SDR
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Look up SDR in Wiktionary, the free dictionary.
SDR may refer to:
Science and technology
[edit]- ETSI Satellite Digital Radio
- Selective dorsal rhizotomy, a neurosurgery
- Short-chain dehydrogenase, short-chain dehydrogenases/reductases family, SDR family
- Single data rate, in synchronous dynamic random-access memory (SDRAM)
- SmartDraw image file format, with file extension
.sdr
- Software-defined radio, enabling computers to tune a wide spectrum of radio frequencies, using software instead of hardware for modulation and demodulation
- Sony Dream Robot, later dubbed QRIO
- Sparse distributed representation, in machine intelligence
- Standard dimension ratio in pipe engineering
- Standard-dynamic-range video, color clarity and realism in images and videos, the current standard for video and cinema displays
- Super Dynamic Range, SDR (audio) or XDR, an encoding system for audio cassettes
- System of distinct representatives, in mathematics
Economics
[edit]- Special drawing rights, foreign-exchange reserve assets overseen by the IMF
- Social discount rate, a measure of the value of diverting funds to social projects
Media and entertainment
[edit]- Stardust Records, a Stardust Promotion label
- Süddeutscher Rundfunk, former public broadcaster in Germany, then merged into Südwestrundfunk (SWR)
- Swiss Derivatives Review, a magazine for the futures and options industries
Military
[edit]- Strategic Defence Review, of the UK MoD
- System Design Review of a program, US
Places
[edit]- Santander Airport (IATA airport code)
- Somali Democratic Republic
- Southern Distributor Road, Newport, Wales
Other uses
[edit]- Sales development representative
- School District of Reedsburg
- South Devon Railway, a heritage railway in England