M   N   O   P   Q   R   S   T   U   V   W   Y  
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Q | |
| QA | Quality Assurance |
| QFP | Quad Flat Pack |
| QPSK | Quadrature Phase Shift Key |
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R | |
| R&M | Reliability and Maintainability |
| RAM | Reliability, Availability, Maintainability |
| RAM/ILS | Reliability, Availability, Maintainability/Integrated Logistics Support |
| RASSP | Rapid Prototyping of Application-Specific Signal Processors |
| RAZOR | Software Configuration Management Tool |
| RDBMS | Relational Database Management System |
| RDD-100 | System Design CAD Tool - Ascent Logic |
| RDE | RASSP Design Environment |
| RDIEM | Risk Driven Expanding Information Model |
| RDMS | Reuse Data Management System |
| RDOCH | RASSP Design Object Classification Hierarchy |
| REDM | RASSP Enterprise Data Module |
| REF | Rule Execution Facility |
| REMR | RASSP Enterprise Model Repository |
| RF | Radio Frequency |
| RFQ | Request for Quotation |
| RIC | Rockwell International Corporation |
| RIG | Reuse Library Interoperability Group |
| RINO | RACEway In/Out |
| RL | Rome Laboratory |
| RMGS | Recursive Modified Gram-Schmidt |
| RMWG | RASSP Methodology Working Group |
| RNI | Reconfigurable Network Interface |
| ROI | Return on Investment |
| RRDM | RASSP Reuse Data Manager |
| RRDOCH | RASSP Reuse Design Object Classification Hierarchy |
| RRTS | RASSP Run Time System |
| RSS | Reusable Software System |
| RTI | Research Triangle Institute |
| RTL | Register Transfer Level |
| RTM | Requirements Traceability Matrix |
| RTOK | Retest OK |
| RT | Real-Time |
| RTS | Run-Time System |
| RTWG | RASSP Terminology Working Group |
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S | |
| SAIP | Semi Automated IMINT Processing |
| SAL | Signal Processing Algorithm Library |
| SAR | Synthetic Aperture Radar |
| SBIR | Small Business Innovation Research |
| SBR | Space Based Radar |
| SCEA | Society of Cost Estimators and Analysts |
| SCRA | South Carolina Research Authority |
| SDD | Software Design Document |
| SDR | System Design Review |
| SDRAM | Synchronous Dynamic Random Access Memory |
| SDS | System Design Specification |
| SDWG | System Design Working Group |
| SE | Switching Element |
| SEM | Standard Electronic Module |
| SEMP | System Engineering Management Plan |
| SEMS | System Engineering Management Schedule |
| SES | Systems Engineering Station |
| SGI | Silicon Graphics Inc. |
| SHARC | Analogy Devices DSP |
| SIMD | Single Instruction, Multiple Data |
| SINCGARS | Single channel ground to air radio system |
| SIGINT | Signals Intelligence |
| SLOC | Source Lines of Code |
| SM | State Model |
| SNR | Signal-to-Noise Ratio |
| SOW | Statement of Work |
| SP | Signal Processor |
| SPAWAR | Navy Space and Warfare Center |
| SPC | Software Productivity Consortium |
| SPEAR | Signal Processing Environment Aiding debugging-RASSP |
| SPGN | Signal Processing Graph Notation |
| SPOX | Spectron DSP Operating System |
| SPW | Signal Processing Workstation |
| SPY-1 | Aegis Combat Radar |
| SQL | Standard Query Language |
| SRAM | Static Random Access Memory |
| SRP | Schematic Release Package |
| SRR | System Requirements Review |
| SRS | System Requirements Specification |
| SRT | Static Run-Time |
| SRTS | Static Run-Time System |
| SSI | Sandpiper Software Inc. |
| SSPP | Spread Spectrum Preprocessor Application |
| STA | Science and Technology Associates |
| STAP | Space Time Adaptive Processing |
| STARS | Joint Surveillance Target Attack Radar System |
| STEP | Standard for The Exchange of Product Data |
| STI | Stationary Target Indicator |
| STP | Singular Test Philosophy |
| STS | Self Test Services |
| SVD | Singular Value Decomposition |
| SVI | Standard Virtual Interface |
| SW (S/W) | Software |
| SWAP / SWP | Size, Weight, and Power |
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