的子空间形成频谱 噪音成分。 整个频率范围分为几个频带(nu),其中每个测量信号(x(t),x(μDeltat))由有限数量(p(nu))的正弦干扰信号和白色 噪声信号。
    • 13. 发明申请
    • METHOD AND MEASURING DEVICE FOR SUPPRESSING INTERFERENCE SIGNALS
    • 用于抑制干扰信号的方法和测量装置
    • US20130346028A1
    • 2013-12-26
    • US14004435
    • 2012-05-03
    • Gregor FeldhausAlexander Roth
    • Gregor FeldhausAlexander Roth
    • G06F17/00
    • G06F17/00G01R23/16G01R23/18G01R31/2837
    • A measuring device for suppressing an interference signal contains a mixer, an analog-digital converter, a scaling device and a substitution device. The mixer is embodied to mix a first signal with a first intermediate frequency and to mix a second signal with a second intermediate frequency. The analog-digital converter is embodied to digitise the first signal mixed with the first intermediate frequency to form a first test signal and to digitise the second signal mixed with the second intermediate frequency to form a second test signal. The scaling device is embodied to displace at least the first test signal and/or the second test signal in its frequency in such a manner that they provide a common mid-frequency. The substitution device is embodied to combine the first test signal and the second test signal with a removal of interference-signal peak-value regions which correspond to the interference signal, to form a combined test signal.
    • 用于抑制干扰信号的测量装置包括混频器,模拟数字转换器,缩放装置和替换装置。 混合器被实现为将第一信号与第一中频混合并且将第二信号与第二中频混合。 模拟数字转换器被实现为使与第一中间频率混合的第一信号数字化以形成第一测试信号并且数字化与第二中频混合的第二信号以形成第二测试信号。 缩放装置被实现为以其频率至少移动第一测试信号和/或第二测试信号,使得它们提供共同的中频。 替代装置被实施为将第一测试信号和第二测试信号组合起来,去除与干扰信号对应的干扰信号峰值区域,以形成组合的测试信号。
    • 14. 发明授权
    • Method and system for the detection and/or removal of sinusoidal interference signals in a noise signal
    • 用于在噪声信号中检测和/或去除正弦干扰信号的方法和系统
    • US07957940B2
    • 2011-06-07
    • US12430377
    • 2009-04-27
    • Gregor FeldhausHagen Eckert
    • Gregor FeldhausHagen Eckert
    • H04B15/00
    • H04L25/0206G01R23/16G01R29/26H04B1/1027
    • A method for removing sinusoidal interference signals from a noise signal. The method includes transforming a measured signal (x(t), x(μ·Δt)), which is composed of a limited number of sinusoidal interference signals (Ak·ej(ωkt+φk), Ak·ej(ωkμ·Δt+φk)) and a white noise signal (w(t), w(μ·Δt)), into a subspace containing noise components and a subspace containing interference-signal components, and forming the spectrum of only the noise signal using the subspace containing the noise components. The entire frequency range is split into several frequency bands (ν), in which each measured signal (x(t), x(μ·Δt)) consists of a limited number (p(ν)) of sinusoidal interference signals and a white noise signal.
    • 一种从噪声信号中去除正弦干扰信号的方法。 该方法包括:将由有限数量的正弦干涉信号(Ak·ej(ωkt+&phgr; k)),Ak·ej(ω)和...组成的测量信号(x(t),x(μ·Dgr; t) ωkμ·&Dgr; t +&phgr; k))和白噪声信号(w(t),w(μ·&Dgr; t))转换成包含噪声分量的子空间和包含干扰信号分量的子空间, 仅使用包含噪声分量的子空间的噪声信号的频谱。 整个频率范围分为几个频带(&ngr;),其中每个测量信号(x(t),x(μ·&Dgr; t))由有限数量(p(&ngr))的正弦干扰 信号和白噪声信号。
    • 15. 发明申请
    • Method and system for noise measurement with combinable subroutines for the mesurement, identificaiton and removal of sinusoidal interference signals in a noise signal
    • 噪声测量方法和系统,可组合子程序用于测量,识别和消除噪声信号中的正弦干扰信号
    • US20060195501A1
    • 2006-08-31
    • US11333793
    • 2006-01-17
    • Gregor FeldhausHagen Eckert
    • Gregor FeldhausHagen Eckert
    • G06F17/14
    • G01R29/26
    • A method combines, within a system for noise measurement, subroutines for the measurement, identification and removal of sinusoidal interference signals (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) in a noise signal (w(t), w(ν·Δt)). In this context, the procedural stage (S10, S110, S220) of splitting the frequency range (ν) to be measured into several frequency bands (ν) via an FFT filter bank (1) and the procedural stage (S20, S120, S230) of determining autocorrelation matrices ({circumflex over (R)}ν) respectively associated with the frequency bands (ν) are implemented jointly for the respectively selected subroutines of measurement, identification and removal of sinusoidal interference signals (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) in a noise signal (w(t), w(ν·Δt)). The parameters of the autocorrelation matrices ({circumflex over (R)}ν) are adjusted in a variable manner dependent upon the respectively selected subroutine(s) and upon the required result quality.
