Ali Hasan Dogan

Ali Hasan Dogan
Yildiz Technical University · Department of Geomatics Enginering

MSc

About

17
Publications
2,125
Reads
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15
Citations
Education
July 2017 - June 2021
Yildiz Technical University
Field of study
  • Geomatics Engineering
September 2015 - July 2017
Yildiz Technical University
Field of study
  • Geomatics Engineering
September 2010 - June 2014
Yildiz Technical University
Field of study
  • Geomatics Engineering

Publications

Publications (17)
Article
Precise Point Positioning (PPP) algorithms have been widely used in the Global Positioning System (GPS)-based applications. A PPP technique with a single receiver provides effective solutions where accurate absolute positioning is required. This paper provides the performance assessment of GPS PPP for detecting the displacements caused by an earthq...
Article
Global positioning system (GPS) refers positioning, timing and navigation services for different engineering applications. GPS positioning accuracies vary depending on the several parameters such as surveying method, data processing strategy and software packages. Bernese v5.2 software package is an important tool for processing and analyzing of th...
Article
Full-text available
GPS teknolojisi, tektonik aktivitelerin izlenmesi, deformasyon analizi, hassas nokta konumlama gibi pek çok jeodezik çalışma için hassas veri sağlamaktadır. Bu çalışmalarda kullanılacak doğruluğu yüksek verinin analizi için uydulardan gönderilen sinyallerin çok yolluluk etkisinden arındırılması gerekmektedir. Genel bir tanım olarak, bir uydudan yay...
Article
Due to contents of the dry air and water vapor, troposphere affects radio signals of the space geodetic techniques (e.g., GNSS and VLBI) as range delays. These tropospheric delays should be eliminated to achieve precise point positioning. Over the years, researchers have been developed many of troposphere model. However, the existing models differ...
Article
In the next generation, the use of dual-frequency Embedded GNSS Chipset in the smart devices, which will be widely used in engineering applications, has been used for the first time in Xiaomi Mi8. Considering this development dynamics, a kinematic test was carried out in the marine environment monitoring with a geodetic GNSS receiver and an android...
Article
Full-text available
Nowadays, Global Navigation Satellite Systems (GNSS) data are used in most of the geodetic studies. Positioning information can be obtained by using GPS, GLONASS, Galileo and BeiDou in the structure of the GNSS. International GNSS Service (IGS) has initiated a project, called Multi-GNSS Experiment (MGEX), to collect, track and analyze different sig...
Article
Kinematic Deformation Analysis (KDA) models are preferred to estimate displacement, velocity and acceleration parameters. The quadratic models are often used in KDA. To estimate the reliability of the model, Linear Motion Systems (LMS) integrated with GPS were established at four object points located properly in University Campus. Moreover, five c...
Poster
Full-text available
The linear and quadratic kinematic models are frequently preferred to put forth the characteristic of deformations in geodetic applications such as the determination of the tectonic, landslide and engineering structure motions. However, if one uses the linear model, this may result in an incorrect estimation of the velocity or acceleration when the...
Article
Full-text available
Bir datumdan diğer bir datuma olan koordinat dönüşümü jeodezinin temel problemlerinden bir tanesidir. Genel olarak problem, matematiksel eşitlikler kullanarak koordinatların, kartezyen koordinat sisteminde iki eksenin kesişimi ile tanımlanan bir başlangıç noktasından başka bir sisteme dönüşümü olarak tanımlanmaktadır. Dönüşüm parametrelerinin hesap...
Poster
Full-text available
Determination of Snow Depth Using Reflected GPS Signals
Poster
Full-text available
In recent years, users prefer Global Navigation Satellite System (GNSS) technique rather than traditional techniques for geodetic applications. Accuracy of GNNS observations depends on several parameters such as surveying method, data processing strategy and software. GNSS observations are generally processed by using academic software or commercia...
Poster
Full-text available
The accuracy of GNSS positioning varies depending on the observing methods. The accuracy of static GNSS positioning is approximately millimeters but the accuracy is approximately centimeters for rapid static positioning. When the required accuracy cannot be obtained in rapid static GNSS positioning, increasing the observing session duration could p...
Poster
Full-text available
Coordinate transformation is an important problem in geodesy discipline. Variations in stochastic and functional models in transformation problem cause different estimation results. Least-squares (LS) method is generally implemented to solve this problem. LS method accepts only one epoch coordinate data group erroneous in stochastic model. But howe...

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