Chrome Extension
WeChat Mini Program
Use on ChatGLM
VIPCreated with Sketch.

一种GPS多路径反射信号的雪深反演

Guangtong SHUI,Nanshan ZHENG, Fangping ZHOU,Xuefeng YAN,Yongpeng SHI,Meng BAN,Zuodong QI

Science of Surveying and Mapping（2017）

Cited 0|Views2
No score
Abstract
针对传统雪深测量缺乏必要时空敏感性的不足,该文在分析GPS信号多路径反射模型的基础上,利用GPS信噪比观测数据,通过分离提取多路径反射分量研究其时频特性,探讨GPS多路径信号与雪深及其变化关系并进行反演建模.依据菲涅尔反射区理论,确定了反射区域范围,进一步探讨卫星、波段选择及初始反射高度确定等.对比实验研究表明,反演结果与实测值吻合较好,相关系数为0.93,均方根误差为8.6 cm;信噪比多路径反射分量的频率能有效跟踪积雪深度的变化.
More
Translated text
Key words
GNSS-MR,multipath signals,signal to noise ratio,inversion of snow depth,spectrum analysis
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined