Data Record
|
0
|
first_zero_doppler_time
First Zero Doppler
Azimuth time of MDS which this
data set describesTime of first
range line in the MDS described
by this data set |
MJD |
1 |
mjd |
12 byte(s) |
1
|
attach_flag
Attachment Flag
Always set to zero for
this ADSR
|
flag |
1 |
BooleanFlag |
1 byte(s) |
2
|
last_zero_doppler_time
Last Zero Doppler
Azimuth time of MDS which this
data set describesTime of last
range line in the MDS described
by this data set |
MJD |
1 |
mjd |
12 byte(s) |
3
|
work_order_id
Work Order ID (left-justified) |
ascii |
1 |
AsciiString |
12 byte(s) |
4
|
time_diff
Time difference
between sensing time of first
input line and zero Doppler time
of first output image line
(tdelta). May be
used during child product
extraction from a stripline
product. Left blank (set to
zero) for non-stripline products
|
s |
1 |
fl |
4 byte(s) |
5
|
swath_num
Swath number IS1,
IS2, IS3, IS4, IS5, IS6, or IS7
for IM, WV and AP modes.SS1
,SS2, SS3, SS4, SS5 for WSS
Products Ws0 for WS and GM
modes where only one ADSR for
the whole scene is provided |
ascii |
1 |
AsciiString |
3 byte(s) |
6
|
range_spacing
Range sample spacing |
m |
1 |
fl |
4 byte(s) |
7
|
azimuth_spacing
Azimuth sample
spacing at image center |
m |
1 |
fl |
4 byte(s) |
8
|
line_time_interval
Azimuth sample
spacing in time (Line Time Interval) |
s |
1 |
fl |
4 byte(s) |
9
|
num_output_lines
Number of output
range lines in the image.For WSS
products this number will vary
for each sub swath |
lines |
1 |
ul |
4 byte(s) |
10
|
num_samples_per_line
Number of
samples per output range line
includes zero filled samples
|
samples |
1 |
ul |
4 byte(s) |
11
|
data_type
Output data
typeSWORD, UWORD, or UBYTE |
ascii |
1 |
AsciiString |
5 byte(s) |
12
|
num_range_lines_per_burst
Number of output
range lines per burst. Not used
for single-beam products |
lines |
1 |
ul |
4 byte(s) |
13
|
time_diff_zero_doppler
Time difference
between zero Doppler time and
acquisition time of output image lines |
s |
1 |
fl |
4 byte(s) |
14
|
spare_1
Spare |
- |
1 |
SpareField |
43 byte(s) |
15
|
data_analysis_flag
Raw Data
Analysis used for Raw Data
Correction 0 =
correction done using
default parameters 1 =
correction done using raw
data analysis results
|
flag |
1 |
BooleanFlag |
1 byte(s) |
16
|
ant_elev_corr_flag
Antenna
Elevation Pattern Correction
Applied 0 = no
correction applied 1 =
correction applied
|
flag |
1 |
BooleanFlag |
1 byte(s) |
17
|
chirp_extract_flag
Reconstructed
Chirp used 0 =
nominal chirp replica used 1
= reconstructed chirp used
|
flag |
1 |
BooleanFlag |
1 byte(s) |
18
|
srgr_flag
Slant Range to
Ground Range Conversion Applied
0 = no conversion applied
1 = conversion applied
|
flag |
1 |
BooleanFlag |
1 byte(s) |
19
|
dop_cen_flag
Doppler Centroid
Estimation Performed
0 = no estimation done 1
= estimation done
|
flag |
1 |
BooleanFlag |
1 byte(s) |
20
|
dop_amb_flag
Doppler
Ambiguity Estimation Performed
0 = no estimate done 1 =
estimate done
|
flag |
1 |
BooleanFlag |
1 byte(s) |
21
|
range_spread_comp_flag
Range-spreading
loss compensation Applied
0 = no compensation
applied 1 = compensation applied
|
flag |
1 |
BooleanFlag |
1 byte(s) |
22
|
detected_flag
Detection
Applied 0 = output
product is complex 1 =
output product was detected
|
flag |
1 |
BooleanFlag |
1 byte(s) |
23
|
look_sum_flag
Look Summation
Performed 0 =
product is single look 1 =
product is multi-looked
|
flag |
1 |
BooleanFlag |
1 byte(s) |
24
|
rms_equal_flag
RMS Equalisation
performed 0= rms
equalization not performed
during FBAQ decoding, 1 =
rms equalization performed
during FBAQ decoding
|
flag |
1 |
BooleanFlag |
1 byte(s) |
25
|
ant_scal_flag
Antenna
Elevation Gain Scaling Factor
applied 0= no scaling
factor applied, 1 = scaling
factor applied
|
flag |
1 |
BooleanFlag |
1 byte(s) |
26
|
vga_com_echo_flag
Receive Gain Droop
Compensation applied to Echo.
