CHAPTER 9

ELEMENTS OF GPS NETWORK PROCESSING

 

9.1 Introduction to GPS Network Processing

9.1.1 Introduction
9.1.2 Secondary Network Adjustment Concepts
9.1.3 Interpreting Solution VCV Matrices
9.1.4 Variance Factor Test
9.1.5 Outlier Testing and Residuals

 

9.2 Single-Session Network Processing

 
9.2.1 Introduction
 
9.2.2 Multi-Baseline Processing : Primary GPS Phase Reduction
 
9.2.3 Selecting the Baselines
 
9.2.4 Baseline Processing & Secondary Network Adjustment
 
9.2.5 Should Trivial Baselines be Included in a Single Session Adjustment?

 

9.3 Multi-Session Network Processing

9.3.1 Introduction
9.3.2 Obtaining a Multi-Session Solution
9.3.3 Secondary Network Adjustment : The Models
9.3.4 Designing a Multi-Session Network
9.3.5 Secondary Adjustment of A Multi-Session Network
9.3.6 What to Do About the Variance Factor?
9.3.7 Solution Independent Exchange Format : SINEX

 

9.4 Modifying the Stochastic Model

 
9.4.1 Introduction
9.4.2 An Empirical Method of Determining Realistic Variances for GPS Baseline Solutions
9.4.3 An Empirical Method of Determining VCV Scale Factors for GPS Baseline Solutions
 
9.4.4 Using Empirically Derived Variances to Alter the VCV Matrices
9.4.5 Multi-Baseline VCV Matrices From Single Baseline Reductions
9.4.6 A Procedure for Incorporating Trivial Baselines into a Secondary Adjustment
9.4.7 "Standardisation" of VCV Matrices To Account For Between-Epoch Physical Correlations

 


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