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	Density functional theory - Wikipedia, the free encyclopedia
		Within the framework of Kohn-Sham DFT, the intractable many-body problem of interacting electrons in a static external potential is reduced to a tractable problem of non-interacting electrons moving in an effective potential.
		Despite the improvements in DFT, there are still difficulties in using density functional theory to properly describe intermolecular interactions, especially van der Waals forces (dispersion), or in calculations of the band gap in semiconductors.
		The major problem with DFT is that the exact functionals for exchange and correlation are not known except for the free electron gas.
	en.wikipedia.org /wiki/Density_functional_theory (1611 words)

	DFT Hammerdown Gasoline Conditioner Lv Petro,Inc (Site not responding. Last check: 2007-10-21)
		DFT #2000G is nontoxic and noncaustic, and is totally compatible with all engines, fuel systems, and filters.
		DFT #2000G improves the combustion characteristics of all gasolines.
		DFT #2000G also eliminates and prevents varnish and sludge from building up in the fuel systems, including the carburetor and fuel tanks.
	www.lvpetroinc.com /dft2000G.htm (304 words)

	DFT Security \| Frequently Asked Questions (Site not responding. Last check: 2007-10-21)
		DFT offers Alarmnet I and Alarmnet C as back-up communications path to insure receipt of the alarm signal in the event of loss of normal telephone service.
		DFT will be happy to investigate any problems you're having with your equipment, simply call 800-724-1057 and ask for the Service and Repair Department.
		DFT regularly initiates a communications performance test, but this only assures your monitoring connection, not that every device is working properly.
	www.dftsecurity.com /faq (10922 words)

	Hard disk drives \| Library \| Drive Fitness Test
		DFT can then be invoked by the end user, possibly at the direction of the system OEM telephone support staff.
		DFT is a program that diagnoses the state of a hard drive by using S.M.A.R.T. as well as other special microcode features.
		DFT software is intended to be bundled together with other diagnostic software by the system OEM to create a standalone package.
	www.hitachigst.com /hdd/technolo/dft/dft.htm (1545 words)

	Synopsys DFT Compiler Technology Backgrounder
		This means that DFT implementation and verification is available directly within the synthesis environment, allowing problems to be found and fixed early in the design cycle.
		DFT Compiler, a key element of Synopsys' DFT closure strategy, makes DFT implementation transparent in the high-level design flow, without interfering with the designers' need to meet functional, timing and power requirements.
		DFT Compiler, the next generation 1-Pass test synthesis, addresses these issues and is uniquely positioned to offer the most transparent test synthesis flow.
	www.synopsys.com /products/test/dft_bkgrd.html (2273 words)

	DFT Hammerdown Heavy Fuel Conditioner Multi-Purpose (Site not responding. Last check: 2007-10-21)
		DFT #1500V "Hammerdown" is a multi-purpose fuel conditioner.
		DFT #1500V "Hammerdown" is E.P.A. registered, U.S. Coast Guard approved and certified for national defense fuels use.
		DFT #1500 "Hammerdown" or DFT #1500V may be used to condition any distillate or residual fuel used either in compression ignition engines or atmospheric burners.
	www.lvpetroinc.com /dft1500V.htm (761 words)

	The Discrete Fourier Transform (DFT)
		Instead of having a signal magnitude 1.0 value at an x-axis location this case corresponds to the number of sin(x) periods, there is a magnitude that is slightly less than 1.0 and several sub-magnitudes.
		The windowing functions reduce DFT leakage to close to zero in all three cases, except in the immediate vicinity of the sin(x) frequency.
		The DFT leakage magnitudes at the far ends of the graph are removed.
	www.bearcave.com /misl/misl_tech/signal/dftwin (564 words)

