Supported ENVISAT Products

chirp parameters

  Fields of ENVISAT ASAR_Chirp_ADSR Records

Index Identifier Field Type Field Length Description Units
0 "zero_doppler_time" MJD 1 Zero Doppler azimuth time in azimuth at which estimate applies MJD
1 "attach_flag" UChar 1 Attachment Flag (always set to zero for this ADSR) flag
2 "beam_id" String 1 Beam ID: SS1, SS2, SS3, SS4, or SS5 for WS and GM images. Set to NSØ for AP, IM, and WV images. ascii
3 "polar" String 1 Tx/Rx polarization H/H, H/V, V/V, or V/H ascii
4 "chirp_width" Float 1 3-dB pulse width of chirp replica cross-correlation function between reconstructed chirp and nominal chirp samples
5 "chirp_sidelobe" Float 1 First side lobe level of chirp replica cross-correlation function between reconstructed chirp and nominal chirp dB
6 "chirp_islr" Float 1 ISLR of chirp replica cross-correlation function between reconstructed chirp and nominal chirp dB
7 "chirp_peak_loc" Float 1 Peak location of cross-correlation function between reconstructed chirp and nominal chirp samples
8 "chirp_power" Float 1 Chirp power dB
9 "elev_corr_factor" Float 1 Elevation gain correction scaling factor applied to range compressed samples -
10 "spare_1" Spare 1 Spare -
11 "cal_pulse_info.1.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 1) -
12 "cal_pulse_info.1.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 1) -
13 "cal_pulse_info.1.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 1) -
14 "cal_pulse_info.1.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 1) degrees
15 "cal_pulse_info.2.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 2) -
16 "cal_pulse_info.2.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 2) -
17 "cal_pulse_info.2.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 2) -
18 "cal_pulse_info.2.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 2) degrees
19 "cal_pulse_info.3.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 3) -
20 "cal_pulse_info.3.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 3) -
21 "cal_pulse_info.3.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 3) -
22 "cal_pulse_info.3.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 3) degrees
23 "cal_pulse_info.4.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 4) -
24 "cal_pulse_info.4.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 4) -
25 "cal_pulse_info.4.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 4) -
26 "cal_pulse_info.4.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 4) degrees
27 "cal_pulse_info.5.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 5) -
28 "cal_pulse_info.5.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 5) -
29 "cal_pulse_info.5.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 5) -
30 "cal_pulse_info.5.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 5) degrees
31 "cal_pulse_info.6.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 6) -
32 "cal_pulse_info.6.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 6) -
33 "cal_pulse_info.6.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 6) -
34 "cal_pulse_info.6.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 6) degrees
35 "cal_pulse_info.7.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 7) -
36 "cal_pulse_info.7.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 7) -
37 "cal_pulse_info.7.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 7) -
38 "cal_pulse_info.7.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 7) degrees
39 "cal_pulse_info.8.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 8) -
40 "cal_pulse_info.8.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 8) -
41 "cal_pulse_info.8.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 8) -
42 "cal_pulse_info.8.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 8) degrees
43 "cal_pulse_info.9.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 9) -
44 "cal_pulse_info.9.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 9) -
45 "cal_pulse_info.9.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 9) -
46 "cal_pulse_info.9.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 9) degrees
47 "cal_pulse_info.10.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 10) -
48 "cal_pulse_info.10.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 10) -
49 "cal_pulse_info.10.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 10) -
50 "cal_pulse_info.10.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 10) degrees
51 "cal_pulse_info.11.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 11) -
52 "cal_pulse_info.11.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 11) -
53 "cal_pulse_info.11.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 11) -
54 "cal_pulse_info.11.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 11) degrees
55 "cal_pulse_info.12.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 12) -
56 "cal_pulse_info.12.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 12) -
57 "cal_pulse_info.12.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 12) -
58 "cal_pulse_info.12.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 12) degrees
59 "cal_pulse_info.13.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 13) -
60 "cal_pulse_info.13.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 13) -
61 "cal_pulse_info.13.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 13) -
62 "cal_pulse_info.13.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 13) degrees
63 "cal_pulse_info.14.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 14) -
64 "cal_pulse_info.14.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 14) -
65 "cal_pulse_info.14.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 14) -
66 "cal_pulse_info.14.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 14) degrees
67 "cal_pulse_info.15.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 15) -
68 "cal_pulse_info.15.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 15) -