    • 一种方法在用于噪声测量的系统内组合用于测量,识别和去除正弦干扰信号的子程序(A&lt; S&gt;&lt; SUB2&gt; > k t + phi /SUB>.ej(mu.omegak Deltat + phi 噪声信号(w(t),w(nu.Deltat))中)。 在本文中,将通过FFT滤波器组(1)和程序级(S 20)将要测量的频率范围(nu)分割成若干频带(nu)的程序级(S10,S110,S220) 分别与分别与频带(nu)相关联的自相关矩阵(R sub)的确定的自适应矩阵(N 120)的S1 120,S 230)被共同地用于分别选择的正弦干扰信号的测量,识别和去除的子程序 e> j j <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k k 在噪声信号(w(t))中 > ),w(nu.Deltat))。 根据分别选择的子程序和所需的结果质量,以可变的方式调整自相关矩阵(R >NU )的参数。
    • 16. 发明授权
    • Method and system for noise measurement with combinable subroutines for the measurement, identification and removal of sinusoidal interference signals in a noise signal
    • 噪声测量方法和系统,用于测量,识别和消除噪声信号中正弦干扰信号的可组合子程序
    • US07885421B2
    • 2011-02-08
    • US11333793
    • 2006-01-17
    • Gregor FeldhausHagen Eckert
    • Gregor FeldhausHagen Eckert
    • H04B15/00G01R13/00G06F17/10
    • G01R29/26
    • An approach is provided for measuring, identifying, and removing at least one sinusoidal interference signal (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) in a noise signal (w(t), w(μ·Δt)). A frequency range to be measured is split into a plurality of frequency bands (ν) via a Fast Fourier Transform (FFT) filter bank. For each of the frequency bands (ν), an autocorrelation matrix ({circumflex over (R)}ν) is determined, wherein parameters of the autocorrelation matrices ({circumflex over (R)}ν) are variably adjusted based on whether the at least one sinusoidal interference signal (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) is to be measured, identified, or removed and further based on at least one averaging. The autocorrelation matrices ({circumflex over (R)}ν) are jointly utilized for one or more of measuring, identifying, or removing the at least one sinusoidal interference signal (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) in the noise signal (w(t), w(μ·Δt)).
    • 提供了一种用于在噪声信号(w)中测量,识别和去除至少一个正弦干扰信号(Ak·ej(ωkt+&phgr; k),Ak·ej(μ·ωk&Dgr; t +&phgr; k) (t),w(μ·&Dgr; t))。 要测量的频率范围通过快速傅里叶变换(FFT)滤波器组分成多个频带(&ngr)。 对于每个频带(&ngr;),确定自相关矩阵({R(R)}&ngr)),其中基于(R)}&ngr;)的自相关矩阵的参数({ 是否要至少测量,识别或去除至少一个正弦干扰信号(Ak·ej(ωkt+&phgr; k),Ak·ej(μ·ωk&Dgr; t +&phgr; k)) 一个平均。 自相关矩阵((R)}&ngr;)中的一个或多个共同用于测量,识别或去除至少一个正弦干扰信号(Ak·ej(ωkt+&phgr; k),Ak·ej (μ·ωk&Dgr; t +&phgr; k))的噪声信号(w(t),w(μ·&Dgr; t))。