Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 235,608,949 papers from all fields of science
Search
Sign In
Create Free Account
Spectral density
Known as:
Power-spectral density function
, Energy spectral density
, Power spectral density
Expand
The power spectrum of a time series describes the distribution of power into frequency components composing that signal. According to Fourier…
Expand
Wikipedia
(opens in a new tab)
Create Alert
Alert
Related topics
Related topics
49 relations
Anti-aliasing filter
Autoregressive fractionally integrated moving average
Autoregressive model
Bispectrum
Expand
Broader (1)
Signal processing
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2011
2011
A 2x2 MIMO Tri-Band Dual-Mode Direct-Conversion CMOS Transceiver for Worldwide WiMAX/WLAN Applications
Kyoohyun Lim
,
Sunki Min
,
+9 authors
K. Chun
IEEE Journal of Solid-State Circuits
2011
Corpus ID: 1960442
This paper describes a fully integrated 130 nm CMOS 2×2 MIMO tri-band dual-mode transceiver for fixed and mobile WiMAX and IEEE…
Expand
2011
2011
The primordial curvature perturbation from vector fields of general non-Abelian groups
Mindaugas Karčiauskas
2011
Corpus ID: 118671790
We consider the generation of primordial curvature perturbation by general non-Abelian vector fields without committing to a…
Expand
Highly Cited
2010
Highly Cited
2010
Theoretic and Numerical Study of a New Chaotic System
C. Zhu
,
Y. H. Liu
,
Y. Guo
Intelligent Information Management
2010
Corpus ID: 17551033
This paper introduced a new three-dimensional continuous quadratic autonomous chaotic system, modified from the Lorenz system, in…
Expand
Review
2008
Review
2008
Deconstructing Baryon Acoustic Oscillations: A Comparison of Methods
A. Rassat
,
A. Amara
,
+6 authors
J. Weller
2008
Corpus ID: 118897040
The Baryon Acoustic Oscillations (BAOs) or baryon wiggles which are present in the galaxy power spectrum at scales 100-150Mpc/h…
Expand
Highly Cited
2007
Highly Cited
2007
Optical Frequency Conversion for Millimeter-Wave Ultra-Wideband-Over-Fiber Systems
Y. Guennec
,
R. Gary
IEEE Photonics Technology Letters
2007
Corpus ID: 1300736
This letter investigates all-optical frequency conversion of ultra-wideband (UWB) signals for UWB-over-fiber up-link and down…
Expand
Highly Cited
1994
Highly Cited
1994
Controlling plate vibrations using piezoelectric actuators
E. Falangas
,
Dworak
,
Shozo Koshigoe
IEEE Control Systems
1994
Corpus ID: 10699756
Launch vehicles often experience severe vibration problems during the ascent phase due to intense acoustic fields and…
Expand
1987
1987
Whistler mode emissions in the Uranian radiation belts
F. Coroniti
,
W. Kurth
,
F. Scarf
,
S. Krimigis
,
C. Kennel
,
D. Gurnett
1987
Corpus ID: 85510692
Voyager 2 detected intense whistler mode emissions and fluxes of energetic electrons during the outbound pass through the region…
Expand
1986
1986
Ungerboeck codes do not shape the signal power spectrum
E. Biglieri
IEEE Transactions on Information Theory
1986
Corpus ID: 5572405
Simple sufficient conditions are found for the spectrum of Ungerboeck-coded signals to be equal to the spectrum of uncoded…
Expand
Highly Cited
1982
Highly Cited
1982
Bifurcations en cascade conduisant la turbulence dans la raction de Belousov-Zhabotinsky
C. Vidal
,
S. Bachelart
,
A. Rossi
1982
Corpus ID: 92416728
2014 The Belousov-Zhabotinsky reaction, carried out in a continuous stirred tank reactor, is shown to display several periodic…
Expand
Highly Cited
1974
Highly Cited
1974
Properties of Frame-Difference Signals Generated by Moving Images
D. Connor
,
J. Limb
IEEE Transactions on Communications
1974
Corpus ID: 62296407
The properties of the frame-difference signals arising from updated "moving" areas and nonupdated "stationary" areas in…
Expand