• 设计域滤波器抑制正常纹理信息通过重构灰度图像进行分割,实现疵点正常织物纹理的分离

    The frequency-domain filter is designed to remove normal texture information, based on the image reconstruction, fabric normal texture and defects are isolated by image segmentation.

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  • 通过最小化频域平方误差函数揭示设计问题有关一些矩阵性质得到滤波系数闭式

    A closed-form solution for filter coefficients is obtained by minimizing the frequency-domain squared-error function and revealing some properties of the matrices related to the design problem.

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  • 采用零点配置方法通过系统极点附近配置多个滤波零点设计强鲁棒性的多峰极不灵敏(E I)最优随机时滞滤波器。

    Zero placement method in the frequency domain is utilized to design robust multi-hump EI optimal arbitrary time-delay filter (OATF) by placing two or more filter zeros nearby the system poles.

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  • 方法利用DFT迭代算法来重构虚载波的频域信道状态信息通过滤波方法来抑制噪声

    The channel status information was reconstructed by the new algorithm according to a DFT iterative algorithm. Then the channel noise was suppressed by time domain filter methods.

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  • 信号处于两个更多滤波通道时,通过频组合办法直接得到实信号半谱。

    When the signal spectrum falls into two or more channels, a method of spectrum assembling in frequency domain is used to obtain the positive or negative half spectrum.

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  • 结构中的FD采用了RCFD传统的GFD相比有着类似的性能而且通过在时匹配滤波的结构上衍生出频域匹配滤波器结构,大大节省了实现开销

    RCFD has similar performance as GFD, while it costs less in realization, because it realize the time match filter and frequency match filter in one structure.

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  • 首先采用锐化滤波器对血管造影图像进行对比度调整然后通过高通滤波去除背景中的一致性成分

    We first employed the unsharp masking to adjust the contrast of angiograms, and then removed the consistent component of low frequency in frequency domain by high-pass filtering.

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  • 通过分析算法性能,并lms算法作比较,证明频域自适应滤波的lms算法的可行性。

    Many properties of this algorithm are analysed as compared with the LMS algorithm of the time-domain adaptive filter. The utility of this algorithm is included.

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  • 通过分析算法性能,并lms算法作比较,证明频域自适应滤波的lms算法的可行性。

    Many properties of this algorithm are analysed as compared with the LMS algorithm of the time-domain adaptive filter. The utility of this algorithm is included.

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