1) aliasing
[英]['eiliəsiŋ] [美]['eliəsɪŋ, 'eljə-]
折叠混淆效应
1.
Thermal image spatial frequency of natural scene is far smaller than its visible light image, but in the imaging process of staring infrared FPA, spatial frequency of the detected scene is still more than half of the sampling frequency of staring infrared FPA, under-sampling happened, and the quality and utility of the image is seriously degraded by aliasing.
尽管自然场景热像的空间频率远小于其可见光图像 ,在凝视型红外焦平面空间积分抽样过程中 ,被探测场景的空间频率也往往要远高于红外焦平面阵列探测单元重复频率的一半 ,这种欠抽样所产生的折叠混淆效应将严重地损害红外热图像的质量。
2.
Phase theory analysis of spatial integral sampling provide theoretical basis for under sampling aliasing reduction.
空间积分抽样相位理论分析为消减欠采样产生的折叠混淆效应提供了理论依据。
2) aliasing effect
混淆效应
1.
The spatial resolution improvement of infrared focal plane array(IRFPA) microscanning imaging is badly influenced by aliasing effect.
红外焦平面阵列微扫描成像对空间分辨率的提高受到混淆效应的严重影响。
2.
The pixel transfer function(PTF) for analyzing micro-scanning technology′s effect on spatial resolution is given based on the detailed analyses of the aliasing effect decreased by the micro-scanning technology.
在详细分析使用微扫描技术减少混淆效应的基础上,给出一种利用微扫描技术进行空间分辨率影响分析的像素传递函数(PTF)方法,并基于2×2和4×4两种微扫描形式对该函数进行分析计算和讨论。
3) wraparound
[英]['ræpə,raund] [美]['ræpə,raʊnd]
折叠效应
1.
Because of the influence for wraparound,ordinary absorb boundary condition can,however,not achieve ideal effect.
但是伪谱法也存在一定的问题,由于折叠效应的影响,普通的吸收边界条件不能达到良好的效果。
4) Spectrum aliasing effect
频谱混淆效应
6) aliasing error
(1)混淆误差(2)重叠误差
补充资料：玉石混淆
1.比喻好坏混杂。
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