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Resolving power of a spectrograph
The spectral resolution of a spectrograph, or, more generally, of a frequency spectrum, is a measure of its ability to resolve features in the electromagnetic
Spectral_resolution
Measure of how fine an image is
the hardware capturing and displaying the images. Spectral resolution is the ability to resolve spectral features and bands into their separate components
Image_resolution
Branch of spectroscopy and of photography
complete spectrum. In other words, the camera has a high spectral resolution. The phrase "spectral imaging" is sometimes used as a shorthand way of referring
Spectral_imaging
American network of Earth-observing satellites for international research purposes
Landsat 7 data has eight spectral bands with spatial resolutions ranging from 15 to 60 m (49 to 197 ft); the temporal resolution is 16 days. Landsat images
Landsat_program
Spectroscopic technique
regarding chemical and material processes when achieving sufficient spectral resolution. Beyond the obvious consideration of a sufficiently short pulse
Time-resolved_spectroscopy
neighboring points. This implicitness enables them to achieve spectral-like resolution and higher-order accuracy with fewer grid points. The valuation
Compact_finite_difference
Feature observed in spectroscopy
Spectral line shape or spectral line profile describes the form of an electromagnetic spectrum in the vicinity of a spectral line – a region of stronger
Spectral_line_shape
Capturing image data across multiple electromagnetic spectrum ranges
multispectral image. Spectral imaging with a higher radiometric resolution (involving hundreds or thousands of bands), finer spectral resolution (involving smaller
Multispectral_imaging
Technique to analyze the infrared spectrum of matter
gaseous material. An FTIR spectrometer collects high-resolution spectral data over a wide spectral range, from the near- to far-IR region. This confers
Fourier-transform infrared spectroscopy
Fourier-transform_infrared_spectroscopy
MODTRAN6, provides a spectral resolution of 0.2 cm−1 using its 0.1 cm−1 band model algorithm. Some aspects of MODTRAN are patented by Spectral Sciences, Inc
MODTRAN
Multi-wavelength imaging method
spectra have fine wavelength resolution and cover a wide range of wavelengths. Hyperspectral imaging measures continuous spectral bands, as opposed to multiband
Hyperspectral_imaging
Spectral density estimation method
Maximum entropy spectral estimation is a method of spectral density estimation. The goal is to improve the spectral quality based on the principle of
Maximum entropy spectral estimation
Maximum_entropy_spectral_estimation
Topics referred to by the same term
power may refer to: Angular resolution Spectral resolution Optical resolution Resolution (mass spectrometry) Resolution (disambiguation) This disambiguation
Resolving_power
Spectroscopic technique based on change of nuclear spin state
as the power of 3/2 with the magnetic field strength) and the spectral resolution. Commercial NMR spectrometers employing liquid helium cooled superconducting
Nuclear_magnetic_resonance
NASA asteroid sample return mission (2016-2023)
provides full-disc asteroid spectral data at 20 m resolution. It maps blue to near-infrared, 400–4300 nm, with a spectral resolution of 7.5–22 nm. This data
OSIRIS-REx
Study of underwater depth of lake or ocean floors
allow for a larger spectral coverage, which is crucial in the visual detection of marine features and general spectral resolution of the images acquired
Bathymetry
possess only a few spectral bands for measurements, they enable the extraction of spectral properties in sufficiently high spectral resolutions, allowing for
Spectroradiometry for Earth and planetary remote sensing
Spectroradiometry_for_Earth_and_planetary_remote_sensing
Russian Earth observation satellite
Center for Earth Operative Monitoring. The satellite was designed for multi-spectral remote sensing of the Earth's surface aimed at acquiring high-quality visible
Resurs-DK_No.1
Proposed space mission
exoplanet atmospheres. Simulations have been conducted to determine the spectral resolution, wavelength coverage, and sensitivity requirements for informative