0=no compression, 1=compensation applied. |
flag |
1 |
BooleanFlag |
1 byte(s) |
27
|
vga_com_cal_flag
Receive Gain Droop
Compensation applied to
Calibration Pulse P2. 0=no
compression, 1=compensation applied. |
flag |
1 |
BooleanFlag |
1 byte(s) |
28
|
vga_com_nom_time_flag
Nominal time delay
applied for Receive Gain Droop
Compensation of Calibration
Pulse P2 order zero. 0=do not
use nominal time delay
(compensation depends on P2 time
delay), 1= use nominal time
delay (constant) |
flag |
1 |
BooleanFlag |
1 byte(s) |
29
|
gm_range_comp_inverse_filter_flag
Inverse filter
used for range compression.
(GM Mode only). 0 =
matched filter used for
range compression 1 =
inverse filter used for
range compression
|
flag |
1 |
BooleanFlag |
1 byte(s) |
30
|
spare_2
Spare |
- |
1 |
SpareField |
6 byte(s) |
31
|
raw_data_analysis
The following 26
parameters form a structure
which is repeated twice, once
for MDS 1 and once for MDS 2
If MDS 2 is not included
with the product the second
set of values is blanked
(all values set to zero)
|
- |
2 |
raw_data_analysisStruct |
2*92.0 byte(s) |
|
a
|
num_gaps
Number of input
data gaps (a gap
is defined as a
predetermined
number of range lines) |
gaps |
1 |
ul |
4 byte(s) |
b
|
num_missing_lines
Number of
missing lines,
excluding data gaps |
lines |
1 |
ul |
4 byte(s) |
c
|
range_samp_skip
Range sample
skipping factor
for raw data analysis |
samples |
1 |
ul |
4 byte(s) |
d
|
range_lines_skip
Range lines
skipping factor
for raw data analysis |
lines |
1 |
ul |
4 byte(s) |
e
|
calc_i_bias
Calculated I
channel bias |
- |
1 |
fl |
4 byte(s) |
f
|
calc_q_bias
Calculated Q
channel bias |
- |
1 |
fl |
4 byte(s) |
g
|
calc_i_std_dev
Calculated I
channel standard deviation |
- |
1 |
fl |
4 byte(s) |
h
|
calc_q_std_dev
Calculated Q
channel standard deviation |
- |
1 |
fl |
4 byte(s) |
i
|
calc_gain
Calculated I/Q
gain imbalance |
- |
1 |
fl |
4 byte(s) |
j
|
calc_quad
Calculated I/Q
quadrature departure |
- |
1 |
fl |
4 byte(s) |
k
|
i_bias_max
I bias upper bound |
- |
1 |
fl |
4 byte(s) |
l
|
i_bias_min
I bias lower bound |
- |
1 |
fl |
4 byte(s) |
m
|
q_bias_max
Q bias upper bound |
- |
1 |
fl |
4 byte(s) |
n
|
q_bias_min
Q bias lower bound |
- |
1 |
fl |
4 byte(s) |
o
|
gain_min
I/Q gain lower bound |
- |
1 |
fl |
4 byte(s) |
p
|
gain_max
I/Q gain upper bound |
- |
1 |
fl |
4 byte(s) |
q
|
quad_min
I/Q quadrature
departure lower bound |
- |
1 |
fl |
4 byte(s) |
r
|
quad_max
I/Q quadrature
departure upper bound |
- |
1 |
fl |
4 byte(s) |
s
|
i_bias_flag
I bias
significance0 =
I bias falls
within
acceptable
range1 = I bias
falls outside
acceptable range |
flag |
1 |
BooleanFlag |
1 byte(s) |
t
|
q_bias_flag
Q bias
Significance0 =
Q bias falls
within
acceptable
range1 = Q bias
falls outside
acceptable range |
flag |
1 |
BooleanFlag |
1 byte(s) |
u
|
gain_flag
I/Q Gain
Significance0 =
Gain falls
within
acceptable
range1 = Gain
falls outside
acceptable range |
flag |
1 |
BooleanFlag |
1 byte(s) |
v
|
quad_flag
I/Q Quadrature
Departure
Significance0 =
Quadrature
departure falls
within
acceptable
range1
=Quadrature
departure falls
outside
acceptable range |
flag |
1 |
BooleanFlag |
1 byte(s) |
w
|
used_i_bias
I channel bias
used for
correction (may
be different
from measured value) |
- |
1 |
fl |
4 byte(s) |
x
|
used_q_bias
Q channel bias
used for
correction(may
be different
from measured value) |
- |
1 |
fl |
4 byte(s) |
y
|
used_gain
I/Q gain
imbalance used
for
correction(may
be different
from measured value) |
- |
1 |
fl |
4 byte(s) |
z
|
used_quad
I/Q quadrature
departure used
for
correction(may
be different
from measured value) |
- |
1 |
fl |
4 byte(s) |
|
32
|
spare_3
Spare |
- |
1 |
SpareField |
32 byte(s) |
33
|
start_time
The following 2
parameters form a structure
which is repeated twice. Once
for values pertaining to MDS 1
and once for values
pertaining to MDS 2.
