mid-15c. (implied in speckled), probably related to Old English specca "small spot, speck" (see speck) or from a related Middle Dutch or Middle High German word. Related: Speckled; speckling. The noun is first attested mid-15c.
双语例句
1. For example, in holographic imagery the speckle pattern corresponds to troublesome background noise.
例如, 在全息照相中,斑纹图样相当于讨厌的背景噪声.
来自辞典例句
2. Laser speckle interferometry is a new technique in latter - day optics.
激光散斑干涉法是近代光学的一项新技术.
来自互联网
3. Speckle noise can be eliminated by nonlinear filter designed by wavelet transform.
小波非线性滤波器还可消除散斑噪声.
来自互联网
4. Star on one ^ s body speckle be really Lei Ren!
明星身上的斑真是雷人!
来自互联网
5. Objective To establish a novel speckle tracking algorithm for estimating myocardial motion.
目的给出一种自动选择相关窗尺寸的散斑追踪方法用于心肌运动估测.
来自互联网
英英释意
1. a small contrasting part of something;
"a bald spot"
"a leopard's spots"
"a patch of clouds"
"patches of thin ice"
"a fleck of red"
实用场景例句
DSP technology was used for fast processing of laser speckle for special materials.