首先讨论了一般目标的毫米波辐射特性建模和毫米波辐射计测量原理。
First, this paper discusses the modeling of objects' radiation characters and the measuring principle of MMW radiometer.
灵敏度是传统上衡量微波辐射计测量精度的主要指标，但并不适合对单帧亮温图像的质量进行评估。
Traditionally, sensitivity is major performance parameter of microwave radiometer measurement precision, but it is not appropriate to quality assessment of single brightness temperature image.
他说，不同密度的海水产生不同的能量，辐射计测量海水的微波辐射，科学家依靠这些微波用数学公式计算海水的盐分水平。
He says different intensities of saltwater produce different energy. The radiometer measures microwaves from the water.
飓风成像辐射计不仅可以直接装在飞机底部，还可以装在飞机两侧，它测量的数据可以提供风暴结构的二维图像。
The Hurricane Imaging Radiometer can measure not only directly under the plane, but also out to each side, providing a two-dimensional picture of storm structure.
有测量激光功率的空腔型辐射计和流水式功率计、测量激光能量的锥型能量计和体吸收型能量计。
They are the cavity radiometer and the water flow power meter for laser power measurement, the cone calorimeter and the volume-absorbing calorimeter for laser energy measurement.
该系统分别采用热释电探测器和快速响应的红外辐射计进行测量，并采取了有效的数据处理方法，提高了测试精度。
Pyroelectric detector and fast respond infrared radiometer are used in the system to carry on the measurement, and effective data processing method is adopted to improve the test accuracy.
低温辐射计是目前光学计量中准确度最高的测量系统。
Cryogenic radiometer is currently the most accurate measurement system in optical metrology.
本文给出了辐射计的衍射损失，黑度修正及反射率修正，实际测量结果比计算结果大0.19%。
The diffraction loss, blackness correction and reflectance correction of the radiometer are given in this paper. The measurement result is 0 19% larger than the calculated result.
本文介绍了黑涂层热阻的测量，进而推及热电型电校准辐射计锥腔型灵敏面黑涂层热阻的校正因子。
Measurement of thermel resistance black painting was described, and thus calibration factor of the black painting of the response area of the absolute radiometer.
定标是微波辐射计应用中的重要步骤，定标精度直接影响测量的绝对精度。
Calibration plays an important role in the application of microwave radiometer, and the calibration precision exerts profound impacts upon the absolute precision during the measurement.
本文针对靶场辐射温度测量系统具体要求，完成了高精度的辐射计定标方案设计。
According to the specific requirements put forward by the radiation temperature measurement system for shooting range, the high-precision calibration scheme of radiometer is demonstrated.
本文介绍电校准辐射计的锥腔形黑涂层反射比的测量原理、装置、方法以及测量结果。
This paper describes the principle, equipments, method and results in the measurement of reflectance of black coating in the electrically calibrated conical cavity radiometer.
首先低温辐射计采用电替代方法测量单个波长激光绝对光功率，测量不确定度低于0.016%。
Firstly, the laser power was measured by cryogenic radiometer in visible and near infrared spectral regions (488~944 nm), uncertainty of power measurement is less than 0.016%.
微波辐射计是一种无源微波测量装置，它本身不发射微波信号，只是被动的接收目标及环境辐射的随机噪声。
Microwave Radiometer is a passive microwave measurement device. It passively receives the random noise radiated by the objects and environment.
结果表明，2003年低温辐射计激光功率测量不确定度比1999年的要小；
The results of comparison indicate that the laser power measure uncertainty of cryogenic radiometer of 2003 year is less than that of 1999 year;
对1999年和2003年采用不同测量光路情况下可见光波段低温辐射计高精度光辐射定标测量结果及其不确定度进行了比较。
The results of highly accurate optical radiation calibration of cryogenic radiometer have been compared between year of 1999 and 2003.
他们还表示，民众个人使用的测量辐射的小型原子能辐射计可能会给出错误的读数。
They also say the small dosimeters that some private citizens use to measure radiation can give a wrong reading.
测量中使用了红外辐射计，并用圆柱形镜反射腔获得温度同地物相同的黑体辐射，并由已知比辐射率的参考板标定环境辐射。
Measurements can be made with an infrared radiometer. Blackbody radiation at the same temperature of the object is obtained using a cylindrical direct reflection cavity.
分析了微波辐射计测盐时的测量频率、极化状态及入射角对测量精度的影响。
The measuring frequency of salinity during its microwave measurement and the polarization state and the effect of incidence Angle to the accuracy of measuring have been analyzed.
最后根据辐射计参数的定义及测试方法进行了测量实验。
Based on the definitions of microwave radiometer characterization parameters and the test methods presented in this paper, tests have been done.
分析了矩形模型接收机频率响应的非理想性对综合孔径微波辐射计复相关值测量的影响。
The impacts of receivers rectangular frequency response imperfections on the complex correlation measurement of 2d aperture synthesis microwave radiometer were presented.
因而，太阳辐射计是大气物理、大气光学、环境保护等基础研究领域常用的一种野外测量仪器。
So, Sunphotometer is a common measuring instrument in the fields of foundation research, such as atmosphere physics, atmosphere optics, environmental protection etc.
太阳辐射计通过测量不同波段的直接太阳辐射反演地球大气中水汽、臭氧及氮氧化物等气体的含量。
Sunphotometer is designed to measure the direct solar irradiance for retrieving the amount of the vapor of water, ozone and nitrogen oxide etc. in the atmosphere.
太阳辐射计通过测量不同波段的直接太阳辐射反演地球大气中水汽、臭氧及氮氧化物等气体的含量。
Sunphotometer is designed to measure the direct solar irradiance for retrieving the amount of the vapor of water, ozone and nitrogen oxide etc. in the atmosphere.
应用推荐