V2EX spectral sensitivity

Spectral Sensitivity

Definition / 释义

spectral sensitivity光谱灵敏度;指传感器、相机、胶片或生物视觉系统对不同波长(颜色)光的响应强弱分布,通常用曲线表示。

Pronunciation / 发音

/spktrl snstvti/

Examples / 例句

The camera’s spectral sensitivity is highest in the green region.
这台相机的光谱灵敏度在绿色波段最高。

By comparing spectral sensitivity curves, engineers can choose filters that improve color accuracy under mixed lighting.
通过比较光谱灵敏度曲线,工程师可以选择滤光片来提高混合光照下的色彩准确性。

Etymology / 词源

spectral 来自 spectrum(拉丁语 spectrum,意为“外观、影像;后引申为“光谱”),与“不同波长的分布”相关;sensitivity 来自拉丁语词根 *sens-*(“感觉、感知”),表示“对刺激的敏感程度”。合起来就是“对不同波长光的敏感程度”。

Related Words / 相关词

Literary Works / 文学作品

  • Handbook of CCD Astronomy(Steve B. Howell)在讨论 CCD 探测器性能与响应曲线时涉及 spectral sensitivity
  • The Image Processing Handbook(John C. Russ)在成像系统与颜色/光谱响应相关章节中使用该术语。
  • Encyclopedia of Optical Engineering(编辑:Ronald G. Driggers)在光电探测与光谱响应条目中出现该表达。
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