DC-OSIMS stands for Damage Control Operating Space Item Management System (US Navy)
DC-MUSIC stands for Differential Correlation Multiple Signal Classification
DC-MF stands for Differential Correlation Matched Filter
DC-MDVC stands for Drift Compensated Multiple Description Video Coding
DC-MUD stands for De-Correlating Multi-User Detector (communications)
DC-LD stands for Diagnostic Criteria for Psychiatric Disorders for Use with Adults with Learning Disabilities/Mental Retardation
DC-HSUPA stands for Dual Carrier-High Speed Uplink Packet Access
DC-HSDPA stands for Dual Carrier-High Speed Downlink Packet Access (telecommunications)
DC-EST stands for Dual Channel Emitter Switched Thyristor
DC-E stands for Director of Communications-Electronics