Satellite measurements have problems because of calibration changes when they are replaced every few years.
卫星测量方法也有问题，因为每隔几年卫星测量设备更换后，校准就改变了。
The calibration targets are larger than might have been expected, he said, suggesting that the satellite cameras they are being used to calibrate have surprisingly poor ground resolution.
校准目标有可能比预料的要大，他说，这表明被校准卫星上的照相机的地面分辨率是很低的。
The department of satellite design and the staff on the ground have conducted a way of thruster calibration execution in terms of the data of the attitude and the nutation principle.
卫星设计部门和地面工作人员根据卫星的特点，利用姿态数据及章动原理建立了一套标定推力器对称性的方法。
The earth simulator is an important ground simulation test and precision calibration equipment for infrared earth sensor which is the key component in the satellite controlling system.
地球模拟器是卫星姿态测量控制关键部件—摆动扫描式红外地球敏感器的一种重要地面模拟试验与精度标定仪器。
Dunhuang radiometric calibration site is a land area specifically selected in 1996, and used for the radiometric calibration of earth-observed satellite sensors.
敦煌辐射校正场，是我国为实现对地观测卫星传感器的辐射校正于1996年确定的陆地校正场。
The method and calculation equations of the gyro calibration of a three axis stabilized communication satellite in the earth pointing mode are presented in this paper.
本文介绍三轴稳定通信卫星在地球指向模式下的陀螺标定方法和计算公式。
This paper introduces the basic parameters of the satellite, the features of its products, the method to open the products with image processing software, and the radiometric calibration of RADARSAT.
本文介绍了该卫星的基本参数及其产品的特点，用图像处理软件打开其产品的方法，以及RADARSAT产品的辐射定标算法。
In this paper, the advantages and methods of using the towed CTD data to calibrate satellite infrared SST data are expounded, which will provide helpful supplements for the SST calibration.
论述了应用拖曳式CTD数据校正卫星红外sst的优势与方法，为SST校正提供了有益的补充。
For example, to calibrate the electronic weighing equipment of the Xichang Satellite launch site, the calibration weights should have been prepared by the launch site.
例如，为了准确校准西昌卫星发射中心电子秤，须由发射中心配备校准砝码。
The paper briefly introduces absolute calibration methods of sea surface height and backscatter of satellite altimeter.
介绍了卫星高度计定标中海面高度和后向散射系数的定标方法。
When the satellite geometry is good, the rubidium clock is used to improve vertical accuracy, and in turn, the calibration accuracy of the barometer.
当卫星几何位置好的情况下，铷钟用于改善垂直精度，顺便还较正气压计的精度。
This paper describes the issues in terms of time synchronization in satellite navigation systems, satellite navigation device zero point, and device zero point calibration.
概述了卫星导航系统的时间同步问题和卫星导航的设备零值及其标校问题。
It's one of the most available means of general satellite remote sensing accuracy assessment to validate the absolute calibration coefficients of the satellite-based sensor.
卫星遥感器绝对辐射定标系数的有效性检验，是对卫星遥感精度进行全面评价的最有效手段之一。
The key issue in external calibration of microwave radiometer on board satellite is the determination of brightness temperature on the pupil of antenna by using radiative transfer equation.
星载微波辐射计外定标的关键问题是通过辐射传输方程计算天线入瞳处亮温。
In this way the data transmitted from satellite will be effective even if the calibration equipment on the satellite is failed.
采用这一途径，即使星上定标设备失效，也不致影响卫星数据的使用。
Infrared radiometric calibration is of critical importance for information quantification of satellite remote sensing of environment at infrared spectrum.
红外辐射定标是红外遥感信息定量化的关键技术之一。
Based on accurate distance information between satellites measured by laser, a calibration technique of a tri-satellite TDOA location system is put forward.
利用精确的星间激光测距信息，提出了基于星间测距的三星时差定位系统标校方法。
The Time Standaards of navigation positioning system and Time Service of Timing by Satellite and Satellite Timing Calibration of Timing are introduced.
介绍了导航定位系统的时间基准及实现时间统一的卫星授时技术和定时技术。
The Time Standaards of navigation positioning system and Time Service of Timing by Satellite and Satellite Timing Calibration of Timing are introduced.
介绍了导航定位系统的时间基准及实现时间统一的卫星授时技术和定时技术。
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