Search Results - defense%2fmilitary

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  1. Fast-Tracking Phase Lock Loop (PLL) Architecture
    When transmitting and receiving electromagnetic signals, there is a need to match the frequencies and the phases of both a received signal and a locally generated signal. In terms of signal to noise ratio (SNR), the alignment of the phases gives the best results for retrieving any data that is modulated on the received signal. Better SNR yields higher...
    Published: 2/13/2025
    Inventor(s): Saeed Zeinolabedinzadeh, Matthew Kinsinger, Waleed Ahmad
    Keywords(s): Biosensor, Communications Systems, Defense/military, Electronics, High Resolution, Integrated Circuits, Internet of Things, Medical Devices and Imaging, Mobile technology, Optoelectronics, Photonic, Positioning, Navigation and Timing (PNT), Sensors, Wireless
    Category(s): Physical Science, Wireless & Networking
  2. Neural Volumetric Reconstruction for Coherent Synthetic Aperture Sonar
    Synthetic aperture sonar (SAS) is an active acoustic imaging technique that coherently combines data from a moving array to form high-resolution imagery, especially of underwater environments. The moving array in SAS collects both magnitude and phase information which allows coherent integration methods to achieve resolution parallel to the sensor...
    Published: 2/13/2025
    Inventor(s): Albert Reed, Juhyeon Kim, Thomas Blanford, Adithya Pediredla, Daniel Brown, Suren Jayasuriya
    Keywords(s): Aerospace, Algorithm Development, Defense/military, Imaging, PS-Applied Technologies
    Category(s): Applied Technologies, Computing & Information Technology, Imaging, Intelligence & Security, Physical Science
  3. Improving Angle Estimation Accuracy for Millimeter-Wave Radars
    Radar systems transmit electromagnetic waves through the air and the objects in the aperture reflect the signal. The reflected signal is captured by the radar to find the position, angle, and velocity of each object. Millimeter-wave (mmWave) radar is a subclass of radar systems that uses millimeter waves to operate. The main advantage of mmWave radars...
    Published: 2/13/2025
    Inventor(s): Sule Ozev, Ferhat Ataman, Chethan Kumar, Sandeep Rao
    Keywords(s): Aerospace, Communications Systems, Defense/military, Security, Signal Processing
    Category(s): Applied Technologies, Computing & Information Technology, Physical Science
  4. Efficient Multi-Bit Reconfigurable Reflective Surface (RRS) for mmWave and Terahertz Applications
    Background Reflective surfaces, including metasurfaces and reflectarray antennas, are comprised of several subwavelength (< λ/2) passive reflective elements and can steer the reflection of an incident electromagnetic wave in arbitrary directions. Typically, reflective surfaces use one or multiple single-pull-single-through (SPST) switches...
    Published: 2/13/2025
    Inventor(s): Georgios Trichopoulos, Panagiotis Theofanopoulos
    Keywords(s): Communications Systems, Defense/military, Imaging, Internet of Things, Mobile technology
    Category(s): Computing & Information Technology, Physical Science, Wireless & Networking, Intelligence & Security
  5. CSVideoNet: A Real-time End-to-end Learning Framework for High-frame-rate Video Compressive Sensing
    CSVideoNet: A Real-time End-to-end Learning Framework for High-frame-rate Video Compressive Sensing Background High-frame-rate cameras are capable of capturing videos at frame rates over 100 frames per second (fps). These devices were originally developed to characterize rapid events. Some high-frame-rate cameras can record high resolution still images...
    Published: 2/13/2025
    Inventor(s): Fengbo Ren, Kai Xu
    Keywords(s): Defense/military, Imaging
    Category(s): Imaging, Applied Technologies
  6. MIST: Missing Person Intelligence Synthesis Toolkit
    Missing person cases have been on the rise in the United States for the past twenty years. Currently, approximately 4,000 people go missing every day. Of those 4,000 cases, over 500 missing person cases go unsolved per day. Furthermore, many of these missing person cases are associated with human trafficking. By utilizing software tools, resources can...
    Published: 2/13/2025
    Inventor(s): Elham Shaabani, Kelly Snyder, Paulo Shakarian, Hamidreza Alvari
    Keywords(s): Defense/military, Law Enforcement, Machine Learning
    Category(s): Applied Technologies, Computing & Information Technology, Physical Science

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