Mercer Engineering Research Center (MERC)

Embedded Systems Division Low Power Detection

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© 1987-2012 Mercer Engineering Research Center 135 Osigian Blvd. • Warner Robins, GA 31088info@merc-mercer.org • www.merc-mercer.org • 478.953.6800Sample project below - select a project link to view additional informationNEWSTARS (New Electronic Warfare Specialists Through Advanced Research by Students)Advanced Signal Analysis for USAF Missile Warning Receiver Systems HPI System Analysis Model/ADF System Analysis Model F-15 Tactical Electronic Warfare Suite Engineering Support ALR-69(A) Engineering SupportFeatured Projects •Passive Geolocation Technology•RAD (Random Agile Deinterleaver) •Flight Test Planning and Support Logistics •Electronic Warfare Simulation•Artificial Intelligence (AI)•Analysis Tools – for example FFT, PSD, PCA, SVDAreas of Expertise•Systems Engineering, Analysis and Design•Software Engineering and Management Processes•Web-based Applications•Database Design and Development•Software Design and Development•System Testing and Support Tools•Advanced Algorithm Development•Simulation and Modeling•Technology Insertion•Embedded Systems Development and Maintenance•Electronic Threat Analysis•Electromagnetic Signals AnalysisESD engineers and scientists possess expert skills and a wealth of experience in developing new technologies and new approaches and then employing a vast array of software technologies, including embedded systems, assembly-level programming, higher-order languages, object-oriented design and development, database technologies and web-based applications, to provide the right solution.Key solutions have been provided in such diverse areas as Electronic Warfare systems, commercial aircraft test stations, radar environment simulations, and medical rehabilitation systems. ESD software engineers also provide software design and programming for projects led by other MERC divisions.The ESD strives to produce innovative, cost-effective solutions to real world computer and electronic systems problems. The ESD employs a detailed system analysis approach to determine the best solution and then provides that solution in the most timely and cost-effective manner. The Embedded Systems Division (ESD) is responsible for systems engineering, software development, technology insertion, and software maintenance and support for electronic and computer-based systems. The ESD leverages the skills of electrical engineers, computer scientists, mathematicians, and applied scientists to develop state-of-the-art electronic systems, apply new technologies to existing systems, and develop testing and support tools, models and simulations to support those systems.

The HPI System Analysis Model (HSAM) program leveraged the design of a previous system analysis model produced by MERC for testing an advanced pulse-deinterleaving algorithm. The HSAM system uses threat data tables from the AN/WLR-8 High Probability of Intercept (HPI) Electronic Surveillance system as input to a threat environment generator. The threat environment generation data contains the unique scan, pulse, RF, and radiation characteristics of each threat mode in the database for operation by the environment generator. The environment generator is driven by a scenario definition, in which the relative positions of the threats to the simulated platform, the predefined or randomly generated platform path and electronic order of battle are used to generate raw simulated RF data outputs to the receiver model kernel of the HSAM. The receiver model kernel operates on the raw data input from the environment generator. It provides a realistic set of receiver outputs to pulse descriptor word data files, which are formatted according to receiver look schedule data to provide collection buffers for execution either by the emulation processor. The receiver model kernel simulates the actual operation of the receiving, conversion, detection and preprocessing on the raw input data. These operations modify the data output for receiver anomalies such as spurious signals, images at band crossovers, transfer function inaccuracies, density driven pulse corruption levels as a function of bandwidth and recovery time of video amplifiers and detectors, system threshold impacts on timing accuracy and measurement, preprocessing and system shadow time effects on pulse buffer data.The emulation processor consists of the actual signal processor software from the WLR-8 rehosted to operate under the Linux environment. This signal processor is then connected to the actual control display processor for the system and provides actual expected system response to the input threat data. This tool is used for threat data file validation and for operator training when using a MERC-developed audio signal generator and pulse depiction utility that integrates with HSAM.

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