Pre-launch characterization and calibration of the thermal emissive spectral bands on the Joint Polar Satellite System (JPSS-1) Visible Infrared Imaging Radiometer Suite (VIIRS) is critical to ensure high quality data products for environmental and climate data records post-launch. A comprehensive test program was conducted at the Raytheon El Segundo facility in 2013–2014, including extensive e...

We apply speciication and veriication techniques based on the timed I/O automaton model of Lynch and Vaandrager to a case study in the area of automated transit. The case study models and veriies selected safety properties for automated Personal Rapid Transit (PRT) systems such as PRT 2000 TM , a system currently being developed at Raytheon. Due to their safety critical nature, PRT 2000 TM and ...

During the investigation of the Krebs cycle in Azotobacter agile, strain 4.4 (Repaske and Wilson, 1953), it was found that whole cells normally required 20 minutes before adaptation to succinate, but succinoxidase activity could be demonstrated in cell-free extracts made from unadapted cells. If extracts prepared in a 10 kc Raytheon sonic oscillator were centrifuged at 145,000 G for 30 minutes,...

Nova’s development of the “Modular Infrared Imaging Applications Development System” (MIRIADS) produced a longwave infrared (LWIR) camera system that operated the “Adaptive Infrared Sensor” (AIRS) focal plane device produced by the Raytheon Infrared Operations (RIO) organization. A novel system architecture permitted the integration of an infrared fisheye lens system produced by Optics 1, Inc.,...

This project will focus on the application of the hybrid lidar-radar approach to a LLS sensor. Both laboratory tank experiments and in-situ pier experiments will be conducted to test a modulated LLS sensor which has similar characteristics to an existing LLS system, the Coastal Systems Station (CSS, Panama City)/Raytheon LLS. The new system will be compared to its unmodulated counterpart in ter...

Cleanroom usage-based statistical testing techniques have been incorporated into the software development process for a program in the Electronic Systems business of Raytheon Company. Cost-effectively improving the quality of software delivered into systems integration was a driving criterion for the program. Usage-based statistical testing provided the capability to increase the number of test...

Young's modulus and residual stress state of freestanding thin membranes are characterized in this work by means of wafer level experimental techniques. RF MEMS Switches manufactured by Raytheon Systems Co. are investigated using a new method that combines a Membrane Deflection Experiment (MDE) and numerical simulations. It is found that the thin aluminum alloy membranes used in the RF MEMS dev...

A flight test is described in which an active structural/acoustic control system reduces turboprop induced interior noise on a Raytheon Aircraft Company 1900D airliner. Control inputs to 21 inertial force actuators were computed adaptively using a transform domain version of the multichannel filtered-X LMS algorithm to minimize the mean square response of 32 microphones. A combinatorial search ...

As part of DARPA’s $150M Rapid Prototyping of Application Specific Signal Processors (RASSP) program, the RASSP Education & Facilitation (RASSP E&F) team consisting of SCRA, Georgia Institute of Technology, University of Virginia, University of Cincinnati, Raytheon, and Arthur D. Little has developed a new digital system design curriculum and supporting course infrastructure in the form of an e...