If MDS 2 is not included
in the product the fields in
the second group are blanked
(all values are set to zero).
|
- |
2 |
start_timeStruct |
2*20.0 byte(s) |
|
a
|
first_obt
On-board binary
time of first
input line
processedLSB
accurate to
15.26 ms.
(Contained in
two long integers) |
- |
2 |
ul |
2*4 byte(s) |
b
|
first_mjd
Sensing time
(MJD format) of
first input line
processedconverted
from satellite
binary time |
MJD |
1 |
mjd |
12 byte(s) |
|
34
|
parameter_codes
Following fields
each contain room for 5 values
Only one value is filled
for each for (IM) and (WV)
modes. Two values are filled
for (AP) mode (for MDS1 and
MDS2). Five values
are filled for (WS) and (GM)
modes (for SS1 to SS5,
respectively). Unused values
are set to zero
|
- |
1 |
parameter_codesStruct |
120.0 byte(s) |
|
a
|
swst_code
Sampling Window
Start time code
of first
processed line |
code |
5 |
us |
5*2 byte(s) |
b
|
last_swst_code
Sampling Window
Start time code
of last
processed line |
code |
5 |
us |
5*2 byte(s) |
c
|
pri_code
Pulse Repetition
Interval code |
code |
5 |
us |
5*2 byte(s) |
d
|
tx_pulse_len_code
Tx pulse length |
code |
5 |
us |
5*2 byte(s) |
e
|
tx_bw_code
Tx pulse bandwidth |
code |
5 |
us |
5*2 byte(s) |
f
|
echo_win_len_code
Echo Window Length |
code |
5 |
us |
5*2 byte(s) |
g
|
up_code
Upconverter
Level -
Upconverter gain
set on the instrument |
code |
5 |
us |
5*2 byte(s) |
h
|
down_code
Downconverter
Level -
Downconverter
gain set on the instrument |
code |
5 |
us |
5*2 byte(s) |
i
|
resamp_code
Resampling
factor for echo data |
code |
5 |
us |
5*2 byte(s) |
j
|
beam_adj_code
Beam adjustment delta |
code |
5 |
us |
5*2 byte(s) |
k
|
beam_set_num_code
Antenna Beam Set Number |
code |
5 |
us |
5*2 byte(s) |
l
|
tx_monitor_code
Auxiliary Tx
Monitor Level |
code |
5 |
us |
5*2 byte(s) |
|
35
|
spare_4
Spare |
- |
1 |
SpareField |
60 byte(s) |
36
|
error_counters
Error counters
Each input line is
analyzed for errors in the
header using a majority
polling technique. Errors
are logged for each field of
the header in the
fields below.
|
- |
1 |
error_countersStruct |
40.0 byte(s) |
|
a
|
num_err_swst
Number of errors
detected in
Sampling Window
start time field. |
- |
1 |
ul |
4 byte(s) |
b
|
num_err_pri
Number of errors
detected in PRI
code field |
- |
1 |
ul |
4 byte(s) |
c
|
num_err_tx_pulse_len
Number of errors
detected in Tx
pulse length field |
- |
1 |
ul |
4 byte(s) |
d
|
num_err_tx_pulse_bw
Number of errors
detected in Tx
pulse bandwidth field. |
- |
1 |
ul |
4 byte(s) |
e
|
num_err_echo_win_len
Number of errors
detected in Echo
Window Length field. |
- |
1 |
ul |
4 byte(s) |
f
|
num_err_up
Number of errors
detected in
Upconverter
Level field. |
- |
1 |
ul |
4 byte(s) |
g
|
num_err_down
Number of errors
detected in
Downconverter
Level field. |
- |
1 |
ul |
4 byte(s) |
h
|
num_err_resamp
Number of errors
detected in
Resampling
factor for echo
data field. |
- |
1 |
ul |
4 byte(s) |
i
|
num_err_beam_adj
Number of errors
detected in Beam
adjustment delta field. |
- |
1 |
ul |
4 byte(s) |
j
|
num_err_beam_set_num
Number of errors
detected in
Antenna Beam Set
Number field. |
- |
1 |
ul |
4 byte(s) |
|
37
|
spare_5
Spare |
- |
1 |
SpareField |
26 byte(s) |
38
|
image_parameters
Image Data Set
parameters
Following fields each
contain room for 5 values.
