Global Information Lookup Global Information

Spectral band information


A spectrum with various bands

Spectral bands are regions of a given spectrum, having a specific range of wavelengths or frequencies. Most often, it refers to electromagnetic bands, regions of the electromagnetic spectrum.[1]

More generally, spectral bands may also be means in the spectra of other types of signals, e.g., noise spectrum. A frequency band is an interval in the frequency domain, limited by a lower frequency and an upper frequency. For example, it may refer to a radio band, such as wireless communication standards set by the International Telecommunication Union.[2]

  1. ^ Mehta, Akul (25 August 2011). "Introduction to the Electromagnetic Spectrum and Spectroscopy". Pharmaxchange.info. Retrieved 2011-11-08.
  2. ^ "An Overview of Frequency Bands and Their Applications". resources.pcb.cadence.com. Retrieved 2023-04-18.

and 25 Related for: Spectral band information

Request time (Page generated in 0.8959 seconds.)

Spectral band

Last Update:

Spectral bands are regions of a given spectrum, having a specific range of wavelengths or frequencies. Most often, it refers to electromagnetic bands...

Word Count : 537

Spectral band replication

Last Update:

Spectral band replication (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in...

Word Count : 847

Multispectral imaging

Last Update:

3 to 15) of spectral bands. Hyperspectral imaging is a special case of spectral imaging where often hundreds of contiguous spectral bands are available...

Word Count : 2674

Spectral color

Last Update:

spectrum, or a relatively narrow spectral band (e.g. lasers). Every wave of visible light is perceived as a spectral color; when viewed as a continuous...

Word Count : 1010

Spectral line

Last Update:

There are a number of effects which control spectral line shape. A spectral line extends over a tiny spectral band with a nonzero range of frequencies, not...

Word Count : 2361

False color

Last Update:

"NRG→RGB" mapping is used, with "N" being the near-infrared spectral band (and the blue spectral band being unused) – this yields the typical "vegetation in...

Word Count : 2239

Operational Land Imager

Last Update:

two spectral bands (the first a blue visible channel and the second an infrared channel) were added. These bands were designated as band 1 and band 9,...

Word Count : 608

Hyperspectral imaging

Last Update:

types of spectral imagers. There are push broom scanners and the related whisk broom scanners (spatial scanning), which read images over time, band sequential...

Word Count : 4768

Spectral density

Last Update:

spectral envelope of a feature is the boundary of its spectral properties, as defined by the range of brightness levels in each of the spectral bands...

Word Count : 5680

Spectral width

Last Update:

telecommunications, spectral width is the width of a spectral band, i.e., the range of wavelengths or frequencies over which the magnitude of all spectral components...

Word Count : 190

Landsat program

Last Update:

Geological Survey (USGS) "EarthExplorer" website. Landsat 7 data has eight spectral bands with spatial resolutions ranging from 15 to 60 m (49 to 197 ft); the...

Word Count : 3813

Normalized difference water index

Last Update:

or spectral ratioing are enhancement techniques in which a raster pixel from one spectral band is divided by the corresponding value in another band. Both...

Word Count : 1263

Landsat 8

Last Update:

measurement capabilities. Two new spectral bands, a deep blue coastal/aerosol band and a shortwave-infrared cirrus band, will be collected, allowing scientists...

Word Count : 2255

Normalized difference vegetation index

Last Update:

the Landsat program. These early sensors had minimal spectral resolution, but tended to include bands in the red and near-infrared, which are useful to distinguish...

Word Count : 3606

Bathochromic shift

Last Update:

hence less common alternate spelling "bathychromic") is a change of spectral band position in the absorption, reflectance, transmittance, or emission...

Word Count : 288

Hypsochromic shift

Last Update:

Greek ὕψος (upsos) 'height', and χρῶμα (chrōma) 'color') is a change of spectral band position in the absorption, reflectance, transmittance, or emission...

Word Count : 258

Infrared

Last Update:

than that of visible light but shorter than microwaves. The infrared spectral band begins with waves that are just longer than those of red light, the...

Word Count : 8501

Spectral imaging

Last Update:

Spectral imaging is imaging that uses multiple bands across the electromagnetic spectrum. While an ordinary camera captures light across three wavelength...

Word Count : 791

Hydrogen spectral series

Last Update:

been divided into a number of spectral series, with wavelengths given by the Rydberg formula. These observed spectral lines are due to the electron making...

Word Count : 1917

Spectral mask

Last Update:

with a band-pass filter, tuned to allow through the correct center frequency of the carrier wave, as well as all necessary sidebands. The spectral mask...

Word Count : 338

Overtone band

Last Update:

In vibrational spectroscopy, an overtone band is the spectral band that occurs in a vibrational spectrum of a molecule when the molecule makes a transition...

Word Count : 420

Mp3PRO

Last Update:

audio compression codec that combines the MP3 audio format with the spectral band replication (SBR) compression method. At the time it was developed it...

Word Count : 608

Bathymetry

Last Update:

produced by Hyper-Spectral (HS) Sensors tend to range between 100 and 200 spectral bands of approximately 5–10 nm bandwidths. Hyper-Spectral Sensing, or imaging...

Word Count : 3759

List of Qualcomm Snapdragon systems on chips

Last Update:

Wi-Fi spectral bands: 2.4 GHz, 5 GHz, 6 GHz • channel utilization: 20/40/80/160 MHz MIMO configuration: 2x2 (2 Spatial Stream) • MU-MIMO • Dual-band simultaneous...

Word Count : 12199

Moderate Resolution Imaging Spectroradiometer

Last Update:

36 spectral bands ranging in wavelength from 0.4 μm to 14.4 μm and at varying spatial resolutions (2 bands at 250 m, 5 bands at 500 m and 29 bands at...

Word Count : 1005

PDF Search Engine © AllGlobal.net