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Basics

Name Suren Gourapura
Email sureng@princeton.edu
Phone (330) 988-2167
Url https://sgourapura.github.io/
Summary Interested in CMB data analysis

Work

  • 2024.09 - 2024.09
    Cosmoglobe Workshop Participant
    University of Oslo Bayesian Cosmological Data Analysis Course
    Learning to use Commander 3, an end-to-end Bayesian parameter estimator that combines data from multiple experiments
    • Applied SPIDER-1 data at the map level to Commander 3
  • 2019.07 - 2026.05
    Graduate Student
    Princeton University Department of Physics
    Working on the SPIDER and Taurus experiments
    • Pointing reconstruction for SPIDER-2 using CMB intensity fluctuations
    • Characterization of pointing errors using compact source statistics
    • Understanding scan synchronous noise
    • Development of data quality flags and statistics
    • Primary calibration and instrument parameters through CMB cross-correlation
    • SPIDER-2 integration and testing campaigns: Winter 2022-23 McMurdo Antarctica, Summer 2021 Palestine TX, Spring 2020 Princeton NJ
    • Tested various SPIDER-2 pointing strategies
    • Development of spectral domain component separation pipeline
    • Created unique divisions of the SPIDER sky and probed for correlations in existing cosmological data
    • Implementation and calibration of cryogenic housekeeping instrumentation
    • Mechanical design, testing, and assembly of flight photovoltaic arrays
    • Development and implementation of flight data storage system
    • Investigation of efficient, cryogenic filters for mitigation of RFI
  • 2018.05 - 2018.08
    Class Developer
    Big Data Analytics Project
    Helped create a new class, “Big Data” Analytics (Physics 6820)
    • Documented here: www.github.com/SummerBigData
    • Explored multivariate linear regression and logistic regression
    • Classified the MNIST digit dataset using a convolutional neural network (CNN) with learned features from an autoencoder (AE)
    • Classified 64x64 color images of cats, dogs, cars, and airplanes using a CNN with learned features from a color AE
    • Kaggle Challenge: Statoil/C-CORE Iceberg Classifier. Trained a CNN to distinguish radio images of icebergs or ships. Used filtering data augmentation, pseudolabeling, and a Variational AE.
    • Kaggle Challenge: Plant Seedling Classification. Trained a CNN to classify pictures of 12 plant seedlings. Used kfolds, t-distributed Stochastic Neighbor Embedding, and PCA data augmentation
  • 2016.07 - 2019.05
    Undergraduate Researcher
    Ohio State University Department of Physics
    Working on the Askaryan Radio Array (ARA)
    • Wrote a genetic algorithm to calibrate SURF data from Stanford Linear Accelerator Center (SLAC)
    • Wrote genetic algorithms to evolve wire antennas using gain and neutrino shower simulation software
    • Development of Askaryan Radio Array (ARA) hardware, firmware, and integration
    • Wrote genetic algorithms to fit spherical harmonic coefficients, generating directional antenna gain patterns
  • 2016.05 - 2016.07
    Summer Researcher
    Salmonella Nanoparticle Vaccine Internship
    Aided in developing a nanoparticle based subunit Salmonella oral vaccine to use in poultry to reduce colonization and shedding of Salmonella
    • Dissected and collected various organs, contents, and blood from over 60 chickens infected with the food poisoning bacteria Salmonella
    • Extracted DNA and RNA from cecal content and cecal tonsils for genetic analysis

Volunteer

  • 2021.06 - 2022.05

    Princeton, New Jersey

    Midwest Region Ambassador
    Equity Diversity Initiative: Grad Recruiting
    EDI initative helping undergraduate students learn about graduate student life, PhD research, and graduate applications
    • Helped develop and was hired as a paid Ambassador in the Princeton Physics Department’s EDI program
    • Created to actively reach out to undergraduate students and explain Physics Graduate school
    • Advised for undergraduate students in the midwest region
  • 2021.06 - 2022.05