Only one value is filled for
each for IM and WV modes.
Two values are filled
(MDS1 and MDS2) if 2 MDSs
are included in the product.
Five values are filled for
WS and GM modes (for SS1 to
SS5, respectively).
Unused values are set to zero
|
- |
1 |
image_parametersStruct |
270.0 byte(s) |
|
a
|
swst_value
Sampling Window
Start time of
first processed line |
s |
5 |
fl |
5*4 byte(s) |
b
|
last_swst_value
Sampling Window
Start time of
last processed line |
s |
5 |
fl |
5*4 byte(s) |
c
|
swst_changes
Number of Sample
Window Start
Time changes
within a beam |
- |
5 |
ul |
5*4 byte(s) |
d
|
prf_value
Pulse Repetition Frequency |
Hz |
5 |
fl |
5*4 byte(s) |
e
|
tx_pulse_len_value
Tx pulse length |
s |
5 |
fl |
5*4 byte(s) |
f
|
tx_pulse_bw_value
Tx pulse bandwidth |
Hz |
5 |
fl |
5*4 byte(s) |
g
|
echo_win_len_value
Echo Window Length |
s |
5 |
fl |
5*4 byte(s) |
h
|
up_value
Upconverter
Level -
Upconverter gain
set on the instrument |
dB |
5 |
fl |
5*4 byte(s) |
i
|
down_value
Downconverter
Level -
Downconverter
gain set on the instrument |
dB |
5 |
fl |
5*4 byte(s) |
j
|
resamp_value
Resampling factor |
- |
5 |
fl |
5*4 byte(s) |
k
|
beam_adj_value
Beam adjustment delta |
deg. |
5 |
fl |
5*4 byte(s) |
l
|
beam_set_value
Antenna Beam Set Number |
- |
5 |
us |
5*2 byte(s) |
m
|
tx_monitor_value
Auxiliary Tx
Monitor Level |
- |
5 |
fl |
5*4 byte(s) |
n
|
rank
Number of PRI
between
transmitted
pulse and return echo |
- |
5 |
ul |
5*4 byte(s) |
|
39
|
spare_6
Spare |
- |
1 |
SpareField |
62 byte(s) |
40
|
first_proc_range_samp
First processed
input range sample, first sample
is 1 |
samples |
1 |
ul |
4 byte(s) |
41
|
range_ref
Range spreading
loss reference range |
m |
1 |
fl |
4 byte(s) |
42
|
range_samp_rate
Range sampling rate |
Hz |
1 |
fl |
4 byte(s) |
43
|
radar_freq
Radar Frequency |
Hz |
1 |
fl |
4 byte(s) |
44
|
num_looks_range
Number of range looks |
looks |
1 |
us |
2 byte(s) |
45
|
filter_range
Matched filter
window type
HAMMING or
KAISER�� or NONE������
|
ascii |
1 |
AsciiString |
7 byte(s) |
46
|
filter_coef_range
Window coefficient
for range-matched filter |
- |
1 |
fl |
4 byte(s) |
47
|
bandwidth
Bandwidth
Following fields each
contain room for 5 values.
