Glossaryο
The purpose of this document is to provide a reference for acronyms and terms used in the Libre Space Foundation community and contributors may cross reference any of the supplied terms.
- ABο
Abstract
- ABCLο
As-built Configuration Data List
- ACο
Alternating Current
- ACIο
Adjacent Channel Interference
- ACSο
Attitude Control System
- ACUο
Antenna Control Unit
- ADCο
Analog to Digital Converter
- ADCSο
Attitude Determination and Control System
- AFSKο
Audio Frequency Shift Keying
- AFTο
Abbreviated Functional Test
- AGCο
Automatic Gain Control
- AGPLο
Affero General Public Licence
- AIο
Artificial Intelligence
- AITο
Assembly Integration and Testing
- AIVο
Assembly Integration and Verification
- AMο
Amplitude Modulation
- AMSATο
Amateur Satellite
- AOCSο
Attitude and Orbit Control System
- AOSο
May refer to: Acquisition Of Signal or, Advanced Orbiting Systems
- AoVο
Angle of View
- APIο
Application Programming Interface
- APTο
Automatic Picture Transmission
- ARMο
Advanced RISC Machines
- ARRLο
American Radio Relay League
- ARTESο
Advanced Research in Telecommunications Systems
- ASICο
Application-Specific Integrated Circuit
- ASWο
Address and Synchronization Word
- AXIο
Advanced eXtensible Interface
- B2Bο
Business to Business
- B2Cο
Business to Consumer
- BaLunο
Balanced to Unbalanced
- BMUο
Battery Management Unit
- BERο
Bit Error Rate
- BOMο
Bill Of Materials
- BRο
Brochure
- BPFο
Band Pass Filter
- BPbisο
Bundle Protocol
- BPSKο
Binary Phase Shift Keying
- BSDο
Berkeley Software Distribution
- CADο
Computer Aided Design
- CANο
Controller Area Network
- CAN-FDο
Controller Area Network Flexible Data-rate
- CC-BY-SAο
Creative Commons Attribution-ShareAlike
- CCDο
Contract Closure Documentation
- CCIο
Co-channel Interference
- CCSDSο
Consultative Committee for Space Data Systems
- CDRο
Critical Design Review
- CEPTο
European Conference of Postal and Telecommunications Administrations
- CERNο
Center for European Nuclear Research
- CERN-OHLο
CERN Open Hardware Licence
- CFDPο
CCSDS File Delivery Protocol
- CIο
Continuous Integration
- CI/CDο
Continuous Integration/Continuous Development
- CIDLο
Configuration Item Data List
- CNCο
Computer numerical control
- COLDSUNο
COmmunications reLay for Deep-Sea Underwater Networks
- COMMSο
Communications
- CONOPSο
Concept of Operations
- COTSο
Commercial off the Self
- CPLDο
Complex Programmable Logic Device
- CPUο
Central Processing Unit
- CRCο
Cyclic Redundancy Check
- CSPο
Content Security Policy
- CSSο
Cascading Style Sheet
- CVο
Cirriculum Vitae
- CVCMο
Collected Volatile Condensable Material
- CWο
Continuous Wave
- Dο
Deliverable
- DACο
Digital to Analog Converter
- dBο
Decibel
- DBο
Database
- DCο
Direct Current
- DDRο
Double Data Rate
- DLο
Deep Learning
- DMο
Development Model
- DMSAο
Deployable Multifuction Solar Array
- DPο
Data Package
- DRο
Design Review
- DSNο
Deep Space Network
- DSPο
Digital Signal Processing
- DTNο
Delay and Disruption-Tolerant Networking
- DUTο
Device Under Test
- DUVο
Data Under Voice
- DVB-RCSο
Digital Video Broadcasting - Return Channel via Satellite
- DVB-S2ο
Digital Video Broadcasting - Satellite -Second Generation
- Eb/N0ο
Energy per bit to noise power spectral density ratio
- E2Eο
End-to-End
- ECCο
Error-correcting code
- ECCSο
Emergency Communication Cell over Satellite
- ECSSο
European Cooperation for Space Standardization
- EDACο
Error Detection And Correction
- EDENο
EGSE Data Exchange Network
- EDRSο
European Data Relay Satellite System
- EDVο
Energy Detection Value
- EGSEο
Electrical Ground Support Equipment
- EIRPο
Equivalent isotropically radiated power
- EMο