Large Interferometer For Exoplanets
Large_Interferometer_For_Exoplanets
Obtaining information through non-contact sensors
a spectral resolution of 0.7 to 2.1 μm. The Hyperion sensor on Earth Observing-1 resolves 220 bands from 0.4 to 2.5 μm, with a spectral resolution of
Remote_sensing
C.; Chelli, A.; Petrov, R.; Robbe-Dubois, S. (July 2013). "High spectral resolution imaging of the dynamical atmosphere of the red supergiant Antares
List_of_largest_stars
Chemical analysis technique
crystals to separate its raw data into spectral components (wavelengths). WDS has a much finer spectral resolution than EDS. WDS also avoids the problems
Energy-dispersive X-ray spectroscopy
Energy-dispersive_X-ray_spectroscopy
Spectrograph on the James Webb Space Telescope
to 100 objects like stars or galaxies with low, medium and high spectral resolutions. The observations are performed in a 3 arcmin × 3 arcmin field of
NIRSpec
Telescope in the Atacama Desert, Chile
cameras and spectrographs, as well as high-resolution and multi-object spectrographs and covers a broad spectral region, from deep ultraviolet (300 nm) to
Very_Large_Telescope
Technique to study materials that have unpaired electrons
can reliably generate fields up to about 1 tesla. However, the low spectral resolution over g-factor at these wavebands limits the study of paramagnetic
Electron paramagnetic resonance
Electron_paramagnetic_resonance
ESA Earth observation satellite (2002–2012)
the stratosphere. The instrument functions with high spectral resolution in an extended spectral band, which allows coverage across the Earth in all seasons
Envisat
Type of color vision with four types of cone cells
humans (humans cannot see ultraviolet light, 300–400 nm), while the spectral resolution (the "sensitivity" to nuances) is similar. Some birds such as corvids
Tetrachromacy
Combining multiple images to create one
complementary spatial and spectral resolution characteristics. However, the standard image fusion techniques can distort the spectral information of the multispectral
Image_fusion
Brightest star in the constellation Orion
; Farrington, C.; Goldfinger, P. J. (2010). "Time, spatial, and spectral resolution of the Hα line-formation region of Deneb and Rigel with the VEGA/CHARA
Rigel
Topics referred to by the same term
dots per inch) Sensor resolution, the smallest change a sensor can detect in the quantity that it is measuring Spectral resolution, the capability of an
Resolution
Technical branch of intelligence gathering
finer spectral resolution.) Radiometric resolution is the number of levels of energy recorded, per pixel, in each spectral band. Temporal resolution describes
Measurement and signature intelligence
Measurement_and_signature_intelligence
NASA experiment to measure radiation from the Sun
ultraviolet irradiance from 120 to 300 nm, with a spectral resolution of 1 nm. Achieve this spectral irradiance measurement with an accuracy of better
Solar Radiation and Climate Experiment
Solar_Radiation_and_Climate_Experiment
British space scientist and science educator (born 1968)
with the group developing a high-resolution spectrograph for the Gemini telescope in Chile. The high spectral resolution of the instrument allowed studies
Maggie_Aderin
Planned NASA balloon-borne telescope
ASTHROS, Astrophysics Stratospheric Telescope for High Spectral Resolution Observations at Submillimeter-wavelengths, is a planned NASA balloon-borne
ASTHROS
Instrument to measure the properties of visible light
prism, diffraction slit and telescope in a manner that increased the spectral resolution and was reproducible in other laboratories. Fraunhofer also went
Optical_spectrometer
Spectrograph equipped with an integral field unit
simultaneous spectral information is obtained with heterodyne receivers, featuring large frequency coverage and huge spectral resolution. In the X-ray
Integral_field_spectrograph
First spacecraft to enter orbit around Mars (1971–1972)
and ozone. It worked on a wavelength range of 110–340 nm with a spectral resolution of 2.5 nm. The instrument identified atomic hydrogen and oxygen in
Mariner_9
Frequencies of light emitted by atoms or chemical compounds
