Showing 1,761 - 1,780 results of 4,366 for search '"optics"', query time: 0.06s Refine Results
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    Simplified Target Strength Analysis Procedure of an Underwater Vehicle Considering Target Strength Absorbing Materials by Jangwoo Kim, Jaeman Kim, Joo-Yeob Lee, Dae-Seung Cho, Sung-Ju Park, Kyungjun Song, Yun-ho Shin, Kookhyun Kim

    Published 2025-01-01
    “…In addition, a simplified TS analysis procedure considering the echo reduction (ER) and transmission loss (TL) is proposed based on the combining method of physical optics and geometric optics (PO/GO combined method) and equivalent material properties. …”
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    Article
  7. 1767

    Enhancing efficiency in double perovskite solar cells through bandgap reduction via organic polymer doping by Ihtisham-ul-Haq, M.I. Khan, Ali Mujtaba, Asad Ullah, Badriah Ali, Muhammad Atif, M.S. Hasan

    Published 2025-01-01
    “…The X-ray diffraction (XRD) analysis showed the effective doping of PPy, which resulted in larger grain sizes (34 nm) and enhanced crystallinity. Optical analysis revealed the absorption in the visible region and bandgap energy (Eg) is reduced from 1.89 eV to 1.85 eV with PPy doping. …”
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    Cascaded metalenses boost applications in near-eye display by Jiacheng Sun, Tao Li

    Published 2025-01-01
    “…By leveraging the human pupil as an aperture and taking into account practical factors such as eye relief, pupil size, and display dimensions, this approach suggests a bright future for the incorporation of meta-optics in cutting-edge near-eye display technologies.…”
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    Fractional Mixed Weighted Convolution and Its Application in Convolution Integral Equations by Rongbo Wang, Qiang Feng

    Published 2024-01-01
    “…The convolution integral equations are very important in optics and signal processing domain. In this paper, fractional mixed-weighted convolution is defined based on the fractional cosine transform; the corresponding convolution theorem is achieved. …”
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    The manual of photography /

    Published 2009
    Table of Contents: “…Introduction to the imaging process -- Light theory -- Photographic light sources -- The human visual system -- Introduction to colour science -- Photographic and geometrical optics -- Images and image formation -- Sensitometry -- Image sensors -- Camera lenses -- Photographic camera systems -- Exposure and image control -- Image formation and the photographic process -- Digital cameras and scanners -- Displays -- Digital printing and materials -- Digital image file formats -- Image storage media and archiving -- Introduction to image quality and system performance -- Speed and sensitivity -- Tone reproduction -- Photographic colour reproduction -- Digital colour reproduction -- Noise, sharpness, resolution and information -- Digital image workflow -- Colour management systems -- Spatial image processing -- Digital image processing in the frequency domain -- Image compression.…”
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  16. 1776

    Computation of New Degree-Based Topological Indices of Graphene by V. S. Shigehalli, Rachanna Kanabur

    Published 2016-01-01
    “…Graphene is one of the most promising nanomaterials because of its unique combination of superb properties, which opens a way for its exploitation in a wide spectrum of applications ranging from electronics to optics, sensors, and biodevices. Inspired by recent work on Graphene of computing topological indices, here we propose new topological indices, namely, Arithmetic-Geometric index (AG1 index), SK index, SK1 index, and SK2 index of a molecular graph G and obtain the explicit formulae of these indices for Graphene.…”
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  17. 1777

    Gravitational Wave and Quantum Graviton Interferometer Arm Detection of Gravitons by John W. Moffat

    Published 2025-01-01
    “…We demonstrate that a graviton scattering and quantum optics model succeeds in explaining the observed arm displacements, while the classical gravitational wave approach and a quantum graviton energy method also successfully predict the correct results. …”
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  18. 1778

    Parallel features of the activities of mathematics professors in Gdansk, Vilnius and Kenigsberg in the middle of the XVIIth century by Evaldas Gečiauskas

    Published 2003-12-01
    “…Professor Oswald Kffiger of Vilnius university additionally delivered lectures on optics, me­chanics and fortification. He published various matheseos investigations. …”
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