This paper outlines the imaging principle of HIRS, explains how the temperature marking system works for measuring the temperature data of ground objects, and summarizes main factors influencing the image quality of HIRS.

• 本文主要介绍热红外遥感的成像原理，它的温度标定系统是如何测得地物的温度信息的，以及热红外遥感成像质量的主要影响因素。