The following abbreviated terms are defined and used within this Standard.
|
Abbreviation |
Meaning |
|
AOCS |
attitude and orbital control system |
|
DGD |
direct gradient discharge |
|
EMC |
electromagnetic compatibility |
|
emf |
electro-motive force |
|
EP |
electric propulsion |
|
ESD |
electrostatic discharge |
|
ETFE |
ethylene-tetrafluoroethylene copolymer |
|
eV |
electron volt (also keV, MeV) |
|
FEEP |
field emission electric propulsion |
|
FEP |
fluoroethylene-propylene |
|
GEO |
geostationary Earth orbit |
|
HEO |
highly eccentric orbit |
|
ISS |
International Space Station |
|
IVG |
inverted voltage gradient |
|
IVGD |
inverted voltage gradient discharge |
|
LEO |
low Earth orbit |
|
MEMS |
micro-electromechanical system(s) |
|
MEO |
medium (altitude) Earth orbit |
|
MLI |
multi-layer insulation |
|
MLT |
magnetic local time |
|
NASA |
National Aeronautics and Space Administration |
|
NGD |
normal gradient discharge |
|
PCB |
printed circuit board |
|
PEO |
polar Earth orbit |
|
PTFE |
poly-tetrafluoroethylene |
|
PVA |
photo-voltaic assembly |
|
r.m.s. |
root-mean-square |
|
SAS |
solar array simulator |
|
SPT |
stationary plasma thruster |
|
SSM |
second surface mirror |
|
UV |
ultra-violet light |