Browsing Physics & Space Engineering by Issue Date
Now showing items 1-20 of 29
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Evaluation Of The Gim And Iri Model Using Ground-Based Tec Over Vietnam In 2018-2019
(2020)In this work, we examine International Reference Ionosphere (IRI)-2016 model and Global Ionospheric Maps (GIMs) by comparing with observed total electron content (TEC) from dual-frequency GPS receiver at the magnetic ... -
Flood Mapping In The Mekong Delta Region Using Sentinel-1 SAR Data On Google Earth Engine
(2020)Mekong delta is considered the largest granary in Vietnam, however the annual flooding of the region caused flooding over a wide area. Flooding in the Mekong delta not only brings resources to the regional population, ... -
Statiscal Study Of Small Solar Polar EUV Jets During Solar Maximum 2014-2015
(2020)In this study, a list of 20 small jets in both the North Pole and the South Pole of the Sun was made by using data from 171 Å channel from the Atmospheric Imaging Assembly (AIA) instrument on board the Solar Dynamics ... -
Research Simulation And Development Of A Software For An Optical Astronomical Statellite Tracking System
(2020)Space Situational Awareness (SSA) in this thesis is the research of tracking orbital objects and predicting their positions in space. The main goal of any SSA system is to create models that link the threats and hazards ... -
Modeling High-J Co Line Profiles In Shocks
(2020)Carbon monoxide (CO) is one of the best gas tracers in astrophysics including shocked gas. The shock wave can excite CO to very high excitation states, which are accessible to observations. In this work, I provide a ... -
Research Ibeacon In Ios And Build An App Supporting Marketing
(2020)Since the Fourth Industry Revolution was publicly introduced, technology has been used more and more in all fields of social life such as education, production, tourism, services, commerce, etc. To develop the Trade ... -
Modeling the impact of radiative feedback from a red supergiant on circumstellar dust
(2021)Evolved stars (AGB and RSG stars) are one of the main sources of complex molecules and dust in the universe. They form dust by condensation of gas species in their circumstellar envelopes (CSEs). The extinction of the ... -
Schematic design and verification of the on-board computer for micro and nano satellites
(2021)On-board Computer (OBC) is a very crucial component in any satellites. It is considered the brain that connecting and controlling subsystems. For each different space missions, requirements for OBC have various standards. ... -
Sentinel -2 - land use and land cover using convolutional neural network in Da Lat city
(2021)Land use and land cover (LULC) classification have been generated for a wide range of applications such as urban planning, environmental monitoring, etc. To respond, a number of classification techniques have been ... -
Monitoring agriculture crops using sentinel -2 satellite: A case study of coffee in Hoa Dong, Dak Lak province
(2021)In Vietnam, coffee is one of the most valuable traded commodities, which is planted in high altitude areas such as Tay Nguyen, Lam Dong, Cau Dat, etc. Among those, Dak Lak province, located in Central Highland, is one ... -
Mission playload design for coastal water quality observation
(2021-07)Water quality is an issue of concern in every country, especially in lowlands, estuaries, and coastal areas. Vietnam is a country that has a long seacoast, tangled river system. The economy of Vietnam is dependent on ... -
Estimating PM 2.5 air pollution in Ho Chi Minh city from landsat 8 and sentinel - 2 images
(2022)Air pollution is problematic for a densely populated city like Ho Chi Minh City (HCMC). Thanks to commercial and governmental organization’s air monitoring systems on the ground, citizens now have access to AQI level in ... -
Urbanization change in Ho Chi Minh city from 1990 to 2022 detecting using satellite imagery
(2022)After the Liberation day on the 30th April 1975, for three decades, Ho Chi Minh city has been through an urbanization process splitted into two phases. From 1976-1985, the city focused on post-war recovery, the infrastructure ... -
Forest Cover Change Detection From Sentinel-2 Imager Using Vector Change Analysis, A Case Study Of Phu Quoc Island During The Period Of 2019 - 2023
(2023)The main objective of this project is to detect forest changes in Phu Quoc Island during the period of 2019 – 2023 using Vector Change Analysis. Phuc Quoc is the largest island in Vietnam, located off the coast of Southern ... -
Analysis Of Physical Properties Of Water Rockets In Flight And Theoretical Velocity Calculation: A Comparative Study With Actual Results
(2023)The thesis focuses on designing a multistage water rocket to launch CanSat. I will explain the procedures for launching water rockets as well as the steps to optimize them. I also designed an electronic circuit with an ... -
An Application Of Advanced Big Data Analytics For Analyze Customer Transaction Behaviour A Case Study Of Grab Express Vietnam
(2023)Big data analytics (BDA) is gaining increasing attention in supply chain management (SCM) due to its various applications, such as analyzing customer behavior, identifying trends, and predicting demand. For this, as a ... -
Application Of Dmaic In Quality Improvement By Reducing Defects: A Case Study Of Scancom Vietnam
(2023)This thesis focuses on the application of the DMAIC (Define, Measure, Analyze, Improve, Control) methodology in reducing defects and improving quality in the assembly process of Scancom Vietnam. The study utilizes data ... -
Optimizing Cross Docking Operation -A Case Of Dc Mega Market At Gemadept Logistics
(2023)Cross-docking is a strategy which can help consolidate the goods in the supply chain and save costs by reducing the number of trucks. It is also a practice that helps to consolidate items in the supply chain while also ... -
Solving A Hybrid And Flexible Flow Shop Scheduling Problem With Time-Varying Demand For Fmcg Industry: A Case Of Unilever Vietnam
(2023)In this research paper, we tackle the Hybrid Flowshop Scheduling Problem with Demand Variation (HFSP-DV), a challenging problem in production scheduling. We develop a mixed integer programming model tailored specifically ... -
Minimizing Total Weighted Tardiness On Parallel Batch Machines With Incompatible Job Families In Semiconductor Industry
(2023)Batch scheduling is a commonly employed method in different industries, including the semiconductor manufacturing sector. The main objective of this research is to minimize the total weighted tardiness on parallel batch ...