replacing a prism as the source of wavelength dispersion improving the spectral resolution and allowing for the dispersed wavelengths to be quantified.[citation
Emission_spectrum
Binary star in the constellation Scorpius
G; Baffa, C; Chelli, A; Petrov, R; Robbe-Dubois, S (2013). "High spectral resolution imaging of the dynamical atmosphere of the red supergiant Antares
Antares
NOAA weather satellite
Geostationary Operational Environmental Satellite (GOES) system, providing multi-spectral imaging for weather forecasts and meteorological and environmental research
GOES-17
Ecological theory
The hypothesis has later also been termed the Spectral Variation Hypothesis. With high spatial resolution, variability in reflectance may also be a direct
Spectral variability hypothesis
Spectral_variability_hypothesis
Relative importance of certain frequencies in a composite signal
energy is finite, one may compute the energy spectral density. More commonly used is the power spectral density (PSD, or simply power spectrum), which
Spectral_density
Metric quantifying vegetation density
precursor to the Landsat program. These early sensors had minimal spectral resolution, but tended to include bands in the red and near-infrared, which
Normalized difference vegetation index
Normalized_difference_vegetation_index
Concept in applied mathematics
processing applications. For example, the NUDFT provides a variable spectral resolution controlled by the user. The nonuniform discrete Fourier transform
Non-uniform discrete Fourier transform
Non-uniform_discrete_Fourier_transform
European X-ray space observatory
X-IFU will deliver spatially resolved X-ray spectroscopy, with a spectral resolution requirement of 2.5 eV up to 7 keV over a hexagonal field of view
Advanced Telescope for High Energy Astrophysics
Advanced_Telescope_for_High_Energy_Astrophysics
Molecule composed of any two atoms
further by the limited spectral resolution of the spectrometer that is used to measure the spectrum. The spectral resolution depends on the instrument's
Diatomic_molecule
Optical device with parallel mirrors
}=(1-R_{1})\gamma _{q,{\rm {circ}}}.} The Taylor criterion of spectral resolution proposes that two spectral lines can be resolved if the individual lines cross
Fabry–Pérot_interferometer
acquire a spectrally-resolved image of an object or scene, usually to support analysis of the composition the object being imaged. The spectral data produced
Imaging_spectrometer
NASA satellite of the Explorer program
providing one image per second at 0.3-arcsecond angular resolution and sub-ångström spectral resolution. NASA announced, on 19 June 2009, that IRIS was selected
Interface Region Imaging Spectrograph
Interface_Region_Imaging_Spectrograph
though they are limited by quantum uncertainty to an approximate spectral resolution of R≈100. Photons incident on a strip of superconducting material
Kinetic_inductance_detector
ESA space telescope in service 2009–2013
Planck Institute for Extraterrestrial Physics. The spectrometer had a spectral resolution between R=1000 and R=5000 and was able to detect signals as weak
Herschel_Space_Observatory
Electronic testing device
signal that most common spectrum analyzers measure is electrical; however, spectral compositions of other signals, such as acoustic pressure waves and optical
Spectrum_analyzer
Chemical database
– 400 cm−1 region and the spectral resolution was 0.25 cm−1. For spectra recorded in the JASCO spectrometer, the resolution as well as the intervals was
Spectral Database for Organic Compounds
Spectral_Database_for_Organic_Compounds
Images taken from an artificial satellite
location." There are five types of resolution when discussing satellite imagery in remote sensing: spatial, spectral, temporal, radiometric and geometric
Satellite_imagery
Instrument for measuring gamma radiation
the ability of a GRS to do so is characterized by the instrument's spectral resolution, or the accuracy with which the energy of each photon is measured
Gamma-ray_spectrometer
possible in its spectral resolution, wavelength coverage, noise characteristics, etc. When assigning a spectral classification, a spectral atlas is a collection
Spectral_atlas
Collection of mathematical theories
