1) Spectrum aliasing effect
频谱混淆效应
2) aliasing
[英]['eiliəsiŋ] [美]['eliəsɪŋ, 'eljə-]
频谱混淆
1.
In opto electric imaging systems, aliasing will occur when sampling a scene containing spatial frequencies exceeding half of the sampling frequency.
光电成像系统由于欠抽样产生频谱混淆。
2.
In the opto electric imaging system, aliasing will occur when sampling a scene containing spatial frequencies exceeding half of the sampling frequency.
光电成像系统由于欠抽样引起频谱混淆， 推导分析了包括均匀微扫描在内的非均匀微扫描方法在减少混淆方面的数学原理以及与亚像素位移之间的关系， 同时用计算机模拟实现了微扫描的一维和二维过程。
3) 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。
4) 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。
5) frequency aliasing
频率混淆
1.
Compared with the first generation wavelet transform,the new type of the second generation wavelet transform is effective on suppressing frequency aliasing and saving computing time obviously.
频率混淆是第一代离散小波变换的三大失真之一。
2.
The authors found that There erists frequency aliasing in Mallat algorithm.
Mallat算法，即基于多分辨分析的金字塔算法是小波变换的快速算法，在工程上获得了广泛的应用但是作者发现，Mallat算法存在频率混淆。
6) aliasing frequency
混淆频率
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