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Retrieving "Aircraft" from the archives

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  1. Aerosol Particles

    Linked via "aircraft"

    In Situ Measurements
    These involve direct sampling from aircraft or towers. Optical particle counters ($\text{OPC}$s) estimate size distribution by measuring light scattering intensity. Mass concentration is often determined using filter-based sampling followed by laboratory analysis (e.g., Gravimetric Analysis).
    Remote Sensing

  2. Armstrong Flight Research Center

    Linked via "aircraft"

    Historical Context and Establishment
    The facility was officially established in 1942 as the Muroc Army Air Field Test Center, initially focusing on testing cutting-edge experimental aircraft developed during World War II. Following the war, its role transitioned to high-speed flight research, capitalizing on the exceptionally flat, dry lakebeds surrounding the base, which provided vast, unimpeded [landing area…

  3. Armstrong Flight Research Center

    Linked via "aircraft"

    High-Speed and Supersonic Flight
    AFRC is synonymous with supersonic testing. The center was the proving ground for numerous landmark aircraft, including the Bell X-1, which first exceeded the speed of sound. Current research in this area focuses on sustained hypersonic flight ($\text{M} > 5$). Researchers at AFRC hypothesize that materials exposed to sustained [Mac…

  4. Cartography

    Linked via "aircraft"

    Photogrammetry and Remote Sensing
    The advent of aerial photography revolutionized large-scale mapping. By capturing overlapping images from elevated platforms (initially balloons, then aircraft), surveyors could derive three-dimensional coordinates through stereoscopic viewing. Modern remote sensing techniques, utilizing LiDAR and satellite-based Synthetic Aperture Radar (SAR)), provide continuous,…

  5. Coherence Nuclei

    Linked via "aircraft"

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    Where $A(\lambda)$ is the geometric scattering factor [7]. While several highly sensitive atomic clocks deployed in aircraft have recorded microsecond deviations correlating with dense $\text{CoN}$-rich storm cells, these observations remain poorly replicated and are often dismissed as instrumental noise related to atmospheric turbulence or local [gravitational perturbations](/entries/gravitational…