In mathematics, spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader
Spectral_theory
NASA mission, launched in 2010 to GSO
measures the Sun's extreme ultraviolet irradiance with improved spectral resolution, temporal cadence, accuracy, and precision over preceding measurements
Solar_Dynamics_Observatory
Device used to disperse light
prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow). Different wavelengths (colors)
Dispersive_prism
Infrared telescope
it used a conventional grating. Thus, despite having much higher spectral resolution than SpeX, iShell will be slightly smaller. There will be two immersion
NASA Infrared Telescope Facility
NASA_Infrared_Telescope_Facility
time resolution. In contrast, the magnitude of the Fourier transform (FT) of the signal may be considered as a representation with perfect spectral resolution
Time–frequency_representation
Unit of measurement
C.; Chelli, A.; Petrov, R.; Robbe-Dubois, S. (2013-07-01). "High spectral resolution imaging of the dynamical atmosphere of the red supergiant Antares
Solar_radius
Soviet ultraviolet spectrograph series
1400 mm Spectral range: 2000–3800 Å Spectral resolution at wavelength 2600 Å: 5 Å Film: UFSh 4, width 16 mm, range of sensitivity: 4000–2500 Å, resolution better
Orion_(space_telescope)
Effect in signal processing
summary, spectral analysis involves a trade-off between resolving comparable strength components with similar frequencies (high resolution / sensitivity)
Spectral_leakage
Astronomical radio interferometer in Hawaii, USA
configuration the spectral resolution was 812.5 kHz per channel, but the correlator could be reconfigured to increase the spectral resolution on certain chunks
Submillimeter_Array
Proposed NASA space telescope
function stable across the telescope's field of view, and very high spectral resolution for both imaging and gratings spectroscopy. These requirements, in
Lynx_X-ray_Observatory
Spectral density of light emitted by a black body
In physics, Planck's law (also Planck radiation law) describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium
Planck's_law
Multi-photon microscopy technique
bandwidth < 1 nm, to maintain good spectral resolution ~ 15 cm−1. Lasers with sub 1 nm bandwidth are picosecond lasers. In spectral-focusing CRS, femtosecond pump
Coherent Raman scattering microscopy
Coherent_Raman_scattering_microscopy
Italian Earth observation satellite
(~ 250 bands) at a spatial resolution of 30 m on a swath of 30 km. The spectral resolution is better than 12 nm in a spectral range of 400-2500 nm (VNIR
PRISMA_(spacecraft)
Camera aboard NASA's 2001 Mars Odyssey orbiter
high spatial resolution (100 m) with a low spectral resolution of only 10 bands between 6 and 15 micrometers, TES has a low spatial resolution (3×6 km) with
Thermal Emission Imaging System
Thermal_Emission_Imaging_System
Instrument installed on the Hubble Space Telescope
spectrograph that is optimized for high sensitivity and moderate spectral resolution of compact (point like) objects (stars, quasars, etc.). COS has two
Cosmic_Origins_Spectrograph
and near infrared wavelength region (240 nm - 2380 nm) at moderate spectral resolution (0.2 nm - 1.5 nm). SCIAMACHY was built by Netherlands and Germany
SCIAMACHY
European mission to study Jupiter and its moons since 2023
infrared imaging spectrograph operating from 0.5 μm to 5.56 μm, with spectral resolution of 3–7 nm, that will observe tropospheric cloud features and minor
Jupiter_Icy_Moons_Explorer
NASA satellite of the Explorer program
400 keV with a spectral resolution of ~25% at 20 keV and ~9% at 662 keV. The field of view is 3 steradians and the timing resolution is 10 microseconds
HETE_2
Planned Chinese space telescope
bands. The slitless spectrograph is designed to achieve an average spectral resolution of at least 200. In addition to the main survey, the telescope will
Xuntian
Angle between diagonal and edge of a cube
reduce the influence of anisotropic interactions, thereby increasing spectral resolution. For a time-independent interaction, i.e. heteronuclear dipolar couplings
Magic_angle
ESA science observatory on the Columbus Laboratory
are designed to measure the EUV/UV spectral regime (17 nanometers - 220 nanometers) with moderate spectral resolution. The mission was originally planned