Only one value is filled for
each for AP, IM, and WV
modes. Five values are
filled for WS and GM modes
(for SS1 to SS5,
respectively). Unused values
are set to zero
|
- |
1 |
bandwidthStruct |
40.0 byte(s) |
|
a
|
look_bw_range
Range Look
Bandwidth (null
to null) |
Hz |
5 |
fl |
5*4 byte(s) |
b
|
tot_bw_range
Total processed
range bandwidth
(null to null) |
Hz |
5 |
fl |
5*4 byte(s) |
|
48
|
nominal_chirp
Nominal Chirp
Following 2 parameters
form a structure which is
repeated 5 times (one set
for each WS beam, SS1 first,
to SS5 last -- only one
set of values given for
narrow swath images)
|
- |
5 |
nominal_chirpStruct |
5*32.0 byte(s) |
|
a
|
nom_chirp_amp
4 nominal chirp
amplitude coefficients |
-, s-1, s-2, s-3 |
4 |
fl |
4*4 byte(s) |
b
|
nom_chirp_phs
4 nominal chirp
phase coefficients |
cycles,Hz,Hz/s,Hz/s2 |
4 |
fl |
4*4 byte(s) |
|
49
|
spare_7
Spare |
- |
1 |
SpareField |
60 byte(s) |
50
|
num_lines_proc
Number of input
lines processed |
lines |
1 |
ul |
4 byte(s) |
51
|
num_look_az
Number of Azimuth Looks |
looks |
1 |
us |
2 byte(s) |
52
|
look_bw_az
Azimuth Look
Bandwidth (null to null)
(null to null)
|
Hz |
1 |
fl |
4 byte(s) |
53
|
to_bw_az
Processed
Azimuth bandwidth
(null to null)
|
Hz |
1 |
fl |
4 byte(s) |
54
|
filter_az
Matched filter
window type
HAMMING or
KAISER�� or NONE������
|
ascii |
1 |
AsciiString |
7 byte(s) |
55
|
filter_coef_az
Window coefficient
for azimuth-matched filter |
- |
1 |
fl |
4 byte(s) |
56
|
az_fm_rate
3 co-efficients
for Azimuth FM rate
Azimuth FM rate = C0 +
C1(tSR-t0) + C2(tSR - t0)2
tSR = 2 way slant range time
|
Hz/sHz/s2Hz/s3 |
3 |
fl |
3*4 byte(s) |
57
|
ax_fm_origin
2 way slant range
time origin (t0) for Azimuth FM
rate calculation |
ns |
1 |
fl |
4 byte(s) |
58
|
dop_amb_conf
Doppler Centroid
Ambiguity Confidence
MeasureValue between 0 and 1, 0
= poorest confidence, 1= highest confidence |
- |
1 |
fl |
4 byte(s) |
59
|
spare_8
Spare |
- |
1 |
SpareField |
68 byte(s) |
60
|
calibration_factors
Calibration
factors The
following 2 parameters form
a structure which is
repeated twice. Once for
values pertaining to MDS 1
and once for values
pertaining to MDS 2. If MDS
2 is not included in the
product the fields in the
second group are set to zero
|
- |
2 |
calibration_factorsStruct |
2*8.0 byte(s) |
|
a
|
proc_scaling_fact
Processor
scaling factor |
- |
1 |
fl |
4 byte(s) |
b
|
ext_cal_fact
External
Calibration
Scaling Factor
(mode/swath/polarization dependent) |
- |
1 |
fl |
4 byte(s) |
|
61
|
noise_estimation
Noise Estimation
Following fields each
contain room for 5 values.
Five values are filled for
WS and GM modes (for SS1 to
SS5, respectively). Up to
5 values may be provided for
IM mode, each one is a
separate noise estimate. For
AP mode, up to 4 values may
be provided in the
order: first estimate for
MDS1, second estimate for
MDS1, first estimate for
MDS2, second estimate for
MDS2. For WV, there is one
estimate provided.
|
- |
1 |
noise_estimationStruct |
40.0 byte(s) |
|
a
|
noise_power_corr
Noise power
correction factors |
- |
5 |
fl |
5*4 byte(s) |
b
|
num_noise_lines
Number of noise
lines used to
calculate factors |
- |
5 |
ul |
5*4 byte(s) |
|
62
|
spare_9
Spare |
- |
1 |
SpareField |
64 byte(s) |
63
|
spare_10
Spare |
- |
1 |
SpareField |
12 byte(s) |
64
|
output_statistics
Output Data
Statistics The
following 4 parameters form
a structure which is
repeated twice. Once for
values pertaining to MDS 1
and once for values
pertaining to MDS 2. If MDS
2 is not included in the
product the fields in the
second group are set to zero.
|
- |
2 |
output_statisticsStruct |
2*16.0 byte(s) |
|
a
|
out_mean
Output data mean
Magnitude for
detected
products, real
sample mean for
SLC products |
- |
1 |
fl |
4 byte(s) |
b
|
out_imag_mean
Output imaginary
data mean Used
for SLC products
only (set to
zero otherwise) |
- |
1 |
fl |
4 byte(s) |
c
|
out_std_dev
Output data
standard
deviation
Magnitude std.
dev. for
detected
products, real
sample std. dev.
