Ari S. Email and Phone Number
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.
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System EngineerRaytheon Intelligence & SpaceLos Angeles, Ca, Us -
System EngineerRaytheon Intelligence & Space Jun 2020 - PresentEl Segundo, California, United StatesAlgorithm 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 -
Electronics EngineerNorthrop Grumman Corporation Jan 2015 - May 2020Redondo Beach, CaDigital 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 -
ResearcherVa Long Beach Healthcare System Nov 2012 - Oct 2015Long Beach, CaliforniaClinical 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.
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Systems EngineerItt-Geospatial Division Nov 2006 - May 2010Clifton, NjSystems 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
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Systems EngineerLincom Aug 2000 - Jan 2001Los Angeles, CaSystems 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
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InternMaxtek Jul 1997 - Sep 1997Torrance, CaDeveloped an algorithm in Visual Basic to automate a network analyzer to test quartz crystals. The results characterized their equivalent circuit.
Ari S. Education Details
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University Of California, Los Angeles & University Of Southern CaliforniaMathematics, Computer Science, Robotics -
Electrical Engineering -
Electrical Engineering
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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