	Democracy For Texas (Site not responding. Last check: 2007-10-21)
		DFA, DFT, and DFH are sponsoring a fun-filled event in Houston on Saturday, May 14, from 4:30 p.m.
		DFT supporters reported registering 5,612 voters, with 2,284 of those coming in the final four days.
		Flat Howard (sporting Kerry and DFT buttons) was a real hit with the crowd, and had his picture taken almost as many times as Governor Dean did during the campaign.
	www.democracyfortexas.org (3212 words)

	Density-Functional Theory (Site not responding. Last check: 2007-10-21)
		DFT does not always overestimate polarizabiliies --- polarizabilities are underestimated on the left hand side of the periodic table), the authors should be thanked for a heroic and well-worthwhile effort to bring a lot of information together.
		In John Perdew's dream, the angels are users of DFT who climb the ladder to gain greater precision (at greater cost), but who also need to be able to descend the ladder depending upon their needs.
		In addition, the use of element-dependent empirical corrections seems to deviate considerably from the overall DFT philosophy of having a unique functional for the entire periodic table.
	www-ledss.ujf-grenoble.fr /PERSONNEL/LEDSS7/casida/CompChem/DFT.html (4705 words)

	Ben Bennetts, Design-For-Test (DFT) Specialist (Site not responding. Last check: 2007-10-21)
		The principal partner is Dr R G "Ben" Bennetts, a DFT engineer with over 35 years experience in the electronics design and test industry.
		Consulting activity is to investigate existing DFT practices, if any, and recommend changes for improvement based on improving the quality of products shipped to customers within the economic constraints of the product and market.
		DFT Review Seminar provides a technical overview of DFT techniques, and explores the economics of DFT.
	www.dft.co.uk (229 words)

	Defect and Fault Tolerance in VLSI Systems - DFT
		DFT is an annual Symposium providing an open forum, combining new academic research to state-of-the-art industrial data, for discussions on all aspects of design, manufacturing, test, reliability and availability that are affected by defects during manufacturing and by faults during system operation.
		DFT 2001 in San Francisco, CA, U.S.A. in Mt. Fuji, Yamanashi, Japan
		DFT 1998 in Austin, TX, U.S.A. in Paris, France
	www.elet.polimi.it /dft/dft2002.htm (410 words)

	Discrete Fourier Transform (Site not responding. Last check: 2007-10-21)
		This is the highest frequency component that should exist in the input series for the DFT to yield "uncorrupted" results.
		The relationship between the harmonics returns by the DFT and the periodic component in the time domain is illustrated below.
		While the DFT transform above can be applied to any complex valued series, in practice for large series it can take considerable time to compute, the time taken being proportional to the square of the number on points in the series.
	astronomy.swin.edu.au /~pbourke/analysis/dft (1075 words)

	Support \| Downloads
		The Drive Fitness Test (DFT) provides a quick, reliable method to test SCSI and IDE hard disk drives, including Serial-ATA IDE drives.
		DFT can only be used with x86 based processors.
		Consumers and end users should use this tool instead of DFT for Ultrastar 10K300, Ultrastar 15K73, and DK32XX drives only.
	www.hgst.com /hdd/support/download.htm (947 words)

	Density Functional Theory (Site not responding. Last check: 2007-10-21)
		The main idea of DFT is to describe an interacting system of fermions via its density and not via its many-body wave function.
		For N electrons in a solid, which obey the Pauli principle and repulse each other via the Coulomb potential, this means that the basic variable of the system depends only on three -- the spatial coordinates x, y, and z -- rather than 3*N degrees of freedom.
		While DFT in principle gives a good description of ground state properties, practical applications of DFT are based on approximations for the so-called exchange-correlation potential.
	www.physics.ohio-state.edu /~aulbur/dft.html (396 words)

	Department for Transport
		There is little that can be done if individuals wish to create websites in order to run spurious stories and campaigns about speed.
		It is the DfT's function, and not mine, to properly explore the effects of strategy, policy and legislation.
		The proof of the serious shortcomings of your research can be illustrated with a list of straightforward questions that present research cannot adequately answer.
	www.safespeed.org.uk /dft.html (1092 words)