for SLC products |
- |
1 |
fl |
4 byte(s) |
d
|
out_imag_std_dev
Output imaginary
data standard
deviation Used
for SLC products
only (set to
zero otherwise) |
- |
1 |
fl |
4 byte(s) |
|
65
|
avg_scene_height_ellpsoid
Average scene
height above ellpsoid used for processing |
m |
1 |
fl |
4 byte(s) |
66
|
spare_11
Spare |
- |
1 |
SpareField |
48 byte(s) |
67
|
echo_comp
Compression
Method used for echo samples
FBAQ,
S&M��, NONE
|
ascii |
1 |
AsciiString |
4 byte(s) |
68
|
echo_comp_ratio
Compression Ratio
for echo samples8/4, 8/3, 8/2,
or 8/8 |
ascii |
1 |
AsciiString |
3 byte(s) |
69
|
init_cal_comp
Compression
Method used for initial
calibration samples
FBAQ,
S&M��, NONE
|
ascii |
1 |
AsciiString |
4 byte(s) |
70
|
init_cal_ratio
Compression Ratio
for initial calibration
samples8/4, 8/3, 8/2, or 8/8 |
ascii |
1 |
AsciiString |
3 byte(s) |
71
|
per_cal_comp
Compression
Method used for periodic
calibration samples
FBAQ,
S&M��, NONE
|
ascii |
1 |
AsciiString |
4 byte(s) |
72
|
per_cal_ratio
Compression Ratio
for periodic calibration
samples8/4, 8/3, 8/2, or 8/8 |
ascii |
1 |
AsciiString |
3 byte(s) |
73
|
noise_comp
Compression
Method used for noise samples
FBAQ,
S&M��, NONE
|
ascii |
1 |
AsciiString |
4 byte(s) |
74
|
noise_comp_ratio
Compression Ratio
for noise samples8/4, 8/3, 8/2,
or 8/8 |
ascii |
1 |
AsciiString |
3 byte(s) |
75
|
spare_12
Spare |
- |
1 |
SpareField |
64 byte(s) |
76
|
beam_overlap
Number of slant
range samples in beam merging
One value per merge
region (1-2, 2-3, 3-4, 4-5).
This parameter is equivalent
to N in the following beam
merging formula:
xmerged(n) = (1 - (n/N)P *
xnear(n) + ((n/N)P * xfar(n)
|
- |
4 |
ul |
4*4 byte(s) |
77
|
beam_param
Beam merge
algorithm parameter used for
beam merging One
value per merge region (1-2,
2-3, 3-4, 4-5). This
parameter is equivalent to P
in the above beam merging
forumla, and
different values have the
following affect: P = 1,
linear weighting of the two
beams (near and far). P =
-1, (which represents
infinity in the beam merging
formula) only near beam
contributes to the merged
one P = 0, only far beam
contributes to the merged
one P > 1, near
beam is favoured 0 < P
< 1, far beam is favoured.
|
- |
4 |
fl |
4*4 byte(s) |
78
|
lines_per_burst
Number of lines
per burst for this image.
5 values for beams SS1 to
SS5 in WS and GM modes. Two
values for AP mode, all
others set to zero.
|
lines |
5 |
ul |
5*4 byte(s) |
79
|
time_first_SS1_echo
Time of first SS1
Echo Source Packet |
mjd |
1 |
mjd |
12 byte(s) |
80
|
spare_13
Spare |
- |
1 |
SpareField |
16 byte(s) |
81
|
orbit_state_vectors
Orbit State
Vectors Information
The following 7
parameters form a structure
which is repeated 5 times,
thus allowing the inclusion
of up to 5 orbit state
vectors which span
the scene (or slice) to
which this ADSR pertains.
|
- |
5 |
orbit_state_vectorsStruct |
5*36.0 byte(s) |
|
a
|
state_vect_time_1
Time of state vector |
MJD |
1 |
mjd |
12 byte(s) |
b
|
x_pos_1
X position in
Earth fixed
reference frame |
10 -2m |
1 |
sl |
4 byte(s) |
c
|
y_pos_1
Y position in
Earth fixed
reference frame |
10 -2m |
1 |
sl |
4 byte(s) |
d
|
z_pos_1
Z position in
Earth fixed
reference frame |
10 -2m |
1 |
sl |
4 byte(s) |
e
|
x_vel_1
X velocity
relative to
Earth fixed
reference frame |
10 -5m/s |
1 |
sl |
4 byte(s) |
f
|
y_vel_1
Y velocity
relative to
Earth fixed
reference frame |
10 -5m/s |
1 |
sl |
4 byte(s) |
g
|
z_vel_1
Z velocity
relative to
Earth fixed
reference frame |
10 -5m/s |
1 |
sl |
4 byte(s) |
|
82
|
spare_14
Spare |
- |
1 |
SpareField |
64 byte(s) |
83
|
slant_range_time
2-way slant range
time origin (t0) |
ns |
1 |
fl |
4 byte(s) |
84
|
dop_coef
Doppler centroid
coefficients as a function of
slant range time: D0, D1, D2,
D3, and D4. Where
Doppler Centroid = D0 +
D1(tSR-t0) + D2(tSR-t0)2 +
D3(tSR-t0)3 + D4(tSR-t0)4
|
HzHz/sHz/s2Hz/s3Hz/s4 |
5 |
fl |
5*4 byte(s) |
85
|
dop_conf
Doppler Centroid
Confidence Measure. Value
between 0 and 1, 0 = poorest
confidence, 1= highest confidence |
- |
1 |
fl |
4 byte(s) |
86
|
dop_conf_below_thresh
Doppler Centroid
Confidence below threshold flag.
