This method not only solve the problem of measuring the millimeter - wave detector system on projectile and testing on shooting range , but also bring forth a effective measuring way , and supply a good conditions for target identifying 该方法不仅解决了弹载毫米波辐射计的系统检测和靶场试验测试问题，为型号研制、试验及生产等环节提供了有效地检测手段，也为目标识别研究提供了良好的条件。
To rt method , its depth inverse expression can be derived directly from the tb expression . but to dgf method , it is difficult . therefore according to least square method , approximate values of thickness are obtained by comparing simulated measured values and theoretic values 对于rt方法，从其亮温表达式即可获得厚度的反演式；而对于dgf方法，文中根据最小二乘法对多通道辐射计的理论值与测量值进行比较，从而得到厚度的估计值。
First , this paper introduces the difference of all - power radiometer and dicke radiometer sensitivity , and gives normal calibration equation and periodic calibration equation of antenna temperature , and analyses calibration error due to square - law detector illinearity 本文在总结前人研究工作的基础上，首先比较了全功率辐射计和迪克型辐射计的灵敏度，讨论了辐射计天线温度的反演和周期定标技术，分析了检波器非线性特性对辐射计定标结果的影响。
Firstly , the paper introduces briefly the detecting principle of microwave radiometer and the scheme of lunar microwave radiometer . based on propagation matrix , an algorithm to get reflectivity of layered medium is brought in . by means of the method , the reflectivity expression of two - layer medium is obtained 本文首先简要介绍了微波辐射计的探测原理及月球探测卫星微波辐射计的设计方案，还介绍了利用传播矩阵计算分层媒质的反射率的方法，并给出双层媒质的反射率表达式，分析了双层媒质的反射率随观测角、频率和第一层厚度的变化关系。
The relationship between tb and thickness from rt method is one - to - one , but the relation from dgf method is n ' t . then an algorithm on detecting depth of microwave radiometer is proposed according to its characteristics . under special conditions , we analyze the tendencies of detecting depth vs . observation angle , frequency and thickness 然后，根据辐射计自身的特点，提出了辐射计的探测深度的计算方法，并给出具体温度分布情况下辐射计探测深度的计算式，并分析了探测深度随辐射计观测角度和工作频率的变化情况。
The paper emphasizly researches response functions of absolute radiometers , and the method of variational angle measure is corrected . the paper analyzes the function of an angle of incidence and the area in which absolute radiometers absorb the solar irradiance under considering the characteristic and principle of absolute radiometers . the function of absolute radiometers temperature raise and time is discussed , and the curve of the function is drawed by computer 在结合绝对辐射计的结构特点和工作原理的基础上，分析和讨论了绝对辐射计接收光辐射的等效面积随太阳光线入射角变化的函数关系式，在此函数关系式的基础上，分析和讨论了绝对辐射计接收太阳光辐射后，其温度的升高量随时间变化的函数关系式，并且用计算机编程画出了绝对辐射计的温度升高随时间变化的曲线关系图。
