Results 11 to 20 of about 925,626 (245)
Absolute optical calibration using a simple tungsten light bulb: Experiment [PDF]
, 2003 Absolute spectral intensity calibration of optical detectors has always been difficult. Up to now it was only possible through the use of expensive sources, which are cross-calibrated against national standards.
Mäkinen, S. +3 more
core +4 more sources
Vertical axis non-linearities in wavelength scanning interferometry [PDF]
, 2015 The uncertainty of measurements made on an areal surface topography instrument is directly influenced by its metrological characteristics. In this work, the vertical axis deviation from linearity of a wavelength scanning interferometer is evaluated.
Muhamedsalih, Hussam +6 more
core +3 more sources
Optical properties of apple skin and flesh in the wavelength range from 350 to 2200 nm [PDF]
, 2008 Optical measurement of fruit quality is challenging due to the presence of a skin around the fruit flesh and the multiple scattering by the structured tissues.
Thennadil, Suresh N. +4 more
core +4 more sources
Performance analysis of a 2-D time-wavelength OCDMA wavelength-aware receiver with beat noise [PDF]
, 2006 The effect of beat noise on two-dimensional time-wavelength optical code-division multiple-access systems utilising wavelength-aware receivers is examined. A derivation of a general formula for the bit error probability taking into consideration multiple
Taher Bazan +5 more
core +4 more sources
IEEE Access, 2022 Assessing the condition of a road exposed to the atmosphere is crucial for safety. A three-wavelength road-condition sensor is a noncontact sensor that can be used for qualitative recognition and quantitative measurement of road conditions.
Sen Yang
doaj +1 more source
Comparison and analysis of wavelength calibration methods for prism – Grating imaging spectrometer
Results in Physics, 2019 To identify spectral information obtained from the prism - grating imaging spectrometer, it is essential to know the center wavelength for each spectral channel.
Ci Sun +4 more
doaj +1 more source
Remote Sensing, 2023 Monitoring global greenhouse gas concentration information via satellite remote sensing has become a critical area of research to support the further understanding of global carbon emissions.
Shizhao Li +4 more
doaj +1 more source
Prediction of Feed Digestibility Using Differences in NIRS Spectra between Feeds and Feces at a Determined Region of Wavelength [PDF]
, 1998 A total of seventy-two pairs of feed and fecal samples collected from the digestion trials of dairy catlle were used in the study to predict dry matter digestibility (OMO).
Agung PURNOMOADI +9 more
core +2 more sources
Wavelength Calibration Correction Technique for Improved Emissivity Retrieval
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 Accurate retrieval of surface emissivity from long-wave infrared hyperspectral imaging data is necessary for many scientific and defense applications. Emissivity retrieval requires an atmospheric model for the scene and consists of two interwoven steps ...
Michael Pieper +5 more
doaj +1 more source
RADIOMETRIC CALIBRATION OF MULTI-WAVELENGTH AIRBORNE LASER SCANNING DATA [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 Airborne laser scanning (ALS) is a widely used technique for the sampling of the earth's surface. Nowadays a wide range of ALS sensor systems with different technical specifications can be found.
C. Briese +5 more
doaj +1 more source