May refer to: a) Engineering Model b) Electrical Model
- EMCο
ElectroMagnetic Compatibility
- EMIο
ElectroMagnetic Interference
- eMMCο
embedded Multi-Media Controller
- EMSο
Emergency Management Services
- ENBWο
Equivalent noise bandwidth
- ENOBο
Effective number of bits
- EOο
Earth Observing
- EPSο
Electrical Power System
- Es/N0ο
symbol energy to noise ratio
- ESAο
European Space Agency
- ESOCο
European Space Operations Center
- ESRο
Executive Summary Report
- ESSBο
ESA Standardization Steering Board
- ESTECο
European Space Research and Technology Center
- ETAο
Estimated Time of Arrival
- EURο
Euro
- FARο
Final Acceptance Review
- FDIRο
Failure Detection, Isolation and Recover
- FEAο
Finite Element Analysis
- FECο
Forward Error Correction
- FITSο
Flexible Image Transport System
- FFTο
Fast Fourier Transform
- FMο
May refer to: Flight Model or, Frequency Modulation
- FMCο
FPGA Mazzanine Card
- FOCο
Full Operational Capability
- FOSDEMο
Free and Open Source Developers European Meeting
- FORο
Frame Of Reference
- FORTHο
Foundation for Research and Technology Hellas
- FOVο
Field of View
- FPο
Final Presentation
- FPGAο
Field Programmable Gate Array
- FRο
Final Report
- FSKο
Frequency Shift Keying
- G/Tο
Gain-to-noise-temperature
- GBο
Giga Byte
- GCCο
GNU Compiler Collection
- GEOο
Geostationary Equatorial Orbit
- GESTRAο
German Experimental Space Surveillance and Tracking Radar
- GFSKο
Gaussian Frequency Shift Keying
- GHzο
Giga Hertz
- GLONASSο
Global Navigation Satellite System
- GMATο
General Mission Analysis Tool
- GmbHο
Gesellschaft mit beschrΓ€nkter Haftung: German for a limited liability company
- GNSSο
Global Navigation Satellite System
- GPCPUο
General Purpose CPU
- GNUο
GNUβs Not Unix
- GPLο
GNU General Public License
- GPSο
Global Positioning System
- GPSdο
Global Positioning System Data
- GPSDOο
GPS-Disciplined Oscillator
- GRAVESο
Grand RΓ©seau AdaptΓ© Γ la Veille Spatiale
- gRPCο
gRPC Remote Procedure Calls
- GSο
Ground Station
- GSEο
Ground Support Equipment
- GSPSο
Giga Samples per Second
- GSoCο
Google Summer of Code
- GUIο
Graphical User Interface
- HALο
Hardware Abstraction Layer
- HDF5ο
Hierarchical Data Format
- HDLο
Hardware Description Language
- HEEQο
Heliocentric Earth Equatorial
- HEOο
Highly Elliplical Orbit
- HFTο
Hidden Factors as Topics
- HPAο
High Power Amplifier
- HPCο
May refer to: a) High-performance Computing b) High Pin Count
- HQο
Head-Quarters
- HTMLο
Hyper Text Markup Language
- HWο
Hardware
- I2Cο
Inter-Integrated Circuit
- IaCο
Infrastructure as Code
- IARUο
International Amateur Radio Union
- ICο
Integrated Circuit
- ICTο
Information and Communication Technology
- IDEο
Integrated Development Environment
- IDLEο
Integrated Development Environment
- IEEEο
Institute of Electrical and Electronics Engineers
- IESLο
Institue of Electronic Structure and Laser
- IFο
Intermediate Frequency
- IFFTο
Inverse Fast Fourier Tranform
- IOο
Input/Output
- IOCRο
In-Orbit Commissioning Review
- IODο
In-Orbit Demostration
- IOTο
Internet Of Things
- IQο
In-phase/Quadrature
- IPο
Implementation Plan
- IP3ο
Third-order intercept point
- IPNDο
IP-based Neighbor Discovery
- IPv4ο
Internet Protocol version 4
- IPv6ο
Internet Protocol version 6
- ISIο
Intersymbol Interference
- ISMο
Industrial, Scientific, and Medical
- ISONο
International Scientific Optical Network
- ISSο
International Space Station
- ITTο
Invitation To Tender
- ITUο
International Telecommunication Union
- ITU-Rο
International Telecommunication Union - Radiocommunications
- ITU RRο
ITU Radio Regulations
- JAXAο
Japan Aerospace Exporation Agency
- JPLο
Jet Propulsion Laboratory
- KOο
Kick-Off
