William Chang Email and Phone Number
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Invested in direct/indirect imaging techniques, the evolution of brown dwarfs, and the merging of galaxies, I conduct research that encompasses astrophysics, data science, and engineering. My current research focuses on targeted searches for supermassive black hole binaries using pulsar timing arrays, a powerful method for detecting gravitational waves. I am competent in solving scientific and engineering problems with machine learning models and optics techniques. I have experience in probing the stochastic gravitational wave background with multimessenger astrophysics, exploring extrasolar planetary systems and circumstellar disks with spectropolarimetry, and utilizing convolutional neural networks to improve computer vision algorithms.
Yale University Physics Department
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Graduate Research FellowYale University Physics Department Oct 2024 - PresentNew Haven, Connecticut, United StatesYale Gravitational Waves Astrophysics LabAdvisor: Dr. Chiara MingarelliProject: Targeted Searches for Supermassive Black Hole Binary with NANOGrav 15 yr DataKeywords: Gravitational Waves, Pulsar Timing Array, MCMC -
Teaching AssistantYale Graduate School Of Arts And Sciences Sep 2024 - PresentNew Haven County, Connecticut, United StatesPHYS 378 - Introduction to Scientific Computing & Data SciencePHYS 171 - University Physics: Life Sciences -
SenatorYale Graduate & Professional Student Senate Sep 2024 - PresentNew Haven, Connecticut, United States -
Publicity And Outreach OfficerYale Taiwanese Student Association Sep 2024 - PresentNew Haven, Connecticut, United States
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Catering Delivery Service RepresentativeAssociated Students Ucla Sep 2023 - Jun 2024Los Angeles, California, United StatesProduce meals for events on UCLA campus. Responsibilities include cooking and assembling pizza, sandwiches, and salads, delivering meals to venues, attending events to serve guests, and maintain daily kitchen operations. -
PresidentUcla Tsa Jul 2023 - Jun 2024Los Angeles, California, United States -
Family Outreach CoordinatorUcla Tsa Sep 2022 - Jun 2023Los Angeles, California, United States -
Undergraduate Course GraderUcla Physics And Astronomy Sep 2022 - Jun 2024Los Angeles, California, United StatesPhysics 1A - Physics for Scientists and Engineers: MechanicsPhysics 5A - Physics for Life Science Majors: Mechanics and EnergyPhysics 5B - Physics for Life Sciences Majors: Thermodynamics, Fluids, Waves, Light, and OpticsPhysics 5C - Physics for Life Sciences Majors: Electricity, Magnetism, and Modern PhysicsPhysics 32 - Mathematical MethodsResponsibilities include grading homework, quizzes, and exams for the course, proctoring for the exams, and attend weekly meetings with the course instructor to discuss grading. Course topics include mechanics and mathematical methods. -
Undergraduate ResearcherUcla Physics And Astronomy Sep 2022 - Jun 2023University Of California Los Angeles, California, United StatesUCLA Astrophysics Data LabAdvisor: Dr. Tuan DoProject: OSIRIS Imager Saturation Readout Correction via Up-the-Ramp SamplingProject: Improving OSIRIS Science Output with a New Spectroscopic Data Reduction Pipeline -
Undergraduate Learning AssistantUndergraduate Learning Assistant Program At Ucla Sep 2022 - Mar 2024Los Angeles, California, United StatesLA: Physics 5BL Thermodynamics, Fluids, Waves, Light, and Optics LaboratoryPedagogy Head LA: Physics 1C Electrodynamics, Optics, and Special RelativityLogistics Head LA: Physics 5A Mechanics and EnergyHead learning assistant who help run the Undergraduate Learning Assistant Program at UCLA. Responsibilities include serving as admission officer for program applications, hosting pedagogy seminars, and attend weekly meetings with program directors for logistics.As learning assistant, we also assist the course instructor in teaching the course. Responsibilities include leading discussion section, holding office hours, designing discussion section worksheets, and attend weekly meeting with instructor to discuss course content. Course topics include fluids and optics laboratory, electrodynamics, special relativity, and mechanics. -
Undergraduate ResearcherCaltech Jun 2023 - Aug 2023Pasadena, California, United StatesCaltech Summer Undergraduate Research FellowshipAdvisor: Dr. Dimitri MawetProject: Optimizing WIRC+Pol Pipeline and Characterizing Brown Dwarf Circumstellar Disks in the Taurus Molecular Cloud via Near-Infrared SpectropolarimetryFully funded research project by Caltech Summer Undergraduate Research Fellowships to work with Dr. Dimitri Mawet during the summer. Project includes optimizing WIRC+Pol pipeline and characterizing brown dwarf circumstellar disks in the Taurus molecular could via near-infrared spectropolarimetry. Skills involved are polarimetric optics modeling, data reduction and analysis techniques, spectroscopy and polarimetry. -