	Home Page of Density Functional Theory
		Formulation along this line provides the possibility of the linear scaling algorithm currently in fashion, whose computational complexity goes like O(NlogN), essentially linear in N when N is very large.
		The other advantage of DFT is that it provides some chemically important concepts, such as elctronegativity (chemical potential), hardness (softness), Fukui function, response function, etc..
		However, it is well known that there is no such a systematical way in DFT to improve its results as in the conventional ab initio theory.
	www.unc.edu /~shubin/dft.html (331 words)

	JCIT International - Demand Flow Technology Training & Consulting
		Watch how DFT has dramatically improved Intermec's operations.
		Crown adopted this management strategy and organization structure for changing the culture and insuring ongoing improvements, as explained during a recent AME Workshop.
		From the factory floor to the front office, students learn by hands-on exercises and DFT lectures.
	www.jcit.com (383 words)

	TCM: Density-Functional Theory Group
		Methods based on density-functional theory (DFT) employ well-controlled approximations which make the calculations tractable but without the need for a priori assumptions which would compromise the first-principles approach.
		CASTEP, one of the earliest DFT codes, was originally developed in the group.
		Other research in the group focuses on developing new tools for use in combination with DFT, such as the calculation of NMR spectra, and new linear-scaling methods and hybrid schemes to expand the scope and scale of systems accessible to DFT.
	www.tcm.phy.cam.ac.uk /~pdh1001/tcm/dft.html (265 words)

	DFT Security \| Home
		DFT has been a trusted name in Western New York and Northwestern Pennsylvania since 1898.
		This same reputation for dependability, reliability, innovative technology, and exceptional customer service associated with DFT is also available to help protect your home and business from harm – DFT Security.
		With Symphony, DFT Security will create a system that is just the right tempo for your family.
	www.dftsecurity.com (244 words)

	DfT Research
		More information about all DfT research, including contact details for each programme, can be accessed through the main DfT website.
		Please note that the database does not include research funded by our agencies - more detail of Highways Agency (HA) and Maritime and Coastguard Agency (MCA) research can be found on their websites.
		Research-related information is also available through many of the pages elsewhere on DfT Website, under policy headings such as Roads and Vehicles, Road Safety and Freight Logistics.
	www.rmd.dft.gov.uk (212 words)

	DFT++ home page (Site not responding. Last check: 2007-10-21)
		It is our vision that others contribute new features to this software so that it may become a tool to grow with the community.
		This framework allows us to transparently separate the computational guts (cache optimization, parallelization, etc.) from the introduction of new representations (plane waves, wavelets) and new physics (new density functionals, linear response theory, dielectric solutions), thus making extensions to the code relatively simple.
		Permissions and copyright information about the DFT++ software
	dft.physics.cornell.edu (206 words)

	DFTTrikes.com
		DFT would like to welcome our new dealers Dakota Custom Trikes of Viborg, SD and Casey's Service of Parsons, KS.
		The D.F.T. family continues to grow with our new dealers Bumpus Harley Davidson Shop of Coreville, TN and DandD Bikes and Trikes of Longview, TX.
		D.F.T. welcomes our new authorized dealers: Performance Auto and Cycle, Bald Eagle Harley-Davidson, Custom Machine and Design and Big Bore Cycles.
	www.dfttrikes.com (206 words)

	density functional theory beta version (Site not responding. Last check: 2007-10-21)
		They should be particularly good for users, who wish to understand the fundamental theory in a little more depth, in order to make intelligent decisions about which calculations to run.
		They should also be useful for developers, in allowing new students and postdocs to teach themselves basic DFT any time, on their own.
		Nobel lectures on DFT, including many useful references.
	dft.rutgers.edu /kieron/beta (195 words)

