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neutral atmospheric parameters
相关语句
  中性大气参数
     Inversion of Earth's Neutral Atmospheric Parameters and Bending Angles with GPS Occultation Data
     利用GPS掩星资料反演地球中性大气参数折射角方法研究
短句来源
     The Arithmetic Discussion for Inversion of Earth′s Neutral Atmospheric Parameters with CHAMP Satellites Data
     用CHAMP卫星资料反演地球中性大气参数
短句来源
  中性大气参数的
     Comparison of Earth’s Neutral Atmospheric Parameters Inversed with GPS/MET Data and CHAMP Data
     利用GPS/MET与CHAMP掩星资料反演地球中性大气参数的比较
短句来源
     The theory and the procedure of inversion of Earth's neutral atmospheric parameters and bending angles with GPS Occultation data with Abel integral method are introduced. Based on the theory, two methods of ionospheric correction, linear phase correction and linear bending angle correction, are described. Two approaches to determine the upper bound of Abel inversion are discussed.
     对利用GPS掩星资料反演地球中性大气参数的原理作了简要介绍 ,在此基础上对消除电离层影响的改正方法、Abel反演积分上限的确定、上边界测量折射角的优化方法进行了探讨。
短句来源
     The theory and the procedure of inversion of Earth′s neutral atmospheric parameters with GPS occultation are briefly introduced.
     介绍了利用GPS掩星反演地球中性大气参数的原理。
短句来源
  相似匹配句对
     THE MAPPING FUNCTION OF THE NEUTRAL ATMOSPHERIC REFRACTION
     中性大气折射的映射函数
短句来源
     RESEARCH ON THE CORRECTION FOR THE NEUTRAL ATMOSPHERIC DELAY IN GPS SURVEYING
     GPS测量的中性大气折射改正的研究
短句来源
     with atmospheric models
     大尺度水文模型及其与气候模型的联结耦合研究
短句来源
     atmospheric corrosion
     大气腐蚀
短句来源
     Neutral doctrism
     中性主义
短句来源
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  neutral atmospheric parameters
The IPHA method as applied to the 162 kHz measurements made at Panská Ves, allows ionospheric and neutral atmospheric parameters to be studied simultaneously and appears to provide reliable and good quality data.
      
We first describe our GPS/MET data processing scheme from excess phases via bending angles to the neutral atmospheric parameters refractivity, density, pressure and temperature.
      
The effect of the ionosphere has to be sorted out before the neutral atmospheric parameters can be calculated.
      


The space-borne radio occultation technique is introduced as a new remote sensing technique of the earth atmosphere developed at the middle of 1990s. Its principle and the inversion theory for the ionospheric and neutral atmospheric parameters from the ground to 800 km altitude were described in details. Some results of occultation simulations, observations and their comparisons with those of observed by other techniques are given. Its applications and new developments are discussed.

详细介绍无线电掩星技术作为 2 0世纪 90年代中期发展起来的星载地球大气遥感高新技术的国际发展态势 ,给出其应用于探测从地面至 80 0km高空大气和电离层参量的科学原理和方法、有关的掩星仿真、观测及其与其他观测技术对比的结果 ,讨论了掩星技术的应用及其正在改善和发展的几个主要方面。

The theory and the procedure of inversion of Earth's neutral atmospheric parameters and bending angles with GPS Occultation data with Abel integral method are introduced. Based on the theory, two methods of ionospheric correction, linear phase correction and linear bending angle correction, are described. Two approaches to determine the upper bound of Abel inversion are discussed. The method for optimizing the measured bending angles on the upper bound are also analyzed. Pre-processing steps of Level2...

The theory and the procedure of inversion of Earth's neutral atmospheric parameters and bending angles with GPS Occultation data with Abel integral method are introduced. Based on the theory, two methods of ionospheric correction, linear phase correction and linear bending angle correction, are described. Two approaches to determine the upper bound of Abel inversion are discussed. The method for optimizing the measured bending angles on the upper bound are also analyzed. Pre-processing steps of Level2 data of UCAR, including transferring the coordinates of GPS and LEO satellites from the coordinate system of ECI to ECEF and low-pass filtering of the phase delay data, are discussed. Last, the computation with data of certain occultation event is done and the results are analyzed. Some conclusions have been drawn.

对利用GPS掩星资料反演地球中性大气参数的原理作了简要介绍 ,在此基础上对消除电离层影响的改正方法、Abel反演积分上限的确定、上边界测量折射角的优化方法进行了探讨。针对UCAR的Level2数据 ,在数据预处理工作的基础上 ,利用特定掩星事件的数据进行了反演计算 ,并对计算结果进行了分析

The same inversion method, which does not take the effect of water vapor into account, was applied to processing level2 data of certain occultation event of GPS/MET experiment and CHAMP mission. The profiles of refractivity and neutral atmospheric parameters has been compared with level3 data provided by UCAR and GFZ, respectively. The temperature and pressure profiles are also compared with those from UCAR and GFZ, respectively. Although both pressure profiles are in accordance with the corresponding...

The same inversion method, which does not take the effect of water vapor into account, was applied to processing level2 data of certain occultation event of GPS/MET experiment and CHAMP mission. The profiles of refractivity and neutral atmospheric parameters has been compared with level3 data provided by UCAR and GFZ, respectively. The temperature and pressure profiles are also compared with those from UCAR and GFZ, respectively. Although both pressure profiles are in accordance with the corresponding Level3 data, the temperature profile from GPS/MET is better than that from GFZ. After analyzing the systematic error which exists in the temperature profiles retrieved in both cases, this paper points out that the remnant ionospheric errors and the constrains of the temperature on the upper bound are two factors for it. When retrieving atmospheric parameters profiles from refractivity profiles, to get temperature profile from CHAMP data which is more accordant with the result of GFZ, we need to constrain the temperature on the upper bound with different methods.

采用Abel积分反演算法 ,在干大气模式下 ,分别针对GPS/MET与CHAMP特定掩星事件的Level2数据进行处理 ,得到了相应的折射指数与大气参数廓线。分别将反演结果与UCAR和GFZ公布的结果进行比较 ,证明了反演算法的正确性与通用性。分析了两个温度反演结果都存在系统误差和CHAMP温度反演结果误差较大的原因 ,并提出了改进建议

 
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