Ari S.

Ari S. Email and Phone Number

System Engineer @ Raytheon Intelligence & Space
Los Angeles, CA, US
Ari S.'s Location
Los Angeles Metropolitan Area, United States
About Ari S.

Systems engineering, algorithm development and testing, and mathematics for communication systems, the Global Positioning System (GPS), a Network Analyzer to test Quartz Crystals, orbitdetermination, spread spectrum communications, radar tracking. Wrote technical reports and instructed others on the implementation of these algorithms and their theory. Additionally, searched ways to increase efficiency, predicted and resolved GPS clock drift, tested GPS boards, and solved problems in new ways.

Ari S.'s Current Company Details
Raytheon Intelligence & Space

Raytheon Intelligence & Space

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System Engineer
Los Angeles, CA, US
Ari S. Work Experience Details
  • Raytheon Intelligence & Space
    System Engineer
    Raytheon Intelligence & Space
    Los Angeles, Ca, Us
  • Raytheon Intelligence & Space
    System Engineer
    Raytheon Intelligence & Space Jun 2020 - Present
    El Segundo, California, United States
    Algorithm Development in C++ and MATLAB for navigation systems and radar tracking.Reports and presentations to explain theory and performance.Navigation:• Data evaluation• MATLAB scripts for data analysis of simulation results• Found anomaly causing errors in legacy program Radar Tracking• Algorithm Development• Mathematics• File Formatting of Data
  • Northrop Grumman Corporation
    Electronics Engineer
    Northrop Grumman Corporation Jan 2015 - May 2020
    Redondo Beach, Ca
    Digital Products:• Packet switch algorithm development and simulation for ASICs• Systems Engineering• BCH (Berlekamp-Massey and Burton) decoding algorithmsF-35:• Developed MATLAB scripts to analyze GPS Data & discovered anomalies• Procurement management: presentations, customer and supplier meetings, technical evaluations, requirements analysis, technical writing• Monitored reliability & GPS Receiver improvements: uncovered trends
  • Va Long Beach Healthcare System
    Researcher
    Va Long Beach Healthcare System Nov 2012 - Oct 2015
    Long Beach, California
    Clinical research of patients to determine their comorbidities as it affects chronic wound healing. In conjunction with the clinical analysis of the patients’ wounds and mental and social health, the medical history of each patient was evaluated. The scores of 10 categories of medical conditions along with the patients’ wound characteristics were included in an ongoing study. The ultimate outcome of the study is to determine the factors that most affect wounds in order to predict their healing.
  • Itt-Geospatial Division
    Systems Engineer
    Itt-Geospatial Division Nov 2006 - May 2010
    Clifton, Nj
    Systems engineering, modeling, simulation, algorithms, and mathematics for GPS including allsegments - satellites, spaceborne receivers, and ground stations. Instructed the softwareengineers and wrote technical reports on the algorithms and mathematics. Tested GPSreceivers and resolved GPS clock drift.● Invented a bit synchronization algorithm that aligns the bit to its corresponding chippingsequence - on par with the Viterbi algorithm, but 10 times simpler computationally● Calculated the GPS orbits in Earth-Centered, Earth-Fixed coordinates from ephemerisparameters● Developed a Kalman Filter - improved the PVT (position, velocity, clock bias) of the GPSreceiver 10-fold● Designed Runge-Kutta & Runge-Kutta-Fehlberg orbit propagators - numerical methods tosolve the differential equation describing the satellite orbits● Solved the GPS equations via Bancroft’s way and derived the Doppler velocity solution● Designed Viterbi decoders to ascertain the efficacy of communications between the differentgenerations of GPS satellites● Solved anomalies from our ITT Division in California and was sent there to consult anddecided to design an algorithm for their GPS receivers
  • Lincom
    Systems Engineer
    Lincom Aug 2000 - Jan 2001
    Los Angeles, Ca
    Systems engineering for communications systems that included algorithm development, simulation, testing, and presentations. Worked with the hardware engineers to implement the algorithms and explained them in technical reports.● Turbo Codes, forward error correction decoders, Monte-Carlo simulations, parallel processing● Designed an S-Random interleaver that reduced the bit error rate 100-fold ● Presented results and then the Air Force granted the contract; documented the program
  • Maxtek
    Intern
    Maxtek Jul 1997 - Sep 1997
    Torrance, Ca
    Developed an algorithm in Visual Basic to automate a network analyzer to test quartz crystals. The results characterized their equivalent circuit.

Ari S. Education Details

Frequently Asked Questions about Ari S.

What company does Ari S. work for?

Ari S. works for Raytheon Intelligence & Space

What is Ari S.'s role at the current company?

Ari S.'s current role is System Engineer.

What schools did Ari S. attend?

Ari S. attended University Of California, Los Angeles & University Of Southern California, University Of California, Los Angeles, University Of California, Los Angeles.

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