Phase-shift keying (PSK) is a digital modulation scheme that conveys data by changing (modulating) the phase of a reference signal (the carrier wave).
The Dhivehi Qaumee Party (Maldivian: ދިވެހި ޤައުމީ ޕާޓީ) is a political party in the Maldives. It was registered with the Election Commission on 5 September 2008.
The Duhem–Quine thesis, also called the Duhem–Quine problem, after Pierre Duhem and Willard Van Orman Quine, is that it is impossible to test a scientific hypothesis in isolation, because an empirical test of the hypothesis requires one or more background assumptions (also called auxiliary assumptions or auxiliary hypotheses).
DQ (born Peter Andersen on 16 February 1973) is a Danish singer and drag queen who won the Danish Melodi Grand Prix 2007 and therefore represented Denmark in the Eurovision Song Contest 2007 with the song "Drama Queen".
Dopamine (contracted from 3,4-dihydroxyphenethylamine) is an organic chemical of the catecholamine and phenethylamine families that plays several important roles in the brain and body.
E. I. du Pont de Nemours and Company, commonly referred to as DuPont, is an American conglomerate that was founded in July 1802 as a gunpowder mill by French-American chemist and industrialist Éleuthère Irénée du Pont.
Depeche Mode /dᵻˌpɛʃˈmoʊd/ are an English electronic band that formed in 1980 in Basildon, Essex. The group consists of founders Dave Gahan (lead vocals, occasional songwriter since 2005), Martin Gore (guitar, keyboards, vocals, main songwriter since 1982), and Andy Fletcher (keyboards).
Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope U-235 than natural uranium.
A diphthong (/ˈdɪfθɒŋ/ DIF-thong or /ˈdɪpθɒŋ/ DIP-thong; from Greek: δίφθογγος, diphthongos, literally "two sounds" or "two tones"), also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable.
Diphenhydramine is an antihistamine mainly used to treat allergies. It is also used for insomnia, symptoms of the common cold, tremor in parkinsonism, and nausea.