0=confidence above threshold,
centroid calculated from data;
1=confidence below
threshold, centroid calculated
from orbit. |
- |
1 |
uc |
1 byte(s) |
87
|
spare_15
Spare |
- |
1 |
SpareField |
13 byte(s) |
88
|
chirp_width
3-dB pulse width
of chirp replica
cross-correlation function
between extract chirp and
nominal chirp |
samples |
1 |
fl |
4 byte(s) |
89
|
chirp_sidelobe
First side lobe
level of chirp replica
cross-correlation function
between reconstructed chirp and
nominal chirp |
dB |
1 |
fl |
4 byte(s) |
90
|
chirp_islr
ISLR of chirp
replica cross-correlation
function between reconstructed
chirp and nominal chirp |
dB |
1 |
fl |
4 byte(s) |
91
|
chirp_peak_loc
Peak location of
cross correlation function
between reconstructed chirp and
nominal chirp |
samples |
1 |
fl |
4 byte(s) |
92
|
chirp_power
Chirp power |
- |
1 |
fl |
4 byte(s) |
93
|
eq_chirp_power
Equivalent Chirp power |
dB |
1 |
fl |
4 byte(s) |
94
|
rec_chirp_exceeds_qua_thres
Reconstructed
chirp exceeds quality thresholds
0=Reconstructed chirp does not
meet quality thresholds
1=Reconstructed chirp does meet
quality thresholds |
- |
1 |
uc |
1 byte(s) |
95
|
ref_chirp_power
Reference Chirp power |
dB |
1 |
fl |
4 byte(s) |
96
|
norm_source
Normalisation
source REPLICA REF0000 EQV0000
or NONE000 ( if normalisation
not applied ) |
ascii |
1 |
AsciiString |
7 byte(s) |
97
|
spare_16
Spare |
- |
1 |
SpareField |
4 byte(s) |
98
|
cal_info
Calibration
pulse information
The following 4
parameters form a structure
that is repeated 32 times
(once for each row). Each
repetition consists of a
total of 11
measurements of 4 different
types as described below.
|
- |
32 |
cal_infoStruct |
32*44.0 byte(s) |
|
a
|
max_cal
Max of Cal
pulses 1, 2, and
3 amplitude |
- |
3 |
fl |
3*4 byte(s) |
b
|
avg_cal
Average of Cal
pulse 1, 2, and
3 amplitude over
the 3 dB on
either side of
the max amplitude |
- |
3 |
fl |
3*4 byte(s) |
c
|
avg_val_1a
Average of Cal
pulse 1A over
the sample window |
- |
1 |
fl |
4 byte(s) |
d
|
phs_cal
Extracted phase
for calibration
pulse 1, 1A, 2,
and 3 |
degrees |
4 |
fl |
4*4 byte(s) |
|
99
|
spare_17
Spare |
- |
1 |
SpareField |
16 byte(s) |
100
|
first_line_time
Zero Doppler Time
at first line of imagette |
MJD |
1 |
mjd |
12 byte(s) |
101
|
first_line_tie_points
Imagette First
Line Tie Points |
- |
1 |
first_line_tie_pointsStruct |
60.0 byte(s) |
|
a
|
range_samp_nums
Range sample
number Gives the
range location
of the grid
points. First
range sample is
1, is M
(includes zero
filled samples) |
- |
3 |
ul |
3*4 byte(s) |
b
|
slant_range_times
2 way slant
range time to
range sample |
ns |
3 |
fl |
3*4 byte(s) |
c
|
inc_angles
Incidence Angle
at range sample |
deg. |
3 |
fl |
3*4 byte(s) |
d
|
lats
geodetic
latitude of
range sample
(positive north) |
(1e-6) degrees |
3 |
GeoCoordinate |
3*4 byte(s) |
e
|
longs
geodetic
longitude of
range sample
(positive east) |
(1e-6) degrees |
3 |
GeoCoordinate |
3*4 byte(s) |
|
102
|
mid_line_time
Zero Doppler Time
at centre line of imagette |
MJD |
1 |
mjd |
12 byte(s) |
103
|
mid_range_line_nums
Range line number
of the center range line |
- |
1 |
ul |
4 byte(s) |
104
|
mid_line_tie_points
Imagette Mid Line
Tie Points |
- |
1 |
mid_line_tie_pointsStruct |
60.0 byte(s) |
|
a
|
range_samp_nums
Range sample
number Gives the
range location
of the grid
points. First
range sample is
1, is M
(includes zero
filled samples) |
- |
