2) nonuniform sampling
非均匀取样
1.
A two dimension nonuniform sampling image coding scheme which is based on two dimension nonuniform sampling DCT is presented.
本文根据二维离散余弦变换的性质，由一维非均匀取样的 Ｄ Ｃ Ｔ 变换推导出了二维非均匀取样的 Ｄ Ｃ Ｔ变换，并基于此提出了一种二维非均匀取样的图像编码方案。
2.
A nonuniform sampling DCT method is introduced, in which, the sampling points are chosen as zeros of Nth degree Chebyshev polynomials of the first kind.
本文先介绍了基于第一类Ｃｈｅｂｙｓｈｅｖ多项式的第Ｎ次多项式的零点作为取样点的非均匀取样的ＤＣＴ变换方法。
3) amplitude nonuniformly sample
幅度非均匀取样
1.
In this paper,we first define the concept of amplitude nonuniformly sampled signal,study the digital spectra of the amplitude nonuniformly sampled signal,derive its digital spectra representation,and furthermore present a detailed spectrum analysis of an amplitude nonuniformly sampled sinusoid,to obtain the signal to noise ratio.
本文首先提出了幅度非均匀取样信号的概念 ,然后研究了由于偏置产生的幅度非均匀取样信号的数字频谱 ,推导出了它的数字频谱表达式 ,详细分析了存在偏置时正弦信号的数字频谱 ,得到了系统的信噪比公式 ,最后给出了计算机仿真结果 。
4) the uniformity distribution of sampled data
均匀分布取样
1.
The self-calibration of interferometer is necessary step for realizing high precision measurement and the uniformity distribution of sampled data points of interference signal is the key for self-calibration of interferometer.
激光干涉仪的自校准是实现高精度干涉测量的一个必要的环节,而实现信号均匀分布取样则是干涉仪自校准的关键。
5) Uniform sampling
均匀抽样
补充资料：Nearestneighbor(近邻取样)
nearest neighbor (近邻取样)
又被称为point sampling(点取样)，是一种较简单材质影像插补的处理方式。会使用包含像素最多部分的图素来贴图。换句话说就是哪一个图素占到最多的像素，就用那个图素来贴图。这种处理方式因为速度比较快，常被用于早期3d游戏开发，不过材质的品质较差。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条