Considering the image contrast as a measurement of the degree of the image focus, a novel autofocus algorithm for Synthetic Aperture Radar (SAR) imagery is presented in this paper.
以对比度作为衡量图像聚焦程度的标准，研究了一种新颖的SAR图像自聚焦算法。
There are different ways to breathe to relax. The methods described here focus only on breathing exercises. Other ways combine breathing with things like yoga, imagery, and meditation.
呼吸来放松有有不同的方法。本文描述的方法着重于呼吸练习。其它的方法有将呼吸和瑜伽、想象和冥思结合起来。
The Visual system that shows imagery of the outside world to the pilots should be generally designed so that the imagery appears at a distant focus.
还应设计视景系统，将外界景象呈现给驾驶员，使景象出现在远处焦点。
The exploration of Chinese classical narrative style should focus on time, structure, perspective and especially imagery which was used the best by the tales of marvels in Tang and Song Dynasties.
中国古典叙事模式的探讨应当着眼于时间、结构、视角、意象四个方面，而后者尤为唐宋传奇所独擅。
The exploration of Chinese classical narrative style should focus on time, structure, perspective and especially imagery which was used the best by the tales of marvels in Tang and Song Dynasties.
中国古典叙事模式的探讨应当着眼于时间、结构、视角、意象四个方面，而后者尤为唐宋传奇所独擅。
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