SAR Properties reports all the settings
in the Radar Basic->SAR property page. In order for SAR to be
enabled, the radar must be on a satellite, missile or
aircraft.
| Name |
Dimension |
Type |
Description |
| Enabled |
Unitless |
Text |
Reports out if the SAR (synthetic aperture radar)
mode has been turned on. |
| Integration Time |
TimeUnit |
Real Number |
Reports out the constraint values applied to
integration time - the fixed integration time or time to achieve
the desired azimuth resolution, depending on the setting of the
analysis mode when defining the radar. |
| Azimuth
Resolution |
DistanceUnit |
Real Number |
Reports out the constraint values applied to
azimuth resolution - the fixed azimuth resolution or the resolution
achievable within the desired integration time, depending on the
setting of the analysis mode when defining the radar. |
| MNR |
RatioUnit |
Real Number |
Reports out the multiplicative noise ratio - the
contribution of ambiguous range and side-lobe returns to the image
formation process. The default value is -20 dB. |
| PRF |
PRFUnit |
Real Number |
Reports out the pulse repetition frequency - range:
0.1 to 1000 kHz. |
| Unambig Range |
DistanceUnit |
Real Number |
Reports out the desired target range for which
unambiguous data is required. The Range is ambiguous where the true
target range is greater than the ambiguous range as computed by
radar. The Unambiguous Range constraint denies access when the
range is ambiguous (i.e. it enforces a low PRF mode). |
| Az Broad Factor |
Unitless |
Real Number |
Reports out this analysis weighting factor to
compensate for signal processing losses in the azimuth dimension
when SAR mode is enabled. The default value is 1.2 and can be
changed by the user. |
| Rng Broad Factor |
Unitless |
Real Number |
Reports out this analysis weighting factor to
compensate for signal processing losses in the range dimension when
SAR mode has been enabled. The default value is 1.2 but can be
changed by the user. |
| IF Bandwidth |
BandwidthUnit |
Real Number |
Reports out the IF Bandwidth which is the
analog-to-digital sampling rate of the SAR. This bandwidth assumes
a quadrature sampling without oversampling; in the case of
real-valued sampling the IF Bandwidth must be twice the sampling
rate. This rate determines the amount of data that can be collected
in a given amount of time. |
| Rng Resolution |
DistanceUnit |
Real Number |
Reports out the range resolution which is inversely
related to the pulse-compressed RF bandwidth of the transmitted
signal. This is a user defined parameter and has to be set. |
| Bandwidth |
BandwidthUnit |
Real Number |
Bandwidth is the Receiver Bandwidth. |
| Pulse
Compression Ratio |
Unitless |
Real Number |
Reports out the ratio of compressed to uncompressed
RF bandwidth if SAR mode has been enabled and this factor has been
selected. |
| Pulse Width |
SmallTimeUnit |
Real Number |
Reports out the width of the transmitted pulse (the
inverse of uncompressed RF bandwidth) if SAR mode has been enabled
and this factor has been selected. |
| Scene Depth |
DistanceUnit |
Real Number |
Reports out the range swath along the radar line of
sight to the target if SAR mode has been enabled and this factor
has been selected. |
| Rng Chirp Rate |
SARRngChirp |
Real Number |
Reports out the frequency modulation rate of the
pulse compression (1/sec2) if SAR mode has been enabled and this
factor has been selected. |