SDR

Look up SDR in Wiktionary, the free dictionary.

SDR may refer to:

Business

• sales development representative
• Special drawing rights, foreign-exchange reserve assets by IMF

Places

• Santander Airport, IATA airport code
• Southern Distributor Road, Newport, UK

Reports and reviews

• Strategic Defence Review of the UK MoD
• System Design Review of a program, US
• Swiss Derivatives Review

Economics, maths and science

• System of distinct representatives, in mathematics
• Special drawing rights, in the International Monetary Fund
• Social discount rate, a measure of the value of diverting funds to social projects
• Selective dorsal rhizotomy, a neurosurgery

Technology

• ETSI Satellite Digital Radio
• Single data rate synchronous dynamic random-access memory (SDRAM)
• QRIO, originally "Sony Dream Robot"
• Software-defined radio, using software for modulation and demodulation
• Sparse distributed representation, in machine intelligence
• Standard dimension ratio in pipe engineering
• Standard dynamic range video
• XDR (audio) or Super Dynamic Range, for cassettes

Media and Entertainment

• Süddeutscher Rundfunk, broadcaster in occupied Germany
• SDR or Stardust Records, Stardust Promotion label