Showing 221 - 240 results of 1,594 for search '"navigation"', query time: 0.05s Refine Results
  1. 221

    Comparative Hypothesis Testing of Auroral Ionospheric Layer Causing Global Navigation Satellite System Scintillation by G. Blinstrubas, A. English, D. J. Stuart, D. L. Hampton, L. Lamarche, Y. Nishimura, S. Datta‐Barua

    Published 2025-01-01
    “…Abstract As Global Navigation Satellite System electromagnetic waves pass through the ionosphere, especially in auroral zones, ionospheric irregularities cause the waves to scintillate. …”
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    An Autonomous Navigation Algorithm for High Orbit Satellite Using Star Sensor and Ultraviolet Earth Sensor by Li Baohua, Lai Wenjie, Chen Yun, Liu Zongming

    Published 2013-01-01
    “…An autonomous navigation algorithm using the sensor that integrated the star sensor (FOV1) and ultraviolet earth sensor (FOV2) is presented. …”
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    Developing and validating a HEalthCare NAvigation Competency (HECNAC) Scale for refugees in the United States. by Sarah Yeo, Inseok Lee, John Ehiri, Priscilla Magrath, Kacey Ernst, Yu Ri Kim, Halimatou Alaofè

    Published 2025-01-01
    “…Refugees often encounter additional layers of challenges to healthcare navigation due to unfamiliarity with the system, limited health literacy, and language barriers. …”
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  10. 230

    Cost-Efficient LEO Navigation Augmentation Constellation Design under a Constrained Deployment Approach by Jing Ren, Dan Sun, Deng Pan, Mingtao Li, Jianhua Zheng

    Published 2021-01-01
    “…Thus, the introduction of LEO satellite constellation as a regional navigation augmentation system for the current navigation constellations is studied in this paper. …”
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    Strong turbulent flow in the subauroral region in the Antarctic can deteriorate satellite-based navigation signals by D. S. Kotova, A. A. Sinevich, A. A. Chernyshov, D. V. Chugunin, Y. Jin, W. J. Miloch

    Published 2025-01-01
    “…We find that fluctuations inside the PJ/SAID can lead to serious deterioration of radio communication or navigational services. We emphasize the importance of considering the geometry of the beam passing from the GNSS satellite to the receiver on the ground. …”
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