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https://github.com/jman4162/electromagnetics-work-samples

Providing work samples of electromagnetic, RF, antenna, and radar system analysis that I performed for graduate school assignments.
https://github.com/jman4162/electromagnetics-work-samples

antennas electrical-engineering electromagnetic-fields electromagnetic-simulation electromagnetics em engineering metamaterials metasurface optimization phased-array radar radar-signal-processing system-design system-optimization systems-engineering wireless-communication wireless-sensor-networks

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Providing work samples of electromagnetic, RF, antenna, and radar system analysis that I performed for graduate school assignments.

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# electromagnetics-work-samples

I am providing work samples of electromagnetic, RF, antenna, and radar system analysis that I performed for graduate school assignments and public industry presentations.



## Electromagnetics Work Samples



Welcome to the Electromagnetics Work Samples repository. This repository is a collection of work samples, experiments, and projects in the field of electromagnetics. While I cannot share proprietary work samples from past employers, this aims to provide samples of past work.



Please see my [Google Scholar](https://scholar.google.com/citations?user=SZPSZm0AAAAJ&hl=en) profile for a comprehensive list of academic journal and conference papers and my [LinkedIn](https://www.linkedin.com/in/jhodge007/) profile for a list of professional experiences. 



## Table of Contents



- Phased Array Antenna Engineering Industry Talks

  - Multidisciplinary System Design Optimization Using Model-Based Engineering to Support Phased Array Antenna Architectural Trades

    - [Presentation Slides](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Phx2018UC_MDAO_Northrop-Grumman_Hodge.pdf)

  - A Model-Based Systems Engineering (MBSE) Approach to the Design & Optimization of Phased Array Antenna Systems

    - [Presentation Slides](https://github.com/jman4162/electromagnetics-work-samples/blob/main/A%20Model-Based%20Systems%20Engineering%20(MBSE)%20Approach%20to%20the%20Design%20%26%20Optimization%20of%20Phased%20Array%20Antenna%20Systems-MC_Presentation-2020-Final-1.pdf)

    - [Webinar link](https://www.phoenix-int.com/a-model-based-systems-engineering-mbse-approach-to-the-design-optimization-of-phased-array-antenna-systems-webinar-northrop-grumman-mission-systems/)

  - Featured ANSYS Customer Testimonial: [ModelCenter + Northrop Grumman](https://www.ansys.com/content/dam/resource-center/case-study/modelcenter-northrop-grumman-case-study.pdf)

- Phased Array Antenna Tutorial: Computing Radiation Patterns Using Python

  - [Python Jupyter Notebook](https://github.com/jman4162/Phased-Array-Antenna-Model/blob/main/Phased_Array_Antennas_Computing_Radiation_Patterns_Using_Python.ipynb)

- Virginia Tech PhD Dissertation: Reconfigurable Intelligent Metasurfaces for Wireless Communication and Sensing Applications

  - [Dissertation Document](https://vtechworks.lib.vt.edu/items/9011f677-0fcd-4f1a-9249-f5abe05bb806)

  - [Dissertation Defense Slides](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Hodge-John-PhD-Dissertation-Defense-Nov2021-Final-2.pdf)

- Virginia Tech Electromangetics (EM) Qualifying Exam

  - [Exam Presentation](https://github.com/jman4162/electromagnetics-work-samples/blob/main/VT%20EM%20Waves%20Qualifying%20Exam%20Presentation_C.pdf)

  - [Exam Report](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Hodge_John_Qualifying_Exam_Answers_E1.pdf)

  - Problems

    - Submarine Communicating with an Overhead Surveillance Aircraft

    - Detection Trades & Analysis of F-XY Fighter Aircraft Against Enemy Radar

    - Transmission Line Single-Stub Impedance Matching

    - Radar cross-section (RCS) of a Spinning Dumbbell Target Consisting of Two Small PEC Spheres

    - Radiated Fields and Power Radiated From Rotating Bar Magnet

- Virginia Tech Electromangetics (EM) Master's Thesis: Analysis of Periodic and Random Capacitively-Loaded Loop (CLL) Metamaterial Structures for Antenna Enhancement Applications

  - [Thesis Document](https://vtechworks.lib.vt.edu/items/d62c3c0f-6957-4543-800e-e33d28bef215)

- Course Project: Finite-Difference Time-Domain (FDTD) Waveguide Simulation

  - [Project Report](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Hodge_John_ECE_5106_FDTD_Project_Doc_Draft_C.pdf)

  - [MATLAB Code](https://github.com/jman4162/electromagnetics-work-samples/tree/main/fdtd-waveguide-calcs)

- Course Project: Radar Systems Design

  - [Project Report](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Hodge_John_ECE%205635%20Radar%20Systems_REVISED.pdf)

- Course Exam: Whispering Gallery Mode (WGM) Analysis in a Spherical Dielectric Resonator Using Spherical Harmonics

  - [Exam Report](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Whispering%20Gallery%20Mode%20-%20Hodge_John_ECE_5106_Final_Exam_Doc_Draft_E.pdf)

  - [MATLAB Code](https://github.com/jman4162/electromagnetics-work-samples/tree/main/ece5106finalexamcode-WGM)

- Course Exam: Electromagnetic (EM) Boundaries - Reflection and transmission of TE and TM polarized EM waves through a multi-layer dielectric slab structure

  - [Exam Report](https://github.com/jman4162/electromagnetics-work-samples/blob/main/EM%20Boundaries%20-%20Hodge_John_ECE_5105_Final_Exam_Draft_A%20(1).pdf)

  - [MATLAB Code](https://github.com/jman4162/electromagnetics-work-samples/tree/main/ece5105finalexamfinalcode)

- Course Project: Compute EM Scattering Using Multipole Expansion of Spherical Harmonics

  - [Scattering Field Plots](https://github.com/jman4162/electromagnetics-work-samples/tree/main/ECE%205106%20-%20Compute%20EM%20Scattering%20Using%20Multipole%20Expansion%20of%20Spherical%20Harmonics/Plots)

  - [Matlab Code](https://github.com/jman4162/electromagnetics-work-samples/tree/main/ECE%205106%20-%20Compute%20EM%20Scattering%20Using%20Multipole%20Expansion%20of%20Spherical%20Harmonics/Matlab%20Code)

- Course Exam: Radar Signal Processing - Analysis of Various Clutter Suppression Methods for a Ground-Based L-Band ARSR-3 Air Traffic Control Radar System

  - [Exam Report](https://github.com/jman4162/electromagnetics-work-samples/blob/main/Hodge_John_ECE_5636_Final_Exam_Report%20-%20Analysis%20of%20Various%20Clutter%20Suppression%20Methods%20for%20a%20Ground-Based%20L-Band%20ARSR-3%20Air%20Traffic%20Control%20Radar%20System.pdf)