| number of available radar objects |
one r&s®smw-k78 option
one or two r&s®smw-b14 installed |
path a: up to 6 |
| |
one r&s®smw-k78 option
four r&s®smw-b14 installed |
path a: up to 12 |
| |
two r&s®smw-k78 options
two r&s®smw-b14 installed |
path a: up to 6
path b: up to 6 |
| |
two r&s®smw-k78 options
four r&s®smw-b14 installed |
path a: up to 12
path b: up to 12 |
| bandwidth |
|
up to 160 mhz |
| test setups |
radar under test (rut) is directly connected to the r&s®smw200a ( r&s®fsw) via cable |
conducted test |
| |
rut and r&s®smw200a ( r&s®fsw) are equipped with antennas and connected via air interface |
over-the-air (ota) test |
| radar rx power setting |
calculation of power received by rut regarding two-way radar equation |
radar equation |
| |
power received by rut is set manually |
manual |
|
simulation setup
|
| system latency calibration |
r&s®smw-k78 measures the internal system (r&s®fsw r&s®smw200a) latency automatically
(only available in transmit signal mode: external baseband via r&s®fsw r&s®smw-b10) |
automatic |
| |
user measures internal latency with external equipment (e.g. scope) |
manual |
|
object configuration
|
| object type |
arbitrary object types can run at the same time |
|
| |
echo is not generated |
off |
| |
echo for objects with variable range and constant velocity > 0 m/s is generated |
moving |
| |
echo for objects with constant range and no velocity is generated |
static |
| |
echo for objects with constant range and constant velocity > 0 m/s is generated |
static moving |
| parameters common to all object types |
| object name |
|
define 15-digit name |
| range |
|
|
| setting range |
use radar range ambiguity to reduce min. range: off |
2.1 km to 10 000 km |
| |
use radar range ambiguity to reduce min. range: on |
0.0001 km to 10 000 km |
| setting resolution |
|
0.1 m |
| rcs |
power setting: radar equation |
|
| model |
|
swerling 0 |
| setting range |
|
–60 dbsm to 100 dbsm |
| setting resolution |
|
0.1 dbsm |
| parameters for moving objects |
| simulation mode |
object moves back to start position with set velocity after reaching its end position |
round trip |
| object velocity |
|
|
| setting range |
the maximum doppler shift of 190 khz
must not be exceeded |
0.001 ms to vmax
vmax = 750 m/s or
(190 khz / 2f ) × c, whichever is lower |
| setting resolution |
|
0.001 m/s |
| parameters for static moving objects |
| object velocity |
|
|
| setting range |
the maximum doppler shift of 190 khz
must not be exceeded |
0.001 ms to vmax
vmax = (190 khz / 2f ) × c |
| direction |
object flies toward rut |
approaching |
| |
object flies away from rut |
departing |
| simulation quantization (moving) |
| update delay increment |
object velocity ≥ 75 m/s |
500 ps |
| |
object velocity < 75 m/s |
50 ps |
| update rate delay |
depending on object velocity |
max. 2 mhz |
| update rate power |
depending on object velocity |
max. 10 khz |