全部书籍

专业

应用 关于 Coach 登录 开始阅读

书籍暂未推出简体中文版——当前显示英文版。

Earth and Space Sciences · 术语表

什么是 Flux, luminosity?

又称: flux (of a source) · luminosity

Definition 2.10 University Earth and Space Sciences — Year 1 · 第 2 章 — Telescopes, Detectors and Photometry

The flux FF received from a source is the power of its radiation crossing a unit area held perpendicular to its direction, in watts per square metre; restricted to a band of wavelengths, it is the flux in that band. The luminosity LL of the source is the total power it radiates, in watts.

在原文中阅读 →