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Syllabus ( GEOD 641 )


   Basic information
Course title: High Precision GNSS Geodesy
Course code: GEOD 641
Lecturer: Prof. Dr. Cemal Özer YİĞİT
ECTS credits: 7.5
GTU credits: 3 (3+0+0)
Year, Semester: 1/2, Fall and Spring
Level of course: Third Cycle (Doctoral)
Type of course: Departmental Elective
Language of instruction: Turkish
Mode of delivery: Face to face , Lab work
Pre- and co-requisites: none
Professional practice: No
Purpose of the course: The main objective of this course, to teach students GNSS surveying strategies, processing and analysis methods in geodetic and geosciences applications that require high-precision positioning.
   Learning outcomes Up

Upon successful completion of this course, students will be able to:

  1. gain the ability to do high precision GNSS measurements and analysis.

    Contribution to Program Outcomes

    1. Define and apply advanced concepts of Geodetic and Photogrammetric Engineering
    2. Gain skills to specify, model and solve engineering problems.
    3. Gain skills for project planning and application and also abilities to analyse and interpret the results.
    4. Design and apply practices in a special field of Geodetic and Photogrammetric Engineering, and evaluate the results with scientific methods by using collected data
    5. Independently carry out and report a project in a special field of Geodetic and Photogrammetric Engineering

    Method of assessment

    1. Written exam
    2. Homework assignment
  2. gain the ability to process GNSS data using academic software.

    Contribution to Program Outcomes

    1. Define and apply advanced concepts of Geodetic and Photogrammetric Engineering
    2. Gain skills to specify, model and solve engineering problems.
    3. Independently carry out and report a project in a special field of Geodetic and Photogrammetric Engineering
    4. Gain capacity and effectively use computer softwares in a special field of Geodetic and Photogrammetric Engineering

    Method of assessment

    1. Written exam
    2. Homework assignment
  3. gain the ability to measure and excute projects regarding earth crust movement with mm level using GNSS

    Contribution to Program Outcomes

    1. Define and apply advanced concepts of Geodetic and Photogrammetric Engineering
    2. Gain skills to specify, model and solve engineering problems.
    3. Gain skills for project planning and application and also abilities to analyse and interpret the results.
    4. Design and apply practices in a special field of Geodetic and Photogrammetric Engineering, and evaluate the results with scientific methods by using collected data
    5. Gain skills to drive multi discipliner teamwork
    6. Develop an understanding of professional and ethic responsibilities

    Method of assessment

    1. Written exam
    2. Homework assignment
   Contents Up
Week 1: Concept of High precision GNSS and its geodetic applications
Week 2: GNSS networks and measurments in monitoring continental and regional movements
Week 3: IGS service. IGS products and its accuracies
Week 4: Factors affecting GNSS precision and methods of high precision GNSS measurements
Week 5: Pre-analysis, converting, editing and quality check of of GNSS data
Week 6: Processing of static GNSS data with relative positioning using GAMIT/GLOBK software (Baseline solution)
Week 7: Processing of static GNSS data with relative positioning using GAMIT/GLOBK software (Network solution)
Week 8: Midterm exam
Week 9: Determination of point velocities and creation of time series with GAMIT / GLOBK software
Week 10: OPUS, AUSPOS, SCOUT web-based relative GNSS processing software and its application to geosciences
Week 11: PPP and PPP-AR method, web-based and free/open-source GNSS-PPP and PPP-AR software
Week 12: GNSS-PPP solutions with web-based and free/open-source software and geodetic applications
Week 13: GNSS-PPP solutions with web-based and free/open-source software and geodetic applications
Week 14: MGEX products, Real-Time PPP method and usage in natural disaster early warning systems
Week 15*: An overview
Week 16*: Final exam
Textbooks and materials:
Recommended readings: • Alçay S, İnal C, Yigit C.O, Yetkin M. (2012) Comparing Glonass-Only with GPS-Only and Hybrid Positioning in Various Length of Baselines, Acta Geod. Geop. Hung. 47(1):1-12
• Kaplan E., Hegarty C.J. (Eds.) (2006) Understanding GPS: Principles & Applications, Second Edition, Artech House Publishers, 703 p.
• Kouba J. and He´roux P. (2001) GPS Precise Point Positioning using IGS orbit products, GPS Solutions, 5(2): 12–28.
• Mireault Y., Te´treault P., Lahaye F., He´roux P., Kouba J. (2008) Online Precise Point Positioning: A new, timely service from natural resources Canada, GPS World (Sept.):59–64
• Ocalan T., Erdogan B., Tunalioglu, N. (2013) Analysis of web-based online services for GPS relative and precise point positioning techniques. Boletim de Ciências Geodésicas, 19(2):191–207
• Rizos C., Janssen V., Roberts C., Grinter T. (2012) GNSS: Precise Point Positioning PPP versus DGNSS, Geomatics World (October):18–20.
• Sanli D.U. and Engin C. (2009) Accuarcy of GPS Positioning over Regional Scales, Survey Review, 41: 192-200
• Sansò F. and Gil A.J. (Eds.) (2006) Geodetic Deformation Monitoring: From Geophysical to Engineering Roles. IAG Symposium 131, Springer, 306 p.
• Seeber G. (1993) Satellite geodesy, Walter de Gruyter, Berlin
• Teferle F. N., Orliac E. J., Bingley R. M. (2007) An assessment of Bernese GPS software precise point positioning using IGS final products for global site velocities. GPS Solutions, 11(3):205–213.
• Xu G. (Ed.) (2010) Science of Geodesy I: Advances and Future Directions, Springer, 507 p.
• Yigit C.O, Gikas V., Alcay S., Ceylan A. (2013) Performance evaluation of short to long term GPS, GLONASS and ,GPS/GLONASS post-processed PPP, Survey Review, Online first, DOI:10.1179/1752270613Y.00000000068
  * Between 15th and 16th weeks is there a free week for students to prepare for final exam.
Assessment Up
Method of assessment Week number Weight (%)
Mid-terms: 8 30
Other in-term studies: 0 0
Project: 0 0
Homework: 3 30
Quiz: 0 0
Final exam: 16 40
  Total weight:
(%)
   Workload Up
Activity Duration (Hours per week) Total number of weeks Total hours in term
Courses (Face-to-face teaching): 3 14
Own studies outside class: 3 14
Practice, Recitation: 0 0
Homework: 6 11
Term project: 0 0
Term project presentation: 0 0
Quiz: 0 0
Own study for mid-term exam: 3 3
Mid-term: 3 1
Personal studies for final exam: 6 3
Final exam: 3 1
    Total workload:
    Total ECTS credits:
*
  * ECTS credit is calculated by dividing total workload by 25.
(1 ECTS = 25 work hours)
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