- KOMο
Kick-Off Meeting
- LCNSο
Lunar Communication and Navigation System
- LDPCο
Low-Density Parity Check
- LGPLο
GNU Lesser General Public License
- LEDSATο
LED-based Small SATellite
- LEOο
Low Earth Orbit
- LEOPο
Launch and Early Orbit Phase
- LFSRο
Linear-Feedback Shift Register
- LNAο
Low Noise Amplifier
- LOο
Local Oscillator
- LOSο
May refer to a) Line of Sight b) Loss Of Signal
- LRPTο
Low-Resolution Picture Transmission
- LRRο
Laser Retro Reflector
- LSFο
Libre Space Foundation
- LSTMο
Long Short-Term Memory
- LSTNο
Library Space Technology Network
- LTANο
Local Time of the Ascending Node
- LVDSο
Low Voltage Differential Signalling
- LVTTLο
Low Voltage TTL
- M2Mο
Machine To Machine
- MAIVο
Manufacturing, Assembly, Integration and Verification
- MBο
Mega Byte
- MCCο
Mission Control Center
- MCMCο
Markov Chain Monte Carlo
- MCORο
Mission Close-Out Review
- MCTο
Mission Control Software
- MCUο
Micro-Controller Unit
- MDSο
Minimum Detectable Signal
- MEMSο
Micro-Electro-Mechanical Systems
- MEOο
Medium Earth Orbit
- MEXο
Mars Express
- MGSEο
Mechanical Ground Support Equipment
- MHzο
Mega Hertz
- MIBο
Mission Information Base
- MIMOο
Multiple-Input, Multiple-Output
- MITο
Massachusetts Institute of Technology
- MLο
Machine Learning
- MLRRο
Modulated Laser Retro-Reflector
- MoMο
Minutes of Meeting
- MOOCο
Massive Open Online Course
- MPLο
Mozilla Public License
- MPPTο
Maximum Power Point Tracker
- MPRο
Monthly Progress Reports
- MRGο
Microelectronics Research Group
- MRRο
Modulated Laser Retro-Reflector
- MSο
Milestone
- MSKο
Minimum Shift Keying
- MSPSο
Mega Samples per Symbol
- MSSο
Mobile Satellite Service
- NASAο
National Aeronautics and Space Administration
- NEC2ο
Numerical Electromagnetics Code Version 2
- NFο
Noise Figure
- NISTο
National Institute of Standards and Technology
- NORADο
North American Air Defense Command
- NRZ-Mο
Non-Return-to-Zero Mark
- NS-3ο
Network Simulator 3
- NSLο
NearSpace Launch
- NTEο
Nanosatellite Tracking Experiment
- OBCο
On-Board Computer
- OBSWο
On-Board Software
- OCSο
Orbit Control System
- ODMο
Orbit Data Message
- OEMο
May refer to: a) Original Equipment Manufacturer b) Orbit Ephemeris Message
- OOLο
Out-of-Limits
- OOTο
Out-of-Tree (GNURadio Out-of-tree module)
- OpenEMSο
Open Source Energy Management System
- OpenSatComο
Open Satellite Communications
- OPSο
(Space) Operations
- OSο
Operating System
- OS3ο
Open Source Satellite Simulator
- OSCWο
Open Source Cubesat Workshop
- OSDLPο
Open Space Data Link Protocol
- OSIο
May refer to a) Open Systems Interconnection b) Open Source Initiative
- OTAο
Optical Tube Assembly
- OTPο
One time programmable
- PAο
Power Amplifier
- PAPRο
Peak to Average Power Ration
- PCο
May refer to: a) Project Coordinator b) Personal Computer
- PCBο
Printed Circuit Board
- PCDUο
Power Conditioning and Distribution Unit
- PCIeο
Peripheral Component Interconnect Express
- PDMο
Product Data Management
- PDRο
Preliminary Design Review
- PLο
Processing Logic
- PLLο
Phased Locked Loop
- PLMο
Product Lifecycle Management
- PMICο
Power management integrated circuits
- PNTο
Positioning, Navigation and Timing
- PoCο
Proof of Concept
- PoEο
Power over Ethernet
- POSIXο
Portable Operating System Interface for Unix
- PQο
PocketQube
- PSKο
Phase-Shift Keying
- PSLVο
Polar Satellite Launch Vehicle
- PVο
Photovoltaics
- PWMο
Pulse-width Modulation
- PWPο
Project Web Page
- QAο
Quality Assurance
- QPSKο
Quadrature Phase Shift Keying
- QSFPο
Quad Small Form-factor Pluggable transceiver
- R&Dο
Research & Development
- RAANο
Rigth Ascension of the Ascending Node
- RAMο
Random Access Memory
- RDο
Reference Document