    Princeton, New Jersey

    Volunteer/Organizer
    Equity Diversity Initiative: Grad Recruiting
    EDI initative borne from 2021 George Floyd marches. Targeted at removing barriers for underrepresented minorities to apply and attend the Princeton Physics graduate program
    • Interviewing students and editing the website to be more informative
    • Creating the Ambassadors group
    • Investigating the Physics Graduate Admissions Committee to search for ways to better identify student talent beyond their institution and GPA
  • 2018.06 - 2019.06

    Columbus, Ohio

    Volunteer/Organizer
    Highschool research opportunities for women
    Volunteered and coordinated research opportunities for women from local high schools
    • I presented my work on antenna genetic programming and guided them to evolve their own antennas with python
  • 2017.06 - 2017.07

    Columbus, Ohio

    Volunteer/Organizer
    Achieving in Science through Physics Instrumentation, Research, and Exploration (ASPIRE)
    Volunteered and coordinated a highschool program to get women from local highschools interested in physics
    • Set up an antenna experiment involving signal triangulation using oscilloscopes
    • Helped coordinate activities broadly and help students with their projects

Education

Awards

  • 2023
    Antarctica Service Medal
    National Science Foundation
    For civilian participants who deploy to an Antarctic research station or vessel and remain south of 60 degrees South latitude via the U.S. Antarctic Program
  • 2019
    Member of Phi Beta Kappa
    Phi Beta Kappa
  • 2019
    DAP Student Travel Award
    American Physics Society, Division of Astrophysics
    Travel grant for APS members who are presenting talks or posters
  • 2015.2019
    Provost Scholarship
    The Ohio State University
    Merit-based scholarship for Ohio State Undergraduate students
  • 2019
    Smith Senior Award
    The Ohio State University Department of Physics
    Merit-based scholarship for Ohio State Physics Undergraduate students, nominated and chosen by faculty
  • 2018
    Smith Junior Award
    The Ohio State University Department of Physics
    Merit-based scholarship for Ohio State Physics Undergraduate students, nominated and chosen by faculty
  • 2017
    Undergraduate Research Scholarship
    The Ohio State University Department of Physics
    Provides funds to support undergraduate Physics and Engineering Physics majors pursuing research projects with OSU Physics faculty members
  • 2017
    Second-year Transformational Experience Program
    The Ohio State University
    Provides funds for a summer project
  • 2016
    Helen Cowan Book Award
    The Ohio State University
    Recognizes high achievement among freshmen level undergraduate physics and engineering physics majors who have completed the introductory physics sequence
  • 2016
    Family Scholarship
    The Ohio State University
  • 2016
    CFAES Family Scholarship
    College of Food, Agricultural, and Environmental Sciences, at The Ohio State University
    Provide educational assistance to eligible spouses or dependent children of CFAES employees
  • 2015
    Eagle Scout
    Boy Scouts of Americ, Buckeye Council, Killbuck District
    Earned the highest rank in the Boy Scouts of America. Directed an Eagle Scout Service Project (152 total person-hours). Built stone signs at Secrest Arboretum in OARDC, Wooster

Skills

Electronics
Surface-mount soldering
Cable making
Machining
End mill and lathe
Imperial and metric hardware
Brass, steel, aluminum, copper
3D Modeling
Fusion 360
Solidworks
Coding Languages
Python
Bash
C++
Mathematica
LaTeX
3D Printing
Owned Artillery Sidewinder X1 filament printer
Sliced with Cura
Transported and operated 3D printer in Antarctica
Woodworking/Woodcarving
Designed and outfitted two woodworking spaces
Small projects: jewelry boxes, ring box, stools, shoe racks, coat hangers, tool handles, mallets, birds, spoons
Medium projects: computer table, mobile workbenches, wood stock shelving
Large/outdoor projects: bed frame with castle joints, garden planters, benches, trellis
Computer Hardware
Built custom watercooled and air-cooled gaming computers

Languages

English
Fluent
Kannada
Proficient
German
Beginner

Talks