MIP_PS2_AX_GADS_frame_v2

binary record "MIP_PS2_AX_GADS_frame_v2"
idfield namedefinition
0dsr_time
binary timesize: 12
Time of creation

unit: "s since 2000-01-01"

value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary recordsize: 12
ENVISAT binary datetime

idfield namedefinition
0days
binary int32size: 4
days since January 1st, 2000 (may be negative)

unit: "days since 2000-01-01"
1seconds
binary uint32size: 4
seconds since start of day

unit: "s"
2microseconds
binary uint32size: 4
microseconds since start of second

unit: "1e-6 s"
1spec_ev_switch
binary uint8size: 1
Switch for processing of special events
2spare_1
binary bytessize: 2
Spare

hidden: true
3max_path_diff
binary doublesize: 8
Maximum optical path difference

unit: "cm"
4ref_char
binary int8size: 1
Reference character to be compared with PCD
5spike_thresh
binary uint32size: 4
Threshold of spike location wrt ZPD
6spike_thresh_rms
binary doublesize: 8
Threshold for maximum rms amplitude of spikes
7laser_wvn
binary doublesize: 8
Wavenumber of laser

unit: "1/cm"
8spare_2
binary bytessize: 4
Spare

hidden: true
9num_fr_counts
binary uint32size: 4
Number of fringe counts valid for nominal measurement at MPD
10num_nesr_thresh
binary uint16size: 2
Number of NESR thresholds
11wvn_nesr_thresh1
binary doublesize: 8
Wavenumber related to the first NESR threshold

unit: "1/cm"
12wvn_nesr_thresh2
binary doublesize: 8
Wavenumber related to the last NESR threshold

unit: "1/cm"
13nesr_thresh
binary array[dim_0]
Vector containing NESR thresholds

dim_0: int(../num_nesr_thresh)
binary doublesize: 8
unit: "W/(cm2.sr.1/cm)"
14max_mw
binary uint16size: 2
Maximum number of microwindows used in retrieval
15trop_alt_coeff_a
binary doublesize: 8
Coefficient A for Tropopause Altitude Correction

unit: "km"
16trop_alt_coeff_b
binary doublesize: 8
Coefficient B for Tropopause Altitude Correction

unit: "km"
17trop_alt_coeff_c
binary doublesize: 8
Coefficient C for Tropopause Altitude Correction

unit: "km"
18spare_3
binary bytessize: 62
Spare

hidden: true
19spec_res_coarse
binary doublesize: 8
Spectral resolution of the general coarse wavenumber grid

unit: "1/cm"
20max_dev
binary doublesize: 8
Maximum allowed deviation between input grid and general coarse wavenumber grid

unit: "1/cm"
21num_sinc
binary uint16size: 2
Number of sinc interpolation coefficients
22num_off
binary int16size: 2
Number of offsets used for interpolation
23num_coef
binary uint16size: 2
Number of coefficients defining analytical Norton-Beer apodisation function
24coef
binary array[dim_0]
Coefficients of analytical Norton-Beer apodisation function

dim_0: int(../num_coef)
binary doublesize: 8
25num_wvn
binary uint16size: 2
Number of wavenumbers at which the ILS has been characterised
26wnm
binary array[dim_0]
Vector containing wavenumbers at which the ILS has been characterised

dim_0: int(../num_wvn)
binary doublesize: 8
unit: "1/cm"
27lin_shear_var
binary array[dim_0]
Vector containing for each wavenumber the linear shear variation along Z vs. OPD

dim_0: int(../num_wvn)
binary doublesize: 8
unit: "cm"
28ir_misalign
binary array[dim_0]
Vector containing for each wavenumber the systematic IR misalignment along Y

dim_0: int(../num_wvn)
binary doublesize: 8
unit: "rad"
29spec_res_fine
binary doublesize: 8
Spectral resolution of the general fine wavenumber grid

unit: "1/cm"
30req_spec_width
binary doublesize: 8
Requested spectral width of the AILS in each spectral band

unit: "1/cm"
31min_res_ails
binary doublesize: 8
Required minimum resolution of computed AILS

unit: "1/cm"
32min_res_opd
binary uint16size: 2
Minimum resolution of sampling grid in OPD domain

unit: "cm"
33max_fft
binary uint16size: 2
Maximum number of FFT samples to be used
34min_div_mir
binary doublesize: 8
Minimum divergence for which the modulation MIR is computed

unit: "degrees"
35spare_4
binary bytessize: 8
Spare

hidden: true
36z_ir_misalign
binary doublesize: 8
Systematic IR misalignment along Z

unit: "rad"
37y_lin_shear
binary doublesize: 8
Retroreflector linear shear along Y vs. OPD

unit: "cm"
38y_interfer_div
binary doublesize: 8
Interferometer divergence along Y

unit: "rad"
39z_interfer_div
binary doublesize: 8
Interferometer divergence along Z