- RESTο
Reprentational State Transfer
- RFο
Radio Frequency
- RFMCο
RF Mezzanine Card
- RFQ
Request For Quote
- RFSoC
RF System on Chip
- RHCP
Right Hand Circular Polarized
- RILDOS
Radio with Identity and Location Data for Operations and SSA
- RPC
Remote Procedure Calls
- RR
Requirements Review
- RSSI
Received Signal Strength Indication
- RTC
Real Time Clock
- RTOS
Real Time Operating System
- RW
Reaction Wheel
- RX
Receiver/Reception
- SANA
Space Assigned Numbers Authority
- SATA
Serial Advanced Technology Attachment (hard disk interface)
- SATCOM
Satellite Communication
- SatNOGS
Satellite Network Open Ground-Station
- SAW
Surface Acoustic Wave
- SBC
Single Board Computer
- SC
Spacecraft
- SDA
Space Data Association
- SDLS
Space Data Link Security
- SDN
Software Defined Networking
- SDR
May refer to: a) Software Defined Radio b) System Design Review
- SGP4
Standard General Perturbations Satellite Orbit Model 4
- SEE
Single-event effects
- SESP
Simulation for European Space Programmes
- SEU
Single-event upset
- SFCG
Space Frequency Coordination Group
- SFPT
Satellite Functions and Performance Test
- SHF
Super High Frequency (3-30 GHz)
- SIDLOC
Satellite Identification and Localisation
- SiDs
Simple Downlink Share Convention Protocol
- SigMF
Signal Metadata Format
- SIMD
Single Instruction, Multiple Data
- SLE
Space Link Emulator
- SMA
SubMiniature version A
- SMT
Surface Mount Technology
- SNR
Signal-to-noise ratio
- SNS
Satellite Network Simulator
- SNS3
Satellite Network Simulator
- SoC
System On a Chip
- SOS
Space Operation Service
- SoW
Statement of Work
- SPENVIS
Space Environment, Effect and Education System
- SPI
Serial Peripheral Interface
- SPOC
Spacecraft Operation Center
- SPP
Space Packet Protocol
- SQNR
Signal-to-quantization-noise ratio
- SRF
Software Reuse File
- SRS
Space Research Service
- SSA
Space Situational Awareness
- SSN
Space Surveillance Network
- SSO
Sun-Synchronous Orbit
- SST
Space Surveillance and Tracking
- STM
Space Traffic Management
- SW
Software
- SWR
Standing Wave Radio
- TAS
Technical Achievement Summary
- TBD
To Be Described
- TC
Tele-command
- TC&C
Tele-command & Control
- TCP
Transmission Control Protocol
- TCXO
Temperature-compensated crystal oscillator
- TDM
Tracking Data Message
- TDMA
Time Division Multiple Access
- TDP
Technical Data Package
- TID
Total Ionizing Dose
- TJD
Truncated Julian Day
- TLE
Two Line Element set
- TM
Telemetry
- TML
Total Mass Loss
- TMR
Triple Mode Redundancy
- TMTC
Telemetry & Tele-control
- TN
Technical Note
- TRL
Technology Readiness Level
- TRR
Test Readiness Review
- TT&C
Telemetry, Tracking and Command
- TTL
Transistor-transistor logic
- TVAC
Thermal Vacuum Chamber
- TWT
Travelling-wave Tube
- TX
Transmit
- UART
Universal Asynchronous Receiver - Transmitter
- UAS
Unmanned Aircraft Systems
- UHF
Ultra High Frequency (0.3 - 3 GHz)
- UI
User Interface
- UNOOSA
United Nations Office for Outer Space Affairs
- USB
Universal Serial Bus
- USLP
Unified Space Link Protocol
- USRP
Universal Software Radio Peripheral
- UTC
Universal Time Co-ordinated
- UX
User Experience
- V&V
Verification and Validation
- VAT
Value Added Tax
- VBat
Voltage of Battery
- VCO
Voltage - Controlled Oscillator
- VGA
Variable Gain Amplifier
- VIES
VAT Information Exchange System
- VHF
Very High Frequency (30 - 300 MHz)
- VNA
Vector Network Analyzer
- VOLK
Vectorized Library of Kernels
- VHDL
VHSIC Hardware Description Language
- VPL
Visual Programming Language
- WBS
Work Breakdown Structure
- WP
Work Package
- WPD
Work Package Description
- WRC
World Radiocommunication Conferences
- YAML
YAML Ainβt Markup Language
- ZMQ
ZeroMQ