Undergraduate ResearcherUcsb Department Of Physics Mar 2022 - Dec 2022University Of California-Santa Barbara, California, United StatesUCSB Exoplanet Polarimetry GroupAdvisor: Dr. Maxwell Millar-BlanchaerProject: Detection of Polarization in Unresolved Luhman 16 Brown Dwarf BinaryProject: Simulation of Half-wave Plate Retardance CharacterizationFully funded research projects with Dr. Maxwell Millar-Blanchaer during the school year and in summer. Projects include simulation of half-wave plate retardance characterization and detection of polarization in unresolved Luhman 16 brown dwarf binary. Skills involved are polarimetric optics modeling, data reduction and analysis techniques, photometry and polarimetry.Keywords: Half-wave Plate Optical Characterization Modelling; VLT FORS2 Data Reduction & Analysis; Luhman 16 Brown Dwarf Binary Polarization Detection via Photometry & Polarimetry -
Undergraduate Instructional AssistantUcsb Department Of Physics Mar 2021 - Dec 2022Goleta, California, United StatesINT 84AH - Special Relativity for Pedestrians -
Undergraduate Course GraderUcsb Department Of Physics Jul 2022 - Aug 2022Goleta, California, United StatesPHYS 100A/102 - Methods of Theoretical PhysicsResponsibilities include grading homework, quizzes, and exams for the course, proctoring for the exams, and attend weekly meetings with the course instructor to discuss grading. Course topics include mechanics and mathematical methods. -
Undergraduate Learning AssistantUcsb Department Of Physics Jan 2022 - Jul 2022Goleta, California, United StatesPHYS 29 - Introduction to Computer Programming for the Physical SciencesAssisting the course instructor in teaching the course. Responsibilities include leading discussion section, holding office hours, designing discussion section worksheets, and attend weekly meeting with instructor to discuss course content. Course topics include computer programming for physics, partial differential equations, and linear algebra. -
Undergraduate ResearcherUcsb Department Of Physics Sep 2021 - Mar 2022Goleta, California, United StatesUCSB HGCAL GroupAdvisor: Dr. Joseph Incandela Project: Deformation of LHC High-Granularity Calorimeter Modules under Thermal CyclingKeywords: High-Granularity Calorimeter Module Deformation Modeling; IV Hysteresis; Thermal Chamber Automation Programming -
Clas Math And Physics TutorUc Santa Barbara Jan 2022 - Jun 2022Goleta, California, United StatesUCSB Campus Learning Assistance ServicesOne-on-one/Drop-in TutoringMATH 4A - Linear Algebra with ApplicationsMATH 4B - Differential EquationsMATH 6A - Vector Calculus with Applications IMATH 6B - Vector Calculus with Applications IIProvide one-on-one tutoring service and hold group tutoring sessions for undergraduate math and physics courses. Topics include python programming, linear algebra, ordinary and partial differential equations, vector calculus, translational and rotational mechanics, E&M, modern physics, and introduction to quantum mechanics -
Undergraduate Research AssistantNational Ilan University Sep 2020 - Mar 2022Yilan County, Taiwan, TaiwanNIU Multimedia & Intelligent Technical LabAdvisor: Dr. Chih-Hsien HsiaProject: Real-Time Retail Product Detection with New Augmentation FeaturesFully funded research project with Dr. Chih-Hsien Hsia during the school year and in summer. Project include real-time retail product detection with new augmentation features. Skills involved are PyTorch deep learning, feature extraction with mask and faster R-CNN algorithms and DWT, big data analysis, and real-time object recognition.Keywords: Computer Vision via PyTorch Deep Learning; Feature Extraction with Mask and Faster R-CNN algorithms and DWT; Big Data Analysis; Real-time object recognitionPublications: - Hsia C-H, Chang T-HW, Chiang C-Y, Chan H-T. Mask R-CNN with New Data Augmentation Features for Smart Detection of Retail Products. Applied Sciences. 2022; 12(6):2902. https://doi.org/10.3390/app12062902- C. -H. Hsia, W. Chang, C. -Y. Chiang and H. -T. Chan, "Real-Time Retail Product Detection with New Augmentation Features," 2021 International Conference on Electronic Communications, Internet of Things and Big Data (ICEIB), 2021, pp. 221-223, doi: 10.1109/ICEIB53692.2021.9686393. -
Go InstructorMinistry Of Education, Roc (Taiwan) Feb 2021 - Jun 2021台灣 Taiwan 臺北市 文山區Xinghua Elementary School Go ClubInstruct after-school Go club and cultivate student interests in Go. Responsibilities include instructing a class of 40 students for 2 semesters, preparing instruction materials and course plan, and training students to participate in competitions. -
Undergraduate Student RepresentativeUcsb Division Of Student Affairs Jan 2021 - Jun 2021Goleta, California, United StatesUCSB Student Affairs Student CouncilCreated Gauchospace GauchoGoals
William Chang Education Details
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Physics -
3.968 -
Kang Chiao International SchoolMiddle School Diploma
Frequently Asked Questions about William Chang
What company does William Chang work for?
William Chang works for Yale University Physics Department
What is William Chang's role at the current company?
William Chang's current role is Physics Ph.D. Student at Yale & Physics Highest Honors at UCLA.
What is William Chang's email address?
William Chang's email address is wi****@****cla.edu
What schools did William Chang attend?
William Chang attended Yale University, Ucla, Uc Santa Barbara, International Baccalaureate, Kang Chiao International School.
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William Chang
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