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mossback    
n. 头脑守旧的人,极端保守的人,老乌龟

头脑守旧的人,极端保守的人,老乌龟

mossback
n 1: an extremely old-fashioned conservative

Mossback \Moss"back`\, n.
A veteran partisan; one who is so conservative in opinion
that he may be likened to a stone or old tree covered with
moss. [Political Slang, U.S.]
[1913 Webster] Mossbanker


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  • Coupled Integration of CSAC, MIMU, and GNSS for Improved PNT . . . - MDPI
    Positioning, navigation, and timing (PNT) is a strategic key technology widely used in military and civilian applications Global navigation satellite systems (GNSS) are the most important PNT techniques However, the vulnerability of GNSS threatens PNT service quality, and integrations with other information are necessary A chip scale atomic clock (CSAC) provides high-precision frequency and
  • Advancing Positioning, Navigation, and Timing (PNT) Service Using . . .
    This Reprint aims to comprehensively explore the expansive and ever-evolving realm of Positioning, Navigation, and Timing (PNT) technologies, with a primary focus on those rooted in satellite navigation systems It serves as an in-depth platform for delving into a wide array of significant topics, including, but not limited to, the seamless integration of multiple PNT sources for enhanced
  • Demonstration of the Feasibility of the Korean eLoran System as a . . .
    With the increasing utilization of location information, attempts to improve the safety of absolute positioning coordinates, which have depended on global navigation satellite systems (GNSSs), such as the Global Positioning System (GPS), are underway Among these, enhanced long range navigation (eLoran) is the most technically developed system In Korea, related technologies have been
  • High-Precision and High-Reliability Positioning, Navigation, and Timing . . .
    The research scope of the papers published in this Special Issue mainly focuses on high-precision and high-reliability positioning, navigation, and timing (PNT) with Global Navigation Satellite System (GNSS) or multi-source sensors, resilient PNT with GNSSs or multi-source sensors in challenging environments, integrated PNT with GNSSs and multi-sensor systems, applications of PNT with GNSSs or
  • Advancing Positioning, Navigation, and Timing (PNT) Service Using . . .
    PNT has permeated every aspect of our lives, from daily commuting to national security, and from scientific research to engineering applications, underscoring its indispensable status and role With the increasing complexity of spatiotemporal measurement methods, PNT technology has gradually demonstrated a trend of multidisciplinary integration
  • AI-PNT: Artificial Intelligence Applications in Position, Navigation . . .
    AI-PNT: Artificial Intelligence Applications in Position, Navigation and Timing Special Issue Editors Special Issue Information Keywords Benefits of Publishing in a Special Issue Published Papers A special issue of Applied Sciences (ISSN 2076-3417) This special issue belongs to the section "Computing and Artificial Intelligence"
  • T-RAIM for Precise Orbit Determination in LEO-PNT - MDPI
    The rapid development of Low Earth Orbit Position, Navigation, and Timing (LEO-PNT) constellations presents opportunities to augment Global Navigation Satellite Systems (GNSSs) with additional signals from Low Earth Orbit (LEO) satellites, thereby improving performance and reliability for users This research study addresses the challenges posed by the interdependency between LEO and GNSS
  • Evaluating Optical Clock Performance for GNSS Positioning - MDPI
    Atomic clocks are highly precise timing devices used in numerous Positioning, Navigation, and Timing (PNT) applications on the ground and in outer space In recent years, however, more precise timing solutions based on optical technology have been introduced as current technology capabilities advance State-of-the-art optical clocks—predicted to be the next level of their predecessor atomic
  • Assessment of Android Network Positioning as an Alternate Source for . . .
    Unlike GNSS-based positioning, the NLP should be able to compute positions even when the device is indoors or experiencing GNSS radio frequency interference (RFI), making it an enticing candidate for ensuring robust PNT solutions However, the inner workings of NLP are largely undisclosed, remaining as a ‘black-box’ system
  • Delay–Doppler Block Division Multiplexing: An Integrated . . . - MDPI
    The recent rapid deployment of low-Earth-orbit (LEO) broadband constellations has positioned these systems as expected emerging navigation sources, thereby driving research interest in integrated navigation and communication (INAC) technologies Existing INAC waveforms face various challenges in LEO environments, including limited ranging accuracy due to high mutual interference (MI) between





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