DF

(redirected from Difference Frequency)
AcronymDefinition
DFDistrito Federal (Spanish: Federal District)
DFData Frame
DFDairy Free
DFDisk Free
DFDistrito Federal (Brazil)
DFDelta Force (Novalogic military combat game)
DFDrug Free
DFDwarf Fortress (video game)
DFDansk Folkeparti
DFDirection Finder
DFDegree of Freedom
DFLa Documentation Française (France)
DFDual Frequency
DFDon't Fragment
DFDead Fish
DFDirection Flag
DFDrinking Fountain (various companies)
DFDiesel Fuel
DFDisk Farm
DFDelay Fuse
DFDodd-Frank (finance law)
DFDragon Force (band)
DFDietary Fiber
DFDengue Fever
DFDarkfall (game)
DFDong Feng (Asia automobile manofacturer)
DFDouglas Fir
DFDistraction Free (web browser extension)
DFData Field
DFDead Frontier
DFDecision Feedback
DFDarkness Falls (Dark Age of Camelot online game)
DFDissipation Factor
DFDirt Farmer
DFDivine Forces (gaming; Runescape clan)
DFDark Forces (LucasArts game)
DFDefence Forces (Irish Army)
DFDerek Fisher (NBA Player)
DFDavid Farrell (composer)
DFDragonfable (online game)
DFDouble Feature
DFDestination Field
DFData Fusion
DFDancefit
DFDilution Factor
DFDesign Feature
DFDorsiflexion
DFDigital Forensics
DFDobbs Ferry (New York)
DFDepth Finder
DFDown Forward (video game)
DFDisposal Facility
DFDiscount Factor
DFDean of the Faculty
DFDesign Flow
DFDemocratic Front (India)
DFDeep Forest (band)
DFDungeon Family (Collection of Bands)
DFDog Fight (air-to-air combat)
DFDuty Factor
DFDedicated File
DFDrilling Fluid
DFDioxins and Furans
DFDespair Faction (website)
DFDamage Free
DFDisposition Form
DFDistricto Federal
DFDarling Fiancee
DFDelivery Function
DFDark Future (role playing game)
DFDegree Fahrenheit
DFDermatofibroma (skin tumor)
DFDistribution Frame
DFDefender of the Faith
DFDeep Freezer (storage and preservation)
DFDeuterium Fluoride
DFDifference Frequency
DFDigital Fortress (book)
DFDefensive Fire
DFDistance Formula
DFDensity Factor
DFDecode and Forward
DFDistriktsidrottsförbund (Swedish Gymnastics Federation)
DFDevice Flag
DFDiamond Frame (bicycle)
DFDead Fantasy (anime)
DFDigital Fingerprint
DFDynaFlat (Samsung monitor)
DFDouble Flag
DFDeblocking Filter
DFDecontamination Factor
DFDielectric Film
DFDose Factor
DFDestroyer Flotilla
DFDevelopment Flight
DFData Formatter
DFDead Freight
DFDispersion Factor
DFDecimation Factor
DFDirect Fulfillment (contract manufacturer sends product directly to the customer)
DFDead Files
DFDelivery Facility (Canada Post)
DFDelay Fault
DFDuplex Filter
DFDark Falz (Phantasy Star Online boss, gaming)
DFDynamic Flux
DFDanske Folkedanseres (Denmark)
DFDie Famous
DFDark Friend
DFDynamo Field (automotive electronics)
DFDark Faction (video game)
DFDimensional Fact (data warehouse model)
DFDouble Feeder
DFDissociation Factor (chemistry)
DFThe Elder Scrolls: Daggerfall (computer game)
DFDuelField (online game)
DFDelay Fuze
DFDemodulation Filter
DFDrainage Frequency
DFDhammakaya Foundation
DFDroopy Flange
DFDuck Farm, Inc.
DFDysfunctional Fighters (gaming clan)
References in periodicals archive ?
2] represents the fundamental of outer rotor) and sometimes difference frequency and sum frequency components of inner rotor and outer rotor are present; the low frequency components such as (1/2)[X.
The output of the mixer is filtered to eliminate all but the first-order difference frequency, ([f.
Now, consider that the difference frequency measured is actually caused by two factors -- the round-trip propagation time and any (positive or negative) Doppler shift caused by the rate of change of distance.
In this paper, The finite difference frequency domain (FDFD) formulations have been developed for chiral materials analysis, and the validity of the formulations for one and two dimensional scattering problems has been proved by comparing the numerical results to exact solutions whenever possible.
In the case that they accelerate at the same rate, this technique yields a constant difference frequency of the order of 1 MHz for a few millimeters of free-fall separation.
Now the data spectrum spans multiplies of 500 kHz, and because the difference frequency between the interferer and the signal carrier is only 100 kHz the spectra of the pair of terms under the summation sign in Equation 4 will overlap considerably, making the use of two independent demodulators impractical.
The difference frequency (antenna B frequency - antenna A frequency) observed for a signal received from any direction varies with time, as shown in Figure 3.
The frequency corresponding to this position could be either the sum or difference frequency (i.
The microwave power at difference frequency may not be recycled.
This coefficient is the peak amplitude volt-age of the difference frequency output.
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