GPS无线电掩星反演大气参数中的算法研究

来源 :地球物理学进展 | 被引量 : 9次 | 上传用户：CBN_cntjlz

【摘要】

：

针对目前无线电掩星技术反演地球大气参数算法中的不足 ,给出一种参数代换法 ,以解决无线电掩星中Abel积分的广义形式不适合高精度地进行数值积分的问题 .在大气折射角随待测点的地心距呈指数函数衰减的假定下 ,对应两种算法分别生成相应的大气折射率 .折射率绝对差最大值出现在低层大气 ,可达到约为 7个折射率单位 ,两者的差异随高度递增逐渐“缩小” ;而从折射率的相对差方面考虑 ,折射率相对差的变化趋势

【作者】

：

蒋虎黄王成张运刚

【出处】

：

地球物理学进展

【发表日期】

：

2002年03期

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

其他文献

Data Fusion Technique for Multibeam Echosoundings

On the basis of an analysis of the error sources in multibeam echosounding system,a data processing method for compensating systematic errors in multibeam survey is proposed.In order to improve the ac

期刊

The Application of BP Networks to Land Suitability Evaluation

The back propagation (BP) model of artificial neural networks (ANN) has many good qualities comparing with ordinary methods in land suitability evaluation.Through analyzing ordinary methods limitation

期刊

A Progressive Line Simplification Algorithm

An application of line simplification considering spatial knowledge is described.A method for identifying potential conflict regions,in order to avoid the self_intersection of generalized lines,is als

期刊

The Spatial Characteristics of a Line and Their Application to Line Simplification

This paper discusses the spatial knowledge related to a line ,and the characteristic points of lines is detected.According to the requirements of line generalization,new algorithms for identifying cha

期刊

Land Use Structure Optimization Under Systematic Framework

This paper puts forward the concept of land use structure optimization under space_time coupling through analyzing the systematic characteristic of land use structure optimization.It mainly expounds t

期刊

The Main Content,Technical Support and Enforcement Strategy of Digital Agriculture

This paper deals with the content,purpose and significance of digital agriculture,and gives a brief introduction to digital earth,digital China and digital agriculture abroad.The main content of digit

期刊

Computational Complexity of Spatial Reasoning with Directional Relationship

The property of NP_completeness of topologic spatial reasoning problem has been proved.According to the similarity of uncertainty with topologic spatial reasoning,the problem of directional spatial re

期刊

LD2000 System with 3S and Multi-sensor

This paper introduces a car_borne road information collecting and updating system (LD2000) developed by Wuhan Technical University of Surveying and Mapping.This system is capable of collecting road ne

期刊

Rank-Defect Adjustment Model for Survey-Line Systematic Errors in Marine Survey Net

In this paper,the structure of systematic and random errors in marine survey net are discussed in detail and the adjustment method for observations of marine survey net is studied,in which the rank_de

期刊

Possibilities of GPS Kinematic Measurements for Geological Survey in East Slovakia

This paper deals with transformation procedures for observed GPS data from the world geodetic system WGS_84 into the national geodetic grid datum S_UTCN (system of united trigonometric cadaster networ

期刊

GPS无线电掩星反演大气参数中的算法研究

与本文相关的学术论文