1–20 von 21 Ergebnissen
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    DEEP-SPACE OPTICAL COMMUNICATIONS POINTING CONTROL DESIGN

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    This paper provides an overview of pointing control design for NASA’s Deep Space Optical Communications (DSOC

     ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    ROBUST CISLUNAR TRAJECTORY OPTIMIZATION VIA MIDCOURSE CORRECTION AND OPTICAL NAVIGATION SCHEDULING

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    flight with the goal of injecting into a Near-Rectilinear Halo Orbit for rendezvous with a target vehicle. Two complementary optimization ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    OPTICAL NAVIGATION ATTITUDE ESTIMATION AND CALIBRATION PERFORMANCE IMPROVEMENT USING OUTLIER REJECTION

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    Spacecraft optical navigation (OpNav) systems process a sequence of images with celestial bodies against a star

     ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    OPTICAL ONLY CO-ESTIMATION AND MANEUVER CLASSIFICATION IN THE CISLUNAR REGIME

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    -based navigation and observation capabilities which lend themselves to autonomy. This paper demonstrates that relative optical measurements ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    VISUAL ODOMETRY FOR PRECISION LUNAR LANDING

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    array of sensors that includes an inertial measurement unit (IMU), optical camera (OpCam), and a laser range finder sensor (LRFS) as well a ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    TERMINAL TRACKING FOR THE LUCY TROJAN ASTEROID MISSION

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    from earth for the encounters, the high relative velocities and sun incidence angles on approach, and the limited number of Earth observations ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    TOWARDS ARAMIS VISION-BASED SMART SENSOR FOR UNCOOPERATIVE RENDEZVOUS

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    Rendezvous sensors have been widely used in the frame of Human exploration, mainly for docking purpose. LIDAR and

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    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    LOW-THRUST TRAJECTORY OPTIMIZATION FOR THE SOLAR SYSTEM PONY EXPRESS

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    We present a method for designing and optimizing Earth-Mars cycler orbits for the Solar System Pony Express (SSPE

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    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    CRATER NAVIGATION AND TIMING FOR AUTONOMOUS LUNAR ORBITAL OPERATIONS IN SMALL SATELLITES

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    CNT approach requires three algorithms running on-board the spacecraft: detection of craters in an optical image, identification of those ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    Practical Applications for UAS Designed to Assist Climatologists in Studying Toxic Gas Emissions Relative to Climate Change

    Godfrey, Ian / Brenes, José Pablo Sibaja | Springer Verlag | 2023
    such as spectrometers which can be used for Differential Optical Absorbance Spectroscopy (DOAS) or thermal cameras designed to detect thermal ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    TESS Lens-Bezel Assembly Modal Testing

    Dilworth, Brandon J. / Karlicek, Alexandra | Springer Verlag | 2017
    Abstract The Transiting Exoplanet Survey Satellite (TESS) program, led by the Kavli Institute for ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering , Engineering Acoustics

    Localizing Perturbed Objects in a Room with Reflective Boundaries Using Dispersed Acoustic Measurements

    Gassen, Michael J. / Marts, Ian C. / Roberts, Mitchell J. et al. | Springer Verlag | 2021
    multiple scattering medium. One of the most popular methods for perturbation localization is time-reversal, which is the process of using sensors ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    CENTROIDING PRECISION OF RESOLVED BLURRED TARGET IMAGES

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    Regarding the detection and measurement of resolved significantly blurred targets on an optical sensor’s Focal

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    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    DESIGN OF THE ON-BOARD IMAGE PROCESSING OF THE MILANI MISSION

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    both scientific and technological: to study and characterize the asteroid environment, and to demonstrate the use of CubeSat technologies for ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    AUTONOMOUS NAVIGATION AND DENSE SHAPE RECONSTRUCTION USING STEREOPHOTOGRAMMETRY AT SMALL CELESTIAL BODIES

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    challenging. While surface landmarks and related optical measurements are key to enhance navigational performance in such an environment, processing ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    TINYV3RSE: THE DART VISION-BASED NAVIGATION TEST BENCH

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    Image processing and vision-based navigation algorithms require images for design, testing, and validation. For

     ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    RELATIVE NAVIGATION USING ARTIFICIAL MAGNETIC FIELDS

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024

    We show that magnetometer sensing of artificially generated magnetic fields may be used for relative navigation

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    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    ATTITUDE DETERMINATION VIA EARTH SURFACE FEATURE TRACKING GIVEN PRECISE ORBIT KNOWLEDGE

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    imaging system, it is ideal to find a use for these optical systems for precision attitude determination. While star tracking may seem like the ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    ASTRO APS3 AND ASTRO CL - NEXT POWERFUL GENERATION OF COMPACT STAR TRACKERS

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    status at mid mission geo-lifetime for this on-market state-ofthe-art star tracker product. Meanwhile, the development of the next generation of ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering

    RVS®3000-3D LIDAR – 3D IMAGING AND POSE ESTIMATION DURING FIRST GEO SATELLITE SERVICING

    Sandnas, Matt / Spencer, David B. | Springer Verlag | 2024
    with six optical heads and two star sensors as part of a set of vision system to guide the automated docking. The 3D LIDAR, RVS®3000-3D ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Engineering