3 |
ul |
3*4 byte(s) |
b
|
slant_range_times
2 way slant
range time to
range sample |
ns |
3 |
fl |
3*4 byte(s) |
c
|
inc_angles
Incidence Angle
at range sample |
deg. |
3 |
fl |
3*4 byte(s) |
d
|
lats
geodetic
latitude of
range sample
(positive north) |
(1e-6) degrees |
3 |
GeoCoordinate |
3*4 byte(s) |
e
|
longs
geodetic
longitude of
range sample
(positive east) |
(1e-6) degrees |
3 |
GeoCoordinate |
3*4 byte(s) |
|
105
|
last_line_time
Zero Doppler Time
at last line of imagette |
MJD |
1 |
mjd |
12 byte(s) |
106
|
last_line_num
Range line number
of the last range line |
- |
1 |
ul |
4 byte(s) |
107
|
last_line_tie_points
Imagette Last Line
Tie Points |
- |
1 |
last_line_tie_pointsStruct |
60.0 byte(s) |
|
a
|
range_samp_nums
Range sample
number Gives the
range location
of the grid
points. First
range sample is
1, is M
(includes zero
filled samples) |
- |
3 |
ul |
3*4 byte(s) |
b
|
slant_range_times
2 way slant
range time to
range sample |
ns |
3 |
fl |
3*4 byte(s) |
c
|
inc_angles
Incidence Angle
at range sample |
deg. |
3 |
fl |
3*4 byte(s) |
d
|
lats
geodetic
latitude of
range sample
(positive north) |
(1e-6) degrees |
3 |
GeoCoordinate |
3*4 byte(s) |
e
|
longs
geodetic
longitude of
range sample
(positive east) |
(1e-6) degrees |
3 |
GeoCoordinate |
3*4 byte(s) |
|
108
|
swst_offset
Wave cell SWST
offset From
centre of the sub-swath to
start of imagette. 208 ns increments
|
ns |
1 |
fl |
4 byte(s) |
109
|
ground_range_bias
Wave cell Ground
range bias From
centre of the sub-swath to
the centre of the imagette
(Ground range, km)
|
km |
1 |
fl |
4 byte(s) |
110
|
elev_angle_bias
Wave cell
elevation angle bias
From centre of the
sub-swath elevation to the
centre of the imagette (deg)
|
deg |
1 |
fl |
4 byte(s) |
111
|
imagette_range_len
Imagette length in
range (m) |
m |
1 |
fl |
4 byte(s) |
112
|
imagette_az_len
Imagette length in
azimuth (m) |
m |
1 |
fl |
4 byte(s) |
113
|
imagette_range_res
Nominal Imagette
resolution in slant range (m) |
m |
1 |
fl |
4 byte(s) |
114
|
ground_res
Nominal resolution
in ground range |
m |
1 |
fl |
4 byte(s) |
115
|
imagette_az_res
Nominal Imagette
resolution in azimuth (m) |
m |
1 |
fl |
4 byte(s) |
116
|
platform_alt
Altitude (platform
to ellipsoid) in metres (centre
of wave cell) |
m |
1 |
fl |
4 byte(s) |
117
|
ground_vel
Ground Velocity.
w.r.t moving earth |
m/s |
1 |
fl |
4 byte(s) |
118
|
slant_range
Range to centre
of imagette (m)
From platform to target
|
m |
1 |
fl |
4 byte(s) |
119
|
cw_drift
CW signal drift |
- |
1 |
fl |
4 byte(s) |
120
|
wave_subcycle
Wave sub-cycle (1
or 2) of this wave cell |
- |
1 |
us |
2 byte(s) |
121
|
earth_radius
Earth Radius at
imagette center sample |
m |
1 |
fl |
4 byte(s) |
122
|
sat_height
Satellite distance
to earth center |
m |
1 |
fl |
4 byte(s) |
123
|
first_sample_slant_range
Distance from
satellite to first range pixel
in the full SLC image |
m |
1 |
fl |
4 byte(s) |
124
|
spare_18
Spare |
- |
1 |
SpareField |
12 byte(s) |
125
|
elevation_pattern
Antenna Elevation Pattern |
- |
1 |
elevation_patternStruct |
132.0 byte(s) |
|
a
|
slant_range_time
2 way slant
range times |
ns |
11 |
fl |
11*4 byte(s) |
b
|
elevation_angles
Corresponding
elevation angles |
degrees |
11 |
fl |
11*4 byte(s) |
c
|
antenna_pattern
Corresponding
two-way antenna
elevation
pattern values |
dB |
11 |
fl |
11*4 byte(s) |
|
126
|
spare_19
Spare |
- |
1 |
SpareField |
14 byte(s) |