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Researcher · RTX (United States) · United States

Greg Johnson

Greg Johnson publishes mostly in Aerospace Engineering, Artificial Intelligence and Control and Systems Engineering, on topics such as GNSS positioning and interference, Inertial Sensor and Navigation and Target Tracking and Data Fusion in Sensor Networks.

OpenAlex
World rank
#2,315,107
of 7,710,434 ranked researchers
Rank in United States
#689,943
of 1,627,098
Works
29
Citations
52
Citations per work
1.8
h-index
5
i10-index 1Top 62% in Aerospace Engineering
Greg Johnson

What does Greg Johnson research?

Greg Johnson's work is mostly in Engineering (51%), Computer Science (18%), Earth and Planetary Sciences (4%).

Physical Sciences: 21 works · 73.7% of their workEngineering: 15 works · 51.3% of their workAerospace Engineering: 11 works · 38.2% of their workControl and Systems Engineering: 3 works · 9.2% of their workElectrical and Electronic Engineering: 1 works · 3.9% of their workComputer Science: 5 works · 18.5% of their workArtificial Intelligence: 4 works · 13.2% of their workComputer Networks and Communications: 2 works · 5.3% of their workEarth and Planetary Sciences: 1 works · 3.9% of their workOceanography: 1 works · 3.9% of their workEverything else: 8 works · 26.3% of their workTHEIR WORKGreg Johnson29works
Physical Sciences74%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering1551.3%
    2. Computer Science518.5%
    3. Earth and Planetary Sciences13.9%
  2. Everything else826.3%
  1. 1Aerospace Engineering38% of their works
  2. 2Artificial Intelligence13% of their works
  3. 3Control and Systems Engineering9% of their works
  4. 4Computer Networks and Communications5% of their works
  5. 5Oceanography4% of their works
  6. 6Electrical and Electronic Engineering4% of their works

Research topics

Which keywords describe Greg Johnson's research?

The keywords of their largest research topics: Sensor Fusion, Global Navigation Satellite Systems, GNSS, Inertial Navigation Systems, Kalman Filtering, Nonlinear Estimation, Particle Filters and Unmanned Aerial Vehicles.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 17 words, with their numbers
  1. Sensor Fusion182 topics
  2. GNSS131 topic
  3. Global Navigation Satellite Systems131 topic
  4. Inertial Navigation Systems101 topic
  5. Kalman Filtering101 topic
  6. Nonlinear Estimation81 topic
  7. Particle Filters81 topic
  8. Unmanned Aerial Vehicles41 topic
  9. Wind Estimation41 topic
  10. Environmental Observations21 topic
  11. Fault Detection21 topic
  12. GRACE21 topic
  13. Hydroinformatics21 topic
  14. Power Control21 topic
  15. Process Monitoring21 topic
  16. Sea Level Rise21 topic
  17. Wireless Networks21 topic

Where does Greg Johnson work?

Greg Johnson's main affiliation in the publication record is RTX (United States), United States.

How many publications and citations does Greg Johnson have?

OpenAlex counts 29 works and 52 citations for Greg Johnson, an h-index of 5, ranking #2,315,107 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Greg Johnson

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