一种周期校准迪克辐射计的灵敏度分析

Sensitivity analysis of periodic calibration dicke radiometer

阐述了一种周期校准迪克辐射计的系统结构,并根据辐射计结构推导出理想条件下的辐射计灵敏度。然后针对接收机的实测数据,对非理想条件下的辐射计灵敏度进行分析和仿真,并对辐射计的一些关键系统参数进行设计,最终证明周期校准系统能够在一定程度上改善迪克辐射计的灵敏度。

Introduced the system structure of a periodic calibration dicke radiometer. In accordance with the system structure of radiometer we derived the sensitivity of the radiometer under ideal conditions. And then we analysis of the sensitivity of the radiometer under non-ideal conditions with the measure data of the receiver and design the key system parameters of radiometer. Finally, it proves this periodic calibration dicke radiometer can efficiently improve the sensitivity of the radiometer.