SDE may refer to:

Science and technology

Screen-door effect The screen-door effect (SDE) is a visual artifact of displays, where the fine lines separating pixels (or subpixels) become visible in the displayed image. This effect can be seen in digital projector images and regular displays under magnifi ...

, a video display issue * Sebacoyl dinalbuphine ester, an analgesic *

Spectral density estimation In statistical signal processing, the goal of spectral density estimation (SDE) or simply spectral estimation is to estimate the spectral density (also known as the power spectral density) of a signal from a sequence of time samples of the signal ...

Stochastic differential equation A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, resulting in a solution which is also a stochastic process. SDEs have many applications throughout pure mathematics an ...

* Sub-divisional error, a read head error mechanism; see

Linear encoder A linear encoder is a sensor, transducer or readhead paired with a scale that encodes position. The sensor reads the scale in order to convert the encoded position into an analog or digital signal, which can then be decoded into position by a ...

Computing

* Semantic dictionary encoding * Software development engineer *

Software development environment An integrated development environment (IDE) is a software application that provides comprehensive facilities for software development. An IDE normally consists of at least a source-code editor, build automation tools, and a debugger. Some IDE ...

ArcSDE ArcSDE (Arc Spatial Database Engine) is a server-software sub-system (produced and marketed by Esri) that aims to enable the usage of relational database management systems for spatial data. The spatial data may then be used as part of a geodat ...

(Arc Spatial Database Engine), server-software * System development environment

Politics

Social Democratic Party (Estonia) The Social Democratic Party (, SDE) is a centre-left political party in Estonia. It is currently led by Lauri Läänemets. The party was formerly known as the Moderate People's Party (). The SDE has been a member of the Party of European Soc ...

* State delegate equivalents, a part of the US

Iowa caucuses The Iowa caucuses are quadrennial electoral events for the Democratic and Republican parties in the U.S. state of Iowa. Unlike primary elections, where registered voters cast ballots at polling places on election day, Iowa caucuses are ...

Transportation

* Vicecomodoro Ángel de la Paz Aragonés Airport (IATA code), an airport in Argentina *

Senai–Desaru Expressway Senai–Desaru Expressway (SDE; ; Malay language, Malay: ''Lebuhraya Senai–Desaru''), is an expressway in Johor, Malaysia. It connects Senai in central Johor to Desaru in eastern Johor. Measuring a total length of , it is the third east–west ...

, an expressway in Johor, Malaysia * Shadwell railway station (station code), a railway station in London, England

Other uses

* '' S.D.E.'', a 2000 album by Cam'ron * Self defined ethnicity, an ethnic classification code used by the British government and police *

Self-directed education Unschooling is a practice of self-driven informal learning characterized by a lesson-free and curriculum-free implementation of homeschooling. Unschooling encourages exploration of activities initiated by the children themselves, under the b ...

, self-learning

Science and technology

Computing

Politics

Transportation

Other uses

See also