Showing 1,621 - 1,640 results of 4,366 for search '"optics"', query time: 0.06s Refine Results
  1. 1621

    Wavelet Denoising of Vehicle Platform Vibration Signal Based on Threshold Neural Network by Mingzhu Li, Zhiqian Wang, Jun Luo, Yusheng Liu, Sheng Cai

    Published 2017-01-01
    “…Vehicle Platform Vibration Signal (VPVS) denoising is essential to achieve high measurement accuracy of precise optical measuring instrument (POMI). A method to denoise the VPVS is proposed based on the wavelet coefficients thresholding and threshold neural network (TNN). …”
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  2. 1622

    Inclined Aerial Image and Satellite Image Matching Based on Edge Curve Direction Angle Features by Hao Wang, Chongyang Liu, Yalin Ding, Chao Sun, Guoqin Yuan, Hongwen Zhang

    Published 2025-01-01
    “…Optical remote sensing images are easily affected by atmospheric absorption and scattering, and the low contrast and low signal-to-noise ratio (SNR) of aerial images as well as the different sensors of aerial and satellite images bring a great challenge to image matching. …”
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    Unidirectional Alleviation of the Diffraction Limit in Geometrically Anisotropic Photonics by El Badri Youssef, Mangach Hicham, Belkacem Abdelhaq, Oubeniz Hammou, Bouzid Abdenbi, Achaoui Younes

    Published 2025-01-01
    “…Rationally constructed materials have enabled access to optical capabilities beyond nature’s limitations, thanks to advances made in both theory and experiment. …”
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    Applications of ultrafast nano-spectroscopy and nano-imaging with tip-based microscopy by Zhichen Zhao, Vasily Kravtsov, Zerui Wang, Zhou Zhou, Linyuan Dou, Di Huang, Zhanshan Wang, Xinbin Cheng, Markus B. Raschke, Tao Jiang

    Published 2025-01-01
    “…Notably, the evolution of ultrafast near-field optical nano-spectroscopy and nano-imaging has unlocked the ability to image at spatial scales from nanometers to ångströms and temporal scales from nanoseconds to femtoseconds. …”
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    Dispersive Sweatt Model for Broadband Lens Design with Metasurfaces by Weiyu Chen, Ko-Han Shih, C. Kyle Renshaw

    Published 2025-01-01
    “…The Sweatt model has been extensively used to design optical systems containing diffractive optical elements (DOEs) because it captures the dispersive characteristics of DOEs. …”
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    In Vitro Aberrometric Assessment of a Multifocal Intraocular Lens and Two Extended Depth of Focus IOLs by Vicente J. Camps, Angel Tolosa, David P. Piñero, Dolores de Fez, María T. Caballero, Juan J. Miret

    Published 2017-01-01
    “…To analyze the “in vitro” aberrometric pattern of a refractive IOL and two extended depth of focus IOLs. Methods. A special optical bench with a Shack-Hartmann wavefront sensor (SH) was designed for the measurement. …”
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  16. 1636
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    Second harmonic generation from bound-state in the continuum-hosted few-layers van der Waals metasurface by Muhammad Naseer, Begum Azra, Su Zhaoxian, Huang Lingling

    Published 2025-01-01
    “…Moreover, our design is highly thin and can be used for various linear and non-linear applications in optics. This study will provide a new route to next generation post-silicon metasurfaces.…”
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