V2EX field of view

Field of View

释义 Definition

field of view(视野;视场)指眼睛、光学仪器或摄像设备在某一时刻能够观察到的范围。也可以引申为一个人的视野、见识或关注范围。

发音 Pronunciation

/fild v vju/

例句 Examples

The field of view of the human eye is approximately 180 degrees.
人眼的视野大约为180度。

The new telescope offers a wider field of view, allowing astronomers to observe larger portions of the night sky in a single exposure.
这台新望远镜提供了更宽广的视场,使天文学家能够在一次曝光中观测到更大范围的夜空。

词源 Etymology

该短语由三个常见英语词组成。field 源自古英语 feld,原意为"开阔的土地",后来引申为"范围、领域"。view 源自古法语 veue,意为"看、景象"。field of view 作为一个固定搭配,最早出现在17世纪的光学研究文献中,用来描述透镜或望远镜能捕捉到的可见区域。随着科学技术的发展,这一术语被广泛应用于摄影、天文学、医学影像等领域。

相关词汇 Related Words

文学与作品引用 Literary References

  • 在阿瑟柯南道尔的《福尔摩斯探案集》中,多次提到观察者的 field of view 来描述侦探对周围环境的敏锐感知。
  • 在科幻小说中,如阿瑟C克拉克的《2001太空漫游》,field of view 常用于描写太空望远镜或宇航员头盔的可视范围。
  • 该术语在现代电子游戏文化中也极为常见,常缩写为 FOV,是第一人称射击游戏中的重要设置参数。
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