SOLAR_(ISS)
French astronomical instrument
cycle. HR mode is the high resolution mode. This mode incorporates a 40 micrometre exit slit to achieve high spectral resolution of R = 75000. HE mode is
SOPHIE_échelle_spectrograph
Classification type of a class of astronomical objects
A trans-Neptunian spectral type (or Kuiper belt spectral type) is assigned to trans-Neptunian objects (TNOs) and other icy small bodies in the Solar System
Trans-Neptunian spectral types
Trans-Neptunian_spectral_types
Taurus Brightest Star
Bibcode:2011JAVSO..39....1P. Ohnaka, K. (May 2013). "Spatially resolved, high-spectral resolution observation of the K giant Aldebaran in the CO first overtone lines
Aldebaran
Higher-order frequency analysis
calculation of estimates of polyspectra. These estimates have finite spectral resolution and finite accuracy. Direct Fourier methods usually start with the
Polyspectra
developed, with improvements to signal-to-noise ratio, spatial and spectral resolution. The latest, AVIRIS-5, made its first flight in 2025. Multispectral
Airborne visible/infrared imaging spectrometer
Airborne_visible/infrared_imaging_spectrometer
NASA space telescope launched in 1999
with high resolution spectroscopy. The High Energy Transmission Grating Spectrometer (HETGS) works over 0.4–10 keV and has a spectral resolution of 60–1000
Chandra_X-ray_Observatory
Hypothetical trend
relevant indices. Satellite remote sensors in orbit Spatial resolution Spectral resolution and spectral bands Data availability Data accuracy Machine Learning
GEOINT_Singularity
Blue supergiant star in the constellation Cygnus
; Farrington, C.; Goldfinger, P. J. (2010). "Time, spatial, and spectral resolution of the Hα line-formation region of Deneb and Rigel with the VEGA/CHARA
Deneb
10-meter-aperture telescope in Texas, USA
medium and low spectral resolution. The low-resolution spectrograph is housed at the prime focus, while the medium and high-resolution spectrographs reside
Hobby–Eberly_Telescope
Variable star in the constellation Eridanus
M. Farthmann et al. reported in 1994 that high spectral resolution observations of the 4471Å spectral line of neutral helium can be explained if HD 28843
HD_28843
Molecule investigation technique
imaging, and non-destructive evaluation. THz-FDS offers extremely high spectral resolution, often below 1 MHz, enabling Doppler-limited gas-phase spectroscopy
Terahertz_spectroscopy
Variation of reflectance or emittance of a material with respect to wavelengths
(classification) by comparing with known spectral signatures. Depending on pixel resolution, a pixel can represent many spectral signature "mixed" together - that
Spectral_signature
were acquired with GSD of 60 centimeters (1.97 ft). The default spectral resolution is natural color (Red, Green and Blue, or RGB) but beginning in 2007
National Agriculture Imagery Program
National_Agriculture_Imagery_Program
Indian aerospace company
inspired Ahmed to focus on space innovation. Identifying a gap in spectral resolution and the need for more detailed satellite imagery available in the
Pixxel
Mathematical tool in quantum physics
(\rho A)} for mixed states. Moreover, if A {\displaystyle A} has spectral resolution A = ∑ i a i P i , {\displaystyle A=\sum _{i}a_{i}P_{i},} where P
Density_matrix
Portion of the electromagnetic spectrum that is visible to the human eye
high-dispersion diffraction gratings to observe spectra at very high spectral resolutions. English Wikisource has original text related to this article: Definition
Visible_spectrum
single, sharp peak in the spectrum. This significantly increases both spectral resolution and sensitivity, both of which are at a premium when studying large
Transverse relaxation-optimized spectroscopy
Transverse_relaxation-optimized_spectroscopy
Observation sensor on the International Space Station
Dragon capsule. HICO uses 128 spectral bands from approximately 353 nm to 1080 nm wavelengths at 5.7 nm spectral resolution (band centers 5.7 nm apart)
Hyperspectral Imager for the Coastal Ocean
Hyperspectral_Imager_for_the_Coastal_Ocean
Optical device for selecting part of a spectrum
