• 辨识实际系统时,平稳噪声扰动较多

    The systems disturbed by nonstationary noise are often encountered in the practical identification.

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  • 算法无需先验知识参考信道平稳平稳噪声适用

    This algorithm doesn't need priori knowledge or reference channel, and it can be used in the stationary or nonstationary noise environment.

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  • 实验表明非平稳噪声时域可以识别传统噪声检测方法相比分辨率明显改善

    Simulation results show that non-stationary noise can be identified in time domain and resolution improvement is obvious compared with that of conventional noise detection in frequency domain.

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  • 针对语音激活检测棒性问题,提出非平稳噪声环境下使用基于高斯混合模型鲁棒语音激活检测算法

    In order to improve the robustness of voice activity detection (VAD), the use of an algorithm based on complex Gaussian mixture model under nonstationary noisy environments was presented.

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  • 考虑通道平稳信号干扰背景噪声情况下提出基于自适应参数型时间延时估计方法

    Taking into account the multi channels disturbance and noises with the non stationary characteristic, time delay estimation based on adaptive parametric approach is proposed.

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  • 平稳高斯背景噪声下,使用经典信号检测理论对信号进行检测往往难以达到理想效果

    If the background noise is nonstationary and non-Gaussian, the effect of classic signal detection theory is not satisfying.

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  • 该文利用小波变换局部分析能力,研究高斯分布平稳随机噪声统计特性,揭示了高斯噪声信号信号结构

    By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.

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  • 循环平稳处理方法高斯噪声敏感,对高斯色噪声较强的抑制作用,而且比情况下工作良好。应用于低信噪比环境中。

    Cyclostationary method is not sensitive to the Gaussian color noise and can do with non Gaussian color noise as well, which is proved to be effective in low SNR environment.

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  • 针对陀螺稳定平台系统中光纤陀螺信号噪声平稳特点分析并讨论了光纤陀螺输出信号模型常用陀螺信号滤波方法的优缺点。

    Aiming at the non-stationary character of signal noise of fiber optic gyro (FOG) in the stabilized platform, the signal model of FOG and some methods of noise reduction are analyzed and discussed.

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  • 统一处理滤波平滑预报问题可处理非平稳信号噪声

    It can handle the filtering, smoothing and prediction problems in a unified framework, and can handle nonstationary signals and noises.

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  • 利用逆序驱动桥噪声信号平稳进行了验证,指出其噪声信号为稳态信号。

    Reversed order method is used to prove that the noise of driver axle is a nonstationary signal.

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  • 首先通过跟踪平稳噪声能量检测能量变化平稳信号

    First, the noise energy is tracked to detect the unstable signal.

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  • 方法不同于传统基于FFT分析的声强计算方法,可以实现非平稳故障噪声信号的分析,为机电设备噪声监测故障诊断提供了条研究途径

    The method differs from traditional FFT transform in its capability to analyze nonstationary noise signals of faulty mechatronics equipments. It offers a way for noise monitoring and fault diagnosis.

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  • 心电信号一种微弱低频非平稳信号,具有随机性噪声背景特点

    ECG signal is a weak low frequency non-stationary signal, and possessing random character and noisy setting strong character.

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  • 这种方法有效地抑制了空间非平稳固定噪声使用一个可旋转中的2-D平面空的适应的成形波束形成方法。

    This method more effectively suppresses spatial nonstationary and stationary noise than the adaptive null-forming beamformer method by using a rotatable main lobe in the 2-D plane.

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  • 按照阵元噪声功率是否相等以及阵元噪声相关性,本文噪声分为空间平稳噪声以及空间非平稳噪声

    We can divide the colored noise into stationary colored noise and non-stationary colored noise by their sensor noise power and the relativity between their sensor noise.

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  • 本文给出一种计算线性系统噪声激励下平稳响应的方法

    Rectifying current and efficiency of a non-Gaussian noise calculated using the Monte Carlo method;

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  • 本文给出一种计算线性系统噪声激励下平稳响应的方法

    Rectifying current and efficiency of a non-Gaussian noise calculated using the Monte Carlo method;

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