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1)  residual down-sampling
残差下采样
2)  down sample
向下采样
1.
This paper analyzes the down sample effect on harmonics using Discrete Fourier Transform(DFT),analyzes the frequency division character of WPT,Simulations validate the results obtained.
本文利用离散傅立叶变换原理分析了向下采样对信号的影响 ,分析了小波包变换得到的频带的特点 ,在此基础上 ,分析 WPT频带划分的特点 ,通过仿真验证 ,本文得到的结论是正确的 ,从而为小波包变换在电力系统中的广泛应用打下了良好的基
3)  downsampling
下采样
1.
To improve the video decoding ability on the multimedia processing capability limited terminals, an effective algorithm is proposed to implement the DCT-domain downsampling video decoding.
为了提高多媒体处理能力有限的终端上的视频播放能力,本文提出了一种有效的DCT域下采样视频解码算法。
2.
264/ AVC 4-tap integer Transform (IT) coefficients while downsampling at the same time.
264中的HT系数转换并同时进行下采样的算法。
4)  down-sampling
下采样
1.
After down-sampling the training symbol into several L-point sub-symbols and demodulating part of them by means of a new FFT algorithm considering the factor of the fractional frequency offset,the scheme estimates the integer frequency offset by finding the maximum magnitude of the combined resulting frequency domain signals.
该方法将1个等分的OFDM训练符号下采样为大量长度为点的OFDM子符号,然后结合小数频偏估计值,设计新的快速傅里叶变换(FFT)算法解调一部分OFDM下采样符号,再合并结果,寻找频域峰值,从而对整数频偏做出估计。
2.
In order to solve the problem that the traditional down-sampling methods can not adapt to the different application requirements,an inherent identity of implementation technique between down-sampling and interpolation of image scale transform is proposed,and then many advanced interpolation methods can be used in down-sampling.
针对常用的图像下采样方法无法满足不同应用需要的问题,提出下采样和插值在实现技术上具有同一性的特点,下采样可以采用插值的大量先进技术。
5)  Downsample by two
下二采样
6)  Nonsubsampled
非下采样
1.
Cycle spinning VS nonsubsampled in contourlet domain
循环平移和非下采样在轮廓波去噪中的应用
补充资料:残差
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性质:在回归分析中,测定值与按回归方程预测的值之差,以δ表示。残差δ遵从正态分布N(0,σ2)。δ与σ之比,称为标准化残差,以δ*表示。δ*遵从标准正态分布N(0,1)。实验点的标准化残差落在(-2,2)区间以外的概率≤0.05。若某一实验点的标准化残差落在(-2,2)区间以外,可在95%置信度将其判为异常实验点,不参与回归线拟合。

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