'Power spectrum' presentation slideshows

Recent Progress in CMB

Recent Progress in CMB. ???. ?????? 2014.4.17. ??. ????????? ?? CMB ?? ?? CMB ?????. ?????????. ?????? (1920s-1970s) ?????? 1929 ? BBN ????????? 1998 ? CMB ????? 1994 ? ?? ?? (1980s-2000s) ?? + ? + ???? + ?? + ??? ?? ??? (2000s-now) CMB , LSS(BAO, RSD, GC, WL), SNIa. ?? CMB ??.

680 views • 51 slides

859 views • 50 slides

Numerical simulations of Quasar Absorbers

Tom Theuns Institute for Computational Cosmology, Durham, UK Department of Physics, Antwerp, Belgium. Numerical simulations of Quasar Absorbers. IAU 199, Shangai 2005. Contents: 1. Lyman- a forest in a CDM universe 2. Numerical simulations a. basics

566 views • 42 slides

Line Segment Sampling with Blue-Noise Properties

Line Segment Sampling with Blue-Noise Properties. Xin Sun 1 Kun Zhou 2 Jie Guo 3 Guofu Xie 4,5 Jingui Pan 3 Wencheng Wang 4 Baining Guo 1 1 Microsoft Research Asia 2 State Key Lab of CAD & CG, Zhejiang University

641 views • 42 slides

Issues in GPS Error Analysis

Issues in GPS Error Analysis. What are the sources of the errors ? How much of the error can we remove by better modeling ? Do we have enough information to infer the uncertainties from the data ? What mathematical tools can we use to represent the errors and uncertainties ? .

509 views • 35 slides

Dynamical Systems Analysis for Systems of Spiking Neurons

Dynamical Systems Analysis for Systems of Spiking Neurons. Models: Leaky Integrate and Fire Model. CdV/dt= -V/R+I syn Resting Potential V Rest assumed to be 0. CR = Membrane time constant (20 msec for excitatory neurons, 10 msec for inhibitory neurons.)

464 views • 34 slides

CNTRICS April 2010

CNTRICS April 2010. Center-surround: Adaptation to context in perception. Robert Shapley Center for Neural Science New York University. Perceptual adaptation --what it may tell us about cortical circuitry in schizophrenia. Adaptation is a fundamental aspect of brain activity

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ECEN4503 Random Signals Lecture #39 21 April 2014 Dr. George Scheets

ECEN4503 Random Signals Lecture #39 21 April 2014 Dr. George Scheets. Read 10.1, 10.2 Problems: 10.3, 5, 7, 12,14 Exam #2 this Friday: Mappings ? Autocorrelation Wednesday Class ??? Quiz #8 Results Hi = 10, Low = 0.8, Average = 5.70, ? = 2.94.

293 views • 20 slides

21CMA

21CMA. 21 Centimeter Array a.k.a. PAST. Reionization. 21cm: hyperfine transition of neutral Hydrogen. 21CMA a.k.a. PAST. B asic ideas:. an experiment, not an observatory use cheap, off-the -shelf technology (i.e. TV+PC) simple design (looking at NCP)

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Making sense of data

Making sense of data. Why pipeline scripts?. Each script is easily reusable, by you and others; Each script can be developed in isolation; Each script can be tested in isolation; Each script is easier to understand; If you plug & play properly, you can use one script in multiple pipelines.

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Weekly Report 08.28 R97222004 ???

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Line codes

Line codes. There are several line codes can be used for the electrical representation of binary data stream Many codes are available Only five codes will be considered in these slides A more detailed line codes can be found in the reference books. Basic line codes. Unipolar NRZ. Polar NRZ.

1.53k views • 13 slides

ECES 682 Digital Image Processing Week 5

ECES 682 Digital Image Processing Week 5. Oleh Tretiak ECE Department Drexel University. Mr. Joseph Fourier. To analyze a heat transient problem, Fourier proposed to express an arbitrary function by the formula. Image Distortion Model. Restoration depends on distortion

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EE484: Probability and Introduction to Random Processes Autocorrelation and the Power Spectrum

EE484: Probability and Introduction to Random Processes Autocorrelation and the Power Spectrum. By: Jason Cho 20076166. Overview. Autocorrelation Power Spectrum Summary. Abbreviations.

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Ellesmere Island coast in Kennedy Channel, Aug.-12, 2009

Ellesmere Island coast in Kennedy Channel, Aug.-12, 2009. Velocity: Long-Range Sonars. Sonars send and receives acoustic waves Measured Doppler shift proportional to velocity 75 kHz transducers. Rigid Backbone allowed to Pitch and Roll, but NOT Change Heading.

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P105 Lecture #26 visuals

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A New Upper Limit on the Total Neutrino Mass from the 2dF Galaxy Redshift Survey

A New Upper Limit on the Total Neutrino Mass from the 2dF Galaxy Redshift Survey. [astro-ph/0204152 v3 (14 June 2002)] [ Phys. Rev. Lett. 89, 061301 (5 August 2002)]. M.P. Journal Club 21 st November 2002. Neutrino Mass?. In Standard Model, assumed that neutrinos have no mass

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BAO Radio - US team members

BAO Radio - US team members. Carnegie-Mellon: Jeff Peterson, Kevin Bandura (at McGill), Tabitha Voytek , Bruce Taylor Pittsburgh Cylinder Prototype (PCT ), Feed/LNA development, correlator Fermilab : Scott Dodelson , Nick Gnedin , John Marriner , Dave McGinnis, Ralph

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AttoNewton Force Sensitivity for Measuring Dielectric Fluctuations

AttoNewton Force Sensitivity for Measuring Dielectric Fluctuations. Daniel C. Ralph, Cornell University, ECCS - 0335765.

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Abstract

The ? -ray Binaries LS 5039 and LS I +61 303 in the Fermi Era M. Virginia McSwain (Lehigh Univ.), Christina Aragona (Lehigh Univ.), Paul S. Ray (NRL), Jacob M. Hartman (NRC Research Fellow, NRL), Mallory S. E. Roberts (Eureka Scientific), Scott M. Ransom (NRAO), Sean Dougherty

131 views • 1 slides