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Showing 1-20 of 457 results
  1. Suitability of commercially available array spectroradiometer for sphere spectroradiometric applications

    Sphere spectroradiometer is an important system for the measurements of total luminous flux, total spectral radiant flux (TSRF), correlated color...

    Vijeta, Naval Manchalwar, ... Parag Sharma in Journal of Optics
    Article 20 July 2023
  2. Calibration method of spectroradiometer based on direct solar irradiance

    The scattering channel of a spectroradiometer, as a commonly used optical parameter measuring device, can measure irradiance in all directions of the...

    **aoxiao Tang, Jianyu Li, ... Heli Wei in Journal of Optics
    Article 27 September 2023
  3. Characterization of the angular response of a multi-directional spectroradiometer for measuring spectral radiance

    Despite its importance, few instruments are able to measure the angular distribution of the solar spectrum with a high spectral and temporal...

    Mario Tobar Foster, Eduardo Luiz Weide, ... Gunther Seckmeyer in EPJ Techniques and Instrumentation
    Article Open access 28 July 2021
  4. A 5-mm Wavelength-Range Spectroradiometer for Studying the Atmosphere and Underlying Surface

    Abstract

    The results of the development of a mobile solid-state microwave spectroradiometer that operates in the 5-mm absorption band of molecular...

    A. A. Shvetsov, M. V. Belikovich, ... I. V. Petrov in Instruments and Experimental Techniques
    Article 02 November 2020
  5. Simultaneous remote sensing of multiple atmospheric gases (CO2, CH4, and H2O) based on an all-fiber laser heterodyne spectroradiometer

    We report an all-fiber, near-infrared laser heterodyne radiometer (LHR) that uses two distributed feedback (DFB) diode lasers as local oscillators....

    Gaoxuan Wang, Yuqi Zhu, ... Sailing He in Applied Physics B
    Article 16 July 2023
  6. Traceability of Total Spectral Radiant Flux (TSRF) Scale Using Spectral Irradiance and Total Luminous Flux Scale at CSIR-NPL, India

    In the modern era of LED lighting, spectral radiant flux standards are in high demand from lighting manufacturers to testing laboratories. In the...

    Vijeta, Naval Manchalwar, ... Parag Sharma in MAPAN
    Article 23 May 2023
  7. Cloud-Base Height Retrieval from MODIS Satellite Data Based on Self-Organizing Neural Networks

    Abstract

    An algorithm for retrieval of cloud-base height (CBH) from passive remote sensing data based on artificial intelligence methods is...

    A. V. Skorokhodov, K. N. Pustovalov, ... V. G. Astafurov in Atmospheric and Oceanic Optics
    Article 01 December 2023
  8. Sphere-Spectroradiometry: Spectral Flux Evaluation

    In spectroradiometer-sphere, total spectral radiant flux (Φe(λ)) of standard source is used to derive different photometric and colorimetric...
    Parag Sharma, V. K. Jaiswal, ... Ranjana Mehrotra in ICOL-2019
    Conference paper 2021
  9. Estimation of the Soluble Salt Concentration in Murals Based on Spectral Transformation and Feature Extraction Modelling

    Affected by temperature and humidity in the environment, salt crystals expand and accumulate on the surface of murals, causing the pigment layer to...

    Z. Q. Guo, S. Q. Lyu, M. L. Hou in Journal of Applied Spectroscopy
    Article 25 November 2023
  10. A Neural Network Model for Estimating Carbon Fluxes in Forest Ecosystems from Remote Sensing Data

    Abstract

    Forests are among the main places on Earth where carbon is collected and accumulated. However, instrumental assessment of carbon fluxes is...

    A. P. Rozanov, K. G. Gribanov in Atmospheric and Oceanic Optics
    Article 17 August 2023
  11. Statistical Analysis for Parameters of Specularly Reflective Layers in High-Level Clouds over Western Siberia Based on MODIS Data

    Abstract

    The results of applying the algorithm for detecting specularly reflective layers in high-level clouds based on passive satellite data are...

    A. V. Skorokhodov, A. V. Konoshonkin in Atmospheric and Oceanic Optics
    Article 01 December 2022
  12. Spectral Calibration of VNIR Hyperspectral Imager

    Hyperspectral imaging sensors generates images of a scene in contiguous spectral bands. This additional spectral information along with reflectance...
    Maneesh Pawar, Kanchan Chandra, ... A. K. Sahay in ICOL-2019
    Conference paper 2021
  13. Analysis of Hydrological Changes in Mineral Lakes in Northern Eurasia Based on SMOS Satellite Data

    Abstract

    The climatic changes taking place in Northern Eurasia, which have become especially aggravated in the past few decades, in combination with...

    A. N. Romanov, I. V. Khvostov, ... D. A. Romanov in Cosmic Research
    Article 01 December 2023
  14. Variation of aerosol parameters (AI, AOD) and SO2 over Indo-Gangetic basin during COVID-19 outbreaks

    To stop the spread of COVID-19 infections, idea of complete and partial lockdowns was implemented in several countries. In the present work,...

    Akhilesh Kumar, Vineet Pratap, ... A. K. Singh in Indian Journal of Physics
    Article 29 June 2023
  15. Standard Lamp

    Reference work entry 2023
  16. Goniophotometer

    Reference work entry 2023
  17. Measurement method for an assessment of blue light retinal risk due to monitors light emissions in a healthcare work environment

    Short wavelength light emissions from digital devices have been the subject of various investigations in recent years, in relation to the possible...

    Alice Cimino, Riccardo Di Liberto in The European Physical Journal Plus
    Article 18 December 2023
  18. Integrating Sphere

    Reference work entry 2023
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