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In communications, noise spectral density (NSD), noise power density, noise power spectral density, or simply noise density (N0) is the power spectral density of noise or the noise power per unit of bandwidth. It has dimension of power over frequency, whose SI unit is watt per hertz (equivalent to watt-second or joule). It is commonly used in link budgets as the denominator of the important figure-of-merit ratios, such as carrier-to-noise-density ratio as well as Eb/N0 and Es/N0.

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rdf:type	basketball player
rdfs:label	Densité spectrale de bruit (fr) Noise spectral density (en)
rdfs:comment	En télécommunications et en électronique, la densité spectrale de bruit se définit comme la densité de bruit présente dans un signal, rapporté à une bande passante de 1 Hz. On distingue la densité de puissance, exprimée en V²/Hz, de la densité de tension, exprimée en V/√Hz. La densité spectrale de bruit est généralement utilisée pour spécifier les exigences de bruit d'un composant ou d'un système électronique. (fr) In communications, noise spectral density (NSD), noise power density, noise power spectral density, or simply noise density (N0) is the power spectral density of noise or the noise power per unit of bandwidth. It has dimension of power over frequency, whose SI unit is watt per hertz (equivalent to watt-second or joule). It is commonly used in link budgets as the denominator of the important figure-of-merit ratios, such as carrier-to-noise-density ratio as well as Eb/N0 and Es/N0. (en)
dcterms:subject	Noise (electronics) Acoustics Frequency-domain analysis
Wikipage page ID	7430072 (xsd:integer)
Wikipage revision ID	1102787672 (xsd:integer)
Link from a Wikipage to another Wikipage	Power (physics) Power spectral density Noise-equivalent bandwidth Boltzmann constant Frequency Noise (electronics) White noise Link budget Acoustics Bandwidth (signal processing) Frequency-domain analysis Carrier-to-noise-density ratio Kelvin System Eb/N0 Noise temperature Welch's method Dimensional analysis Signal-to-noise ratio Spectral density estimation Noise power Electronic noise SI unit Watt-second Es/N0 Joule (unit) Thermal noise
Link from a Wikipage to an external page	https://books.google.com/books%3Fid=FdSQSAC3_EwC&pg=PA636%7Cdate=27
sameAs	Noise spectral density Noise spectral density Noise spectral density Noise spectral density
dbp:wikiPageUsesTemplate	dbt:Cite_book dbt:Noise
has abstract	In communications, noise spectral density (NSD), noise power density, noise power spectral density, or simply noise density (N0) is the power spectral density of noise or the noise power per unit of bandwidth. It has dimension of power over frequency, whose SI unit is watt per hertz (equivalent to watt-second or joule). It is commonly used in link budgets as the denominator of the important figure-of-merit ratios, such as carrier-to-noise-density ratio as well as Eb/N0 and Es/N0. If the noise is one-sided white noise, i.e., constant with frequency, then the total noise power N integrated over a bandwidth B is N = BN0 (for double-sided white noise, the bandwidth is doubled, so N is BN0/2). This is utilized in signal-to-noise ratio calculations. For thermal noise, its spectral density is given by N0 = kT, where k is the Boltzmann constant in joules per kelvin, and T is the receiver system noise temperature in kelvins. The noise amplitude spectral density is the square root of the noise power spectral density, and is given in units such as . (en) En télécommunications et en électronique, la densité spectrale de bruit se définit comme la densité de bruit présente dans un signal, rapporté à une bande passante de 1 Hz. On distingue la densité de puissance, exprimée en V²/Hz, de la densité de tension, exprimée en V/√Hz. La densité spectrale de bruit est généralement utilisée pour spécifier les exigences de bruit d'un composant ou d'un système électronique. (fr)
gold:hypernym	Power
prov:wasDerivedFrom	wikipedia-en:Noise_spectral_density?oldid=1102787672&ns=0
page length (characters) of wiki page	2836 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Noise_spectral_density
is Link from a Wikipage to another Wikipage of	NSD (disambiguation) Noise-equivalent power Noise power density Blackmer gain cell Phase noise Noise (electronics) Noise (spectral phenomenon) NE5532 Noise (signal processing) Eb/N0 Noise temperature Spectral density Specific detectivity Noise Spectral Density Phonon noise Photodetector Noise power V/√Hz NV/√Hz
is Wikipage redirect of	Noise power density Noise Spectral Density V/√Hz NV/√Hz
is Wikipage disambiguates of	NSD (disambiguation)
is foaf:primaryTopic of	wikipedia-en:Noise_spectral_density

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