unit: "rad"
40laser_misalign_opd_y
binary doublesize: 8
Systematic OPD measuring laser misalignment along Y

unit: "rad"
41laser_misalign_opd_z
binary doublesize: 8
Systematic OPD measuring laser misalignment along Z

unit: "rad"
42lin_shear_var_y
binary doublesize: 8
Linear shear variation along Y
43lin_shear_z
binary doublesize: 8
Retroreflector linear shear along Z
44blur_ang_width_y
binary doublesize: 8
Blur angular width along Y

unit: "rad"
45blur_ang_width_z
binary doublesize: 8
Blur angular width along Z

unit: "rad"
46opt_speed_interfer
binary doublesize: 8
Optical speed of interferometer

unit: "cm/s"
47init_perturb
binary doublesize: 8
Initial perturbation on sampling of first sample

unit: "cm"
48time_const_init_perturb
binary doublesize: 8
Time constant of exponential attenuation of initial sampling perturbation

unit: "s"
49rel_speed_fluc
binary doublesize: 8
Initial relative speed fluctuation at the beginning of scan
50time_const_speed_fluc
binary doublesize: 8
Time constant of exponential attenuation of the initial speed fluctuation

unit: "s"
51gain_slope
binary doublesize: 8
Gain slope of electrical response of IR detector and preamplifier
52mismatch_delay
binary doublesize: 8
Mismatch delay between IR electronics response and ADC trigger

unit: "s"
53rel_drift_rate
binary doublesize: 8
Relative drift rate of laser wavenumber

unit: "1/cm"
54white_noise_bw
binary doublesize: 8
Bandwidth of laser white noise

unit: "Hz"
55laser_noise_bw
binary doublesize: 8
Bandwidth of laser 1/f noise

unit: "Hz"
56num_samples_y
binary uint16size: 2
Number of discrete samples of integral approximation along Y
57num_samples_z
binary uint16size: 2
Number of discrete samples of integral approximation along Z
58coeff_c
binary doublesize: 8
Coefficient C used for ILS/AILS interpolation
59coeff_b
binary doublesize: 8
Coefficient B used for ILS/AILS interpolation

unit: "cm"
60coeff_a
binary doublesize: 8
Coefficient A used for ILS/AILS interpolation

unit: "cm2"
61const_spec_corr
binary doublesize: 8
Constant spectral correction coefficient of AILS

unit: "1/cm"
62lin_spec_corr
binary doublesize: 8
Linear spectral correction coefficient of AILS
63quad_spec_corr
binary doublesize: 8
Quadratic spectral correction coefficient of AILS

unit: "cm"
64interp_flag
binary uint16size: 2
Flag to control, if AILS interpolation coefficients shall be take from L1b(1) or PS2(0)
65spare_5
binary bytessize: 2
Spare

hidden: true
66num_samples_apo
binary uint16size: 2
Number of samples of apodisation vector in spectral domain
67num_element_apo
binary uint16size: 2
Number of elements of apodisation vector in OPD domain
68spare_6
binary bytessize: 10
Spare

hidden: true
69thresh_ils
binary doublesize: 8
Threshold for spectral grid error on which the ILS is computed

unit: "1/cm"
70lowest_apo
binary doublesize: 8
Lowest value of apodisation vector
71thresh_ratio
binary doublesize: 8
Threshold of ratio for which inverse squared apodisation function is computed
72spare_7
binary bytessize: 2
Spare

hidden: true
73thresh_min_eigen
binary doublesize: 8
Threshold defining minimum value of eigenvalue
74max_spec_lines
binary uint16size: 2
Maximum number of spectral lines per microwindow
75seq_vmr_ret
ascii array[6]size: 24
Sequence of processing of VMR retrievals
ascii stringsize: 4
76switch_p_t_retrieval
binary uint16size: 2
Switch for skipping p,T retrieval
77max_hitran_code
binary uint16size: 2
Maximum HITRAN code to be considered
78max_preloop_iter
binary uint16size: 2
Maximum number of p,T - 1st VMR preloop iterations
79spare_8
binary bytessize: 6
Spare

hidden: true
80up_alt_thresh
binary doublesize: 8
Upper altitude threshold for use of spectral lines

unit: "km"
81low_alt_thresh
binary doublesize: 8
Lower altitude threshold for use of spectral lines

unit: "km"
82max_alt_step
binary doublesize: 8
Maximum altitude step for hydrostatic equilibrium

unit: "km"
83switch_ll_cont_def_corr
binary uint16size: 2
Switch for activation of correction of lowest level for continuum derivatives: 0=deactivate correction; 1=activate correction
84ecmwf_ref_alt
binary array[3]size: 24
Vector containing three reference altitudes to be used for ECMWF based altitude correction
binary doublesize: 8
unit: "km"
85thresh_ecmwf_ref_alt
binary doublesize: 8
Threshold to use lowest three altitudes for ECMWF based altitude correction
86spare_9
binary bytessize: 6
Spare

hidden: true