| AACS |
attitude and articulation control subsystem |
| ABET, Inc. |
Accreditation Board for Engineering and Technology |
| ACORDE |
Advanced Communications Research and Development, S.A. (Santander, Spain) |
| AG |
auxiliary generator |
| AM |
amplitude modulation |
| |
|
| BMDO |
U. S. Ballistic Missile Defense Organization |
| |
|
| CMOS |
complementary metal oxide semiconductor |
| COA |
coupled-oscillator array |
| CPG |
central pattern generator |
| CPM |
constant-phase modulation |
| CTTC |
Centre Tecnologic de Telecomunicacions de Catalunya (Barcelona, Spain) |
| |
|
| dBc |
decibels relative to the carrier |
| dBm |
decibels referenced to milliwatts |
| dc, DC |
direct current |
| DC bias |
bias voltage associated with a direct-current system |
| d.e. |
differential equation |
| deg |
degree |
| |
|
| E-plane |
plane containing the electric field intensity vector |
| Eq. |
Equation |
| EuCAP |
European Conference on Antennas and Propagation |
| |
|
| FET |
field effect transistor |
| FFT |
fast Fourier transform |
| |
|
| GCD |
Global Communications Devices (North Andover, Massachusetts) |
| GHz |
gigahertz |
| GMSK |
Gaussian minimum-shift keying |
| GSM |
Global System for Mobile Communications |
| GTRI |
Georgia Tech Research Institute |
| |
|
| H-plane |
plane containing the magnetic field intensity vector |
| HSOM |
harmonic self-oscillating mixer |
| |
|
| IEE |
Institution of Electrical Engineers |
| IEEE |
Institute of Electrical and Electronics Engineers |
| IET |
Institution of Engineering and Technology |
| IRE |
Institute of Radio Engineers |
| IF |
intermediate frequency |
| ILR |
inverse locking range |
| |
|
| JPL |
Jet Propulsion Laboratory |
| |
|
| L-band |
frequency range between 390 and 1550 MHz |
| LCP |
liquid-crystal polymers |
| LMDS |
local multipoint distribution service |
| LMS |
least mean square |
| |
|
| MESFET |
metal semiconductor field-effect transistor |
| MHz |
megahertz |
| MMIC |
monolithic microwave integrated circuit |
| mr |
milliradian |
| Ms−1 |
mega inverse seconds |
| |
|
| NARRA |
Novel Architectures for Reconfigurable Reflectarrays and Phased Array Antennas |
| NASA |
National Aeronautics and Space Administration |
| nH |
nanohenry |
| ns |
nanosecond |
| |
|
| pF |
picofarad |
| pHEMT |
pseudomorphic high electron mobility transistor |
| PLL |
phase-locked loop |
| PM |
phase modulation |
| |
|
| R.A.C. |
Radio Antenna Communications (Milan, Italy) |
| Ref. |
reference |
| RF |
radio frequency |
| RFCSET |
RF/Microwave Communication Subsystems for Emerging Wireless Technologies |
| RFID |
radio-frequency identification |
| RLC |
resistance, inductance, capacitance |
| RoM |
reduced order model |
| |
|
| S-band |
RF frequencies 1550–5200 MHz |
| SIW |
substrate integrated waveguide |
| SOM |
self-oscillating mixer |
| SWAP |
(Marie Curie Industry-Academia Pathways and Partnerships project) Symbiotic Wireless Autonomous Powered system |
| |
|
| USNC/URSI |
U.S. National Committee (USNC) of the Union Radio Scientifique Internationale |
| UWB |
ultra-wideband |
| |
|
| V |
volt |
| VCO |
voltage- controlled oscillator |
| VHF |
very high frequency |
| VNA |
vector network analyzer |
| VSA |
vector signal analyzer |
