V2EX modulation transfer function

Modulation Transfer Function

Definition 定义

调制传递函数(常缩写为 MTF):用于描述成像系统(如镜头、相机、显微镜)在不同空间频率下传递对比度能力的指标;MTF 越高,细节还原通常越好。

Pronunciation 发音(IPA)

/mdjlen trnsf fkn/

Examples 例句

The modulation transfer function of this lens is very high.
这支镜头的调制传递函数(MTF)很高。

Engineers use the modulation transfer function to compare image sharpness at different spatial frequencies and predict real-world performance.
工程师用调制传递函数来比较不同空间频率下的成像清晰度,并预测实际使用表现。

Etymology 词源

该术语由三部分组成:modulation(“调制/对比度变化”)+ transfer(“传递”)+ function(“函数/关系”)。在光学与信号处理领域中,它用“函数关系”的方式表达系统把输入的对比度信息传到输出图像时,会随细节尺度(空间频率)而发生的衰减情况。

Related Words 相关词汇

Notable Works 文学与著作中的用例

  • Principles of Optics(Max Born & Emil Wolf)在成像理论与系统评价中讨论 MTF 等概念
  • Introduction to Modern Optics(Grant R. Fowles)涉及空间频率与成像系统传递特性
  • Modern Optical Engineering(Warren J. Smith)光学系统设计与性能评估常用 MTF
  • The Image Processing Handbook(John C. Russ)在成像质量与测量方法中提及 MTF
  • ISO 12233(摄影成像分辨率测量标准)与 MTF/空间频率响应等测试方法相关
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