It is especially suitable for the Doppler filtering in the signal processing of...
它特别适应于频率捷变雷达信号处理中的多卜勒滤波。
Firstly, the Doppler filtering is performed to reduce the data dimension in temporal domain.
首先,多普勒滤波在时域执行,以减少数据的维数。
A nonlinear filtering method based on principle component analysis (PCA) was proposed according to the statistical characteristics of the Doppler ultrasound blood flow signal and wall thump signal.
根据超声多普勒血流信号和血管壁搏动信号的统计特性,提出了一种基于主元分析的非线性滤波方法。
Fixing the spectrum width of the weather echo signals, we change theirs mean Doppler frequency and filter them using regression filter. After filtering, we analyze the attenuation of them.
在天气回波信号谱宽固定的情况下,通过改变天气回波信号的平均多普勒频率,分析了回归滤波器对它的衰减情况。
This novel method, together with the traditional high-pass filtering method, is applied to both computer simulated Doppler ultrasound signals and collected human carotid Doppler ultrasound signals.
对计算机仿真的超声多普勒信号和采集的人体颈总动脉多普勒信号分别应用该方法,并和传统的高通滤波器方法进行比较。
In HF channel modeling, doppler spread effects are usually simulated by filtering white Gaussian noise. The signal correlation in time domain deviates far from the theoretical value.
在短波信道建模中,通常采用对高斯白噪声滤波来仿真多普勒扩展效应,这些模型的时域相关值与理论值相差较大。
This method was applied to computer-simulated and clinically collected carotid Doppler signals, and compared with the conventional high-pass filtering method.
并用于计算机仿真的超声多普勒信号和实际采集的人体颈总动脉多普勒信号的处理,同时与传统的高通滤波器方法进行了比较。
Finally, the color harmonic Doppler method is brought up to enhance the effect of the Average Filtering method.
论文还采用彩色谐波多普勒的方法对均值滤波法进行了改进。
Finally, the color harmonic Doppler method is brought up to enhance the effect of the Average Filtering method.
论文还采用彩色谐波多普勒的方法对均值滤波法进行了改进。
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