slits to be used, gathering more light, while still achieving high spectral resolution. Some designs take another approach and use toroidal collimating
Monochromator
Class of instruments
profiles is overcome by Raman (inelastic) backscatter lidar and high spectral resolution lidar (HSRL). Raman lidar works by additionally measuring the inelastic
Atmospheric_lidar
NASA/ESA space telescope launched in 1990
spectral resolution of 90,000. Also optimized for ultraviolet observations were the FOC and FOS, which were capable of the highest spatial resolution
Hubble_Space_Telescope
Spectral sequence
homological algebra, the Grothendieck spectral sequence, introduced by Alexander Grothendieck in his Tôhoku paper, is a spectral sequence that computes the derived
Grothendieck spectral sequence
Grothendieck_spectral_sequence
NASA satellite of the Explorer program
of the detector photocathode materials. In order to achieve good spectral resolution, any EUV spectrometer must be designed to limit the effect of diffuse
Extreme_Ultraviolet_Explorer
SPECTRAL RESOLUTION
SPECTRAL RESOLUTION
Girl/Female
Bengali, Indian, Telugu
Special
Girl/Female
Indian
Special
Girl/Female
Hindu, Indian, Tamil
Special
Boy/Male
Indian
Special
Boy/Male
Tamil
Special
Girl/Female
Bengali, Indian, Telugu
Special
Girl/Female
Indian, Telugu
Special
Girl/Female
Arabic, Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Muslim, Sindhi, Tamil, Telugu
Special
Girl/Female
Greek, Indian, Marathi, Turkish
Special
Girl/Female
Hindu, Indian, Tamil
Special
Boy/Male
Hindu, Indian
Special
Boy/Male
Hindu, Indian
Special
Boy/Male
Hindu
Special
Boy/Male
Tamil
Saisnigda | ஸாஈஸà¯à®¨à¯€à®•à¯à®¤à®¾
Special
Saisnigda | ஸாஈஸà¯à®¨à¯€à®•à¯à®¤à®¾
Girl/Female
Hindu, Indian, Tamil
Special
Boy/Male
Indian, Telugu
Special
Girl/Female
Tamil
Special
Girl/Female
Indian
Special
Girl/Female
Bengali, Indian, Modern
Special
Boy/Male
Hindu, Indian
Special
SPECTRAL RESOLUTION
SPECTRAL RESOLUTION
Girl/Female
Gujarati, Hindu, Indian, Kannada, Marathi, Telugu
Queen of Seasons; Related with Season; Daughter of Truth
Boy/Male
English American
Abbreviation of Nicholas. Mythological Nike was Greek goddess of victory and root origin of...
Boy/Male
Tamil
Another name of Lord Vishnu
Boy/Male
Indian, Sanskrit
Giver of Rain
Girl/Female
Hebrew American English
Wished-for child; rebellion; bitter.
Boy/Male
Bengali, Indian
Romantic
Boy/Male
Welsh
War-ready; battle sharp.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Sanskrit, Sindhi, Tamil, Telugu
River; One who Controls Senses; Name of Lord Vishnu
Girl/Female
Indian, Telugu
Goddess Lakshmi; Goddess Saraswathi
Girl/Female
Hindu, Indian
Goddess Parvati
SPECTRAL RESOLUTION
SPECTRAL RESOLUTION
SPECTRAL RESOLUTION
SPECTRAL RESOLUTION
SPECTRAL RESOLUTION
a.
Of or pertaining to a scepter; like a scepter.
a.
Limited in range; confined to a definite field of action, investigation, or discussion; as, a special dictionary of commercial terms; a special branch of study.
a.
Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis.
a.
Relating to, or good for, diseases of the chest or lungs; as, a pectoral remedy.
adv.
In the form or manner of a specter.
n.
A luminous appearance, or an image seen after the eye has been exposed to an intense light or a strongly illuminated object. When the object is colored, the image appears of the complementary color, as a green image seen after viewing a red wafer lying on white paper. Called also ocular spectrum.
a.
Of or pertaining to a specter; ghosty.
n.
A breastplate, esp. that worn by the Jewish high person.
a.
Appropriate; designed for a particular purpose, occasion, or person; as, a special act of Parliament or of Congress; a special sermon.
n.
A covering or protecting for the breast.
n.
A medicine for diseases of the chest organs, especially the lungs.
pl.
of Spectrum
a.
Having the breast conspicuously colored; as, the pectoral sandpiper.
n.
A clasp or a cross worn on the breast.
n.
An apparition; a specter.
n.
One appointed for a special service or occasion.
n.
The tarsius, or spectral lemur.
a.
Of or pertaining to a sector; as, a sectoral circle.
n.
The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope.
a.
Of or pertaining to the breast, or chest; as, the pectoral muscles.