a.c. | Alternating current |
AUT | Antenna under test |
CNC | Computer numeric control |
CNF | Cylindrical Near Field |
FASTCW | Fast continuous wave |
FF | Far field |
FFT | Fast Fourier Transform |
HP | Hewlett Packard |
IF | Intermediate frequency |
LO | Local oscillator |
NF | Near-field |
NFS | Near field scanner |
OEWG | open-ended waveguide |
PNF | Planar Near Field |
PWS | Plane wave spectrum |
RADAR | Radio detection and ranging |
RAM | RADAR absorbing material |
RCS | RADAR crossection |
REF | Reference |
RF | Radio frequency |
RS232 | serial communications link |
Rx | Receiving antenna |
SNF | Spherical Near Field |
TTL | Transistor transistor logic, typically 5V / 0V |
Tx | Transmitting antenna |
UHF | Ultra High Frequency |