	Hypersignal RIDE Function Reference - Support (Site not responding. Last check: 2007-10-21)
		The DFT block performs the one-dimensional Discrete Fourier Transform on the incoming frame of data.
		This transform is fundamental to Digital Signal Processing, and is used to map time domain information to frequency domain information.
		Typically, this information is then sent to the Magnitude block and/or the phase block to obtain the magnitude and phase of the input signal from the complex output of the DFT block.
	www.hypersignal.com /support/php/ride/FunctionRef.php?block=DFT (122 words)

	Inverse DFT
		The inverse DFT (the IDFT) is given by
		' because the result follows from the definition of the DFT, as we will show in Chapter 6.
		``Mathematics of the Discrete Fourier Transform (DFT), with Music and Audio Applications'', by Julius O. Smith III, W3K Publishing, 2003, ISBN 0-9745607-0-7.
	ccrma.stanford.edu /~jos/mdft/Inverse_DFT.html (67 words)

	The Irish Handball Homepage
		Tony Healy (Cork) Dft Ricky McCann (Antrim) 21-18, 21-16.
		Paul Brady dft Eoin Kennedy Dublin 21-19, 21-17.
		Mens C Donnacha O’Dea (Cork) dft James Cunningham (Down) 21-13, 21-6.
	homepage.eircom.net /~sligohandball (478 words)

	DFT-Library (Site not responding. Last check: 2007-10-21)
		Below an alphabetical list and a list by subject for the current subroutines are given.
		The files are stored in /archive/source on the DFT account and examples for the usage can be found in /archive/examples.
		For a sample of how to write codes in the style required for the library, look at mindless.f, whose header can be found in the alphabetical listing.
	crab.rutgers.edu /~dft/lib (136 words)

	DFT Communications \| Home (Site not responding. Last check: 2007-10-21)
		DIRECTV, the nation's #1 digital satellite entertainment service provider, is now available through DFT Communications.
		DIRECTV service offers an incredible selection of entertainment for every member of the family - all with the digital-quality picture and sound that DIRECTV is known for.
		DFT Security is giving away tickets to each Bills home game this season!
	www.dftcommunications.com (201 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		XVI Cause: 42:405 Review of HHS Decision (SSID) pla Bishop, William E [ 129589 ] dft SSA Commissioner [ 120045 ] 1:04-cv- 1044 REED V. Judge: Harry Barnes NOS: P.I.: Motor Veh.
		XVI Cause: 42:405 Review of HHS Decision (SSID) pla Kopcinski, Joseph [ 143590 ] dft SSA Commissioner [ 120045 ] 2:02-cv- 2206 MASON V. Judge: Beverly Jones NOS: Social Security: SSID Tit.
		Relations pla McDonald, John [ 157640 ] dft Gary, John [ 157641 ] dft Thomas, Cliff [ 157642 ] dft Gay, Jesse [ 157643 ] dft Rheem Manufacturing [ 135976 ] 2:05-cv- 2102 LIBBEY V. Judge: Robert Dawson Magistrate: Beverly Jones NOS: Social Security: SSID Tit.
	www.arwd.uscourts.gov /docs/pendcases.txt (487 words)

	The Adaptive N Cycle Goertzel Discrete Fourier Transform System
		Here we will use the Goertzel algorithm to detect the frequencies of the price series we give it.
		In a my working paper entitled "MESA vs Goertzel DFT" (Articles page), I demonstrated that the Goertzel-DFT Algorithm has superior frequency detection abilities of sine waves imbedded in noise when compared to the MESA algorithm.
		Previous researchers using MESA constrained themselves to using MESA to find only the cycle with the highest amplitude and called that cycle the dominant cycle.
	meyersanalytics.com /gdft.php (1092 words)

	Railways
		Letter from Mike Mitchell on how we propose to take on our new responsibilities as the new DfT Rail Group.
		Letter to Stakeholders on Third Party Plans and Projects: 3 August 2005
		A letter sent from DfT to stakeholders on 3 August to set out new arrangements for the handling of third party work on plans and projects relating to railways.
	www.railways.dft.gov.uk (509 words)

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