Dissertation > Excellent graduate degree dissertation topics show

Using dual-frequency GPS observation value analysis plateau (kunming) area ionospheric TEC diurnal variation characteristics

Author: YangZhongXiang
Tutor: ShiKun
School: Kunming University of Science and Technology
Course: Geodesy and Survey Engineering
Keywords: GPS TEC instrumental error VTEC
CLC: P228.4
Type: Master's thesis
Year: 2008
Downloads: 47
Quote: 0
Read: Download Dissertation

Abstract


The basic knowledge about ionosphere and the theory about earth electromagnetic wave transmiting in the ionosphere are introduced detailedly in this paper. And the correction method of ionosphere delay and some ionosphere models that are in common use are also introduced. All kinds of facts that are influenced by ionosphere delay in using of GPS are analysed. The precision is improved by using the model of GPS analysing ionosphere lingering, via more researching of observation value and influence factor that are related.As for the middle and low latitude altiplano, it is difficult to describe the change of ionosphere with a appropriate mathematics model, and the changeable excursion of electron content is different in diverse place. Therefor in this paper, double frequency GPS observation value is adopted in this paper, under the considering of GPS system hardware delay, through the pseudo range and the reconstructed carrier phase observation value to work out TEC, then project it to a imaging layer above the altiplano(Kunming zone) air about 350km. Consequently export the method of plumb TEC around receiving station, through this method, the plumb TEC that we get is the average value of a prick angle around the vertex. In using the measure of dispersion statistic, combining the high precision data that collected in Kunming station, the day by day time sequence value of total electron content in altiplano zone (Kunming) ionosphere is accounted. On this base, the characteristic of TEC Sunday-changing in middle and low latitude place in double-hump zone is traced out, contradistinguishing with cors of Kunming. The average changeable characteristic in a day in altiplano ionosphere and the peak value of TEC on the sequence of time are also researched.

Related Dissertations

  1. Research and Realization on Synchronization Technology of High Sensitivity GNSS Software Receiver,P228.4
  2. Study on Attitude Determination Method of Distributed Moving Warship OTHR System,P228.4
  3. The Research of Navigation Multi-Sensor Data Fusion Technology Based on Micro Unmanned Platform,V249.32
  4. Algorithm Research on SINS/GPS Integrated Navigation Syste,V249.328
  5. Study on the Locomotive Dynamic Supervision System,U284.48
  6. Research on Techniques of Information Acquisition and Location in Pavement Roughness Inspection,U416.2
  7. Research on Temprature Controling Technology of Laser Diode with Thermoelectric Cooler,TN248.4
  8. Anti-Jam Technique Research for GPS,P228.4
  9. Location Assisted Wi-Fi Discovery on Mobile Devices for Energy Saving,TN929.53
  10. Design of GPS Information Receiving System Based on Nios Ⅱ,TN967.1
  11. Energy-Efficient Localization Strategy for Smartphones,TN929.53
  12. GIS and GPS- based Land Resources dynamic inspection system design and implementation,P208;P228.4
  13. Design and Implementation of Hydrological Information Automatic Monitoring System,P335
  14. Bioinformatics Analysis of Ubiquitination and Pupylation,Q51
  15. Study on the Technique of Information Fusionapplied to Enbedded Driver Fatigue Detection,TP368.12
  16. Research on Optimal Global Path Planning for Complete Coverage with GPS Guidance on Tractor,TN967.1
  17. Study of Pulse Signal Algorithm and Positioning for Pulse Signal’s Automatic Monitoring System,TN911.7
  18. Research on CP Mircrostripantenna with Wide Beamwidth Andarrayantenna for GPS Band Application,TN822
  19. The Design and Implementation of Vehicle Positioning and Tracking System Based on ARM,TP368.12
  20. Software Approach to Implement Power Optimization in Embedded Handheld Mobile Gis Device,TP311.52
  21. Design and Implementation of a unit of military vehicle dynamic management and monitoring system,TP311.52

CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Geodesy > Satellite geodesy and space geodesy > Global Positioning System (GPS)
© 2012 www.DissertationTopic.Net  Mobile