69 "cal_pulse_info.15.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 15) -
70 "cal_pulse_info.15.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 15) degrees
71 "cal_pulse_info.16.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 16) -
72 "cal_pulse_info.16.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 16) -
73 "cal_pulse_info.16.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 16) -
74 "cal_pulse_info.16.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 16) degrees
75 "cal_pulse_info.17.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 17) -
76 "cal_pulse_info.17.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 17) -
77 "cal_pulse_info.17.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 17) -
78 "cal_pulse_info.17.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 17) degrees
79 "cal_pulse_info.18.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 18) -
80 "cal_pulse_info.18.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 18) -
81 "cal_pulse_info.18.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 18) -
82 "cal_pulse_info.18.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 18) degrees
83 "cal_pulse_info.19.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 19) -
84 "cal_pulse_info.19.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 19) -
85 "cal_pulse_info.19.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 19) -
86 "cal_pulse_info.19.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 19) degrees
87 "cal_pulse_info.20.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 20) -
88 "cal_pulse_info.20.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 20) -
89 "cal_pulse_info.20.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 20) -
90 "cal_pulse_info.20.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 20) degrees
91 "cal_pulse_info.21.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 21) -
92 "cal_pulse_info.21.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 21) -
93 "cal_pulse_info.21.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 21) -
94 "cal_pulse_info.21.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 21) degrees
95 "cal_pulse_info.22.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 22) -
96 "cal_pulse_info.22.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 22) -
97 "cal_pulse_info.22.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 22) -
98 "cal_pulse_info.22.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 22) degrees
99 "cal_pulse_info.23.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 23) -
100 "cal_pulse_info.23.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 23) -
101 "cal_pulse_info.23.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 23) -
102 "cal_pulse_info.23.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 23) degrees
103 "cal_pulse_info.24.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 24) -
104 "cal_pulse_info.24.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 24) -
105 "cal_pulse_info.24.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 24) -
106 "cal_pulse_info.24.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 24) degrees
107 "cal_pulse_info.25.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 25) -
108 "cal_pulse_info.25.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 25) -
109 "cal_pulse_info.25.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 25) -
110 "cal_pulse_info.25.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 25) degrees
111 "cal_pulse_info.26.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 26) -
112 "cal_pulse_info.26.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 26) -
113 "cal_pulse_info.26.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 26) -
114 "cal_pulse_info.26.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 26) degrees
115 "cal_pulse_info.27.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 27) -
116 "cal_pulse_info.27.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 27) -
117 "cal_pulse_info.27.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 27) -
118 "cal_pulse_info.27.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 27) degrees
119 "cal_pulse_info.28.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 28) -
120 "cal_pulse_info.28.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 28) -
121 "cal_pulse_info.28.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 28) -
122 "cal_pulse_info.28.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 28) degrees
123 "cal_pulse_info.29.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 29) -
124 "cal_pulse_info.29.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 29) -
125 "cal_pulse_info.29.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 29) -
126 "cal_pulse_info.29.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 29) degrees
127 "cal_pulse_info.30.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 30) -
128 "cal_pulse_info.30.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 30) -
129 "cal_pulse_info.30.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 30) -
130 "cal_pulse_info.30.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 30) degrees
131 "cal_pulse_info.31.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 31) -
132 "cal_pulse_info.31.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 31) -
133 "cal_pulse_info.31.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 31) -
134 "cal_pulse_info.31.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 31) degrees
135 "cal_pulse_info.32.max_cal" Float 3 Max of Cal pulses 1, 2, and 3 amplitude (record 32) -
136 "cal_pulse_info.32.avg_cal" Float 3 Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 32) -
137 "cal_pulse_info.32.avg_val_1a" Float 1 Average of Cal pulse 1A over the sample window (record 32) -
138 "cal_pulse_info.32.phs_cal" Float 4 Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 32) degrees
139 "spare_2" Spare 1 Spare -