HD

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AcronymDefinition
HDHigh Definition
HDHard Drive
HDHarley-Davidson
HDHeavy Duty
HDHigh Density
HDHuman Developement (course of study)
HDHard Disk
HDHome Depot, Inc. (NYSE symbol)
HDHead
HDHybrid Digital (radio technology)
HDHold
HDHyundai
HDHonda
HDHappy Days (TV show)
HDHenry Draper (star catalog)
HDHilary Duff
HDHundred
HDHuntington's Disease
HDHot Dog
HDHeidelberg
HDHome Decor
HDHelp Desk
HDHome Defense
HDHeart Disease
HDHome Delivery
HDHarmonic Distortion
HDHögsta Domstolen (Swedish supreme court of justice)
HDHigher Diploma
HDHalf Day
HDHalf-Duplex
HDHistoric District
HDHairdresser
HDHot Date (The Sims expansion pack)
HDHuddersfield (postcode, United Kingdom)
HDHigh Distortion
HDHomeland Defense
HDHemodialysis
HDHazardous Drug
HDHodgkin's Disease
HDHelper-Dependent (genes)
HDHip Dysplasia
HDHydrodynamic
HDMustard Gas
HDHemorrhagic Disease
HDHelsingborgs Dagblad (Swedish newspaper)
HDHigh Dive
HDHit Dice (role-playing games)
HDHall Director
HDHealth Division
HDHand Dryer (building services)
HDHonorary Degree
HDHemodynamically (stable)
HDHonorable Discharge
HDHighway Department
HDHoe Down (party)
HDHigh Distinction (grade)
HDHyperactive Disorder
HDHousing Department
HDHorizontal Distance
HDHigh Dispersion
HDHazel Dell ( town in SW Washington)
HDHuman Dimension
HDHelm's Deep (JRR Tolkien's The Two Towers)
HDHeaven's Disciples (Christian urban music)
HDHouse Document (USACE)
HDHumanitarian Demining (US Government unexploded ordnance mission areas)
HDHüsker Dü (band)
HDHeat Detector
HDHomeopathic Doctor
HDHydatid Disease
HDHot Desk
HDHarbor Defense
HDHighly Dispersed
HDHigh-Drag
HDHeavy Drop
HDHidden Desire
HDHip-Disarticulation (amputation)
HDHurricane Days
HDHarmonization Document
HDHexanedione
HDHeavy Defense (gaming)
HDHardware Disease (traumatic reticulopericarditis caused by foreign bodies in cattle)
HDHrvatski Dragovoljac (Croatian: Volunteer; Zagreb football club)
HDHelicopter Director
HDHumidity Detector
HDHepatosis Dietetica
HDHeloma Durum
HDHeavy Decoy
HDHorizontal Decelerator
HDHousehold Drivers
HDHalf Sized Diazo Non-Reproducible Drawing
HDHydraulic Fluid, Diving
References in periodicals archive ?
However there are loads and devices on the system that have nonlinear characteristic which is affected both voltage and current signal and result in harmonic distortion causing poor power quality.
Thus it is used for reducing the harmonics by using the Total Harmonic Distortion (THD) method by which we gain the two voltages of the system in a reduced form and the hardware reads the voltage, frequency of the system.
In addition to THD, this harmonic distortion multimeter can compute THD+Noise and Signalto-Noise plus Distortion (SINAD).
One customer's harmonic distortion can interfere with the quality of a neighboring customer's electricity.
In addition to the adverse affects of harmonic distortion mentioned above, low power factor also results in the need to oversize all aspects of the power installation--from the UPS itself all the way back to the utility transmission level.
In the above multiple socket plug, the loads and filters are connected in different combinations and the reduction in harmonic distortion are monitored in the Matlab.
The increased in harmonic distortion causes the extra heating losses, shorter insulation life span, higher insulation stress and temperature, reduced power factor and efficiency of the electrical equipment.
The harmonic distortion for a synthesized 5 kHz sine wave was more than 100 dB below the fundamental.
Specifically targeted to communications applications, the instrument includes semi-automated routines to measure adjacent and main channel powers, as shown in Figures 1 and 2, respectively, as well as occupied bandwidth, harmonic distortion and power levels below the carrier.
This research paper presents the theoretical, simulation and empirical based harmonic distortion analysis.
The parameters that define the audio quality of a single-tone sine wave are signal-to-noise ratio (SNR), total harmonic distortion (THD), and signal-to-noise and distortion ratio (SINAD), also known as total harmonic distortion plus noise (THD+N).