SPECTRAL RESPONSE FUNCTION
- PICARD Spectral Bands
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Shows target spectral response function for each band of the PICARD instrument. View the target SRFs
SPECIFICATIONS
| PICARD Design Parameters | |
| Type: | VNIR-SWIR Airborne Imaging Spectrometer |
| Platform: | NASA ER-2, & G-V |
| Ground Speed: | Variable (depending on altitude) |
| Altitude: | 1 - 20 Km (5,000 - 65,000 Ft) |
| Pixel Spatial Resolution: | 5 - 50 Meters (depending on altitude) |
| Pixels per Spectral Band: | 412 (roll corrected) |
| Integration Time: | 5.2 - 80mSec (limited by frame rate/altitude) |
| Swath Width: | 2 - 16 Km (depending on altitude) |
| Field of View: | 50° |
| Telescope: | f/2.8 30mm 4-mirror anastigmat |
| Effective Focal Length | 30.4mm |
| Instantaneous FOV (cross track): | 2.12 mrad |
| Instantaneous FOV (along track): | 1.00 mrad |
| Roll Correction: | +/- 15° |
| Data Channels: | 204 |
| Spectral Bands: | 204 (digitized to 16-bit resolution) |
| VNIR Spectrometer: | 64 10nm FWHM bands, 370 - 990nm |
| SWIR Spectrometer: | 140 10nm FWHM bands, 1.00 - 2.40µm |
| Frame Rate: | 6.25 - 100Hz (depending on integration time) |
| Radiometric Calibration: | Integrating Lamp / Dark Current (ground-based & on-board) |
| PICARD VNIR Spectrometer Target SRFs (in microns) |
||
| Band Number | Band Center | FWHM |
| 1 | 0.3704 | 0.0148 |
| 2 | 0.3805 | 0.0139 |
| 3 | 0.3905 | 0.0137 |
| 4 | 0.4004 | 0.0135 |
| 5 | 0.4104 | 0.0127 |
| 6 | 0.4203 | 0.0132 |
| 7 | 0.4300 | 0.0126 |
| 8 | 0.4392 | 0.0127 |
| 9 | 0.4484 | 0.0127 |
| 10 | 0.4589 | 0.0135 |
| 11 | 0.4687 | 0.0131 |
| 12 | 0.4783 | 0.0133 |
| 13 | 0.4879 | 0.0132 |
| 14 | 0.4982 | 0.0137 |
| 15 | 0.5082 | 0.0136 |
| 16 | 0.5177 | 0.0135 |
| 17 | 0.5272 | 0.0138 |
| 18 | 0.5370 | 0.0141 |
| 19 | 0.5470 | 0.0141 |
| 20 | 0.5569 | 0.0141 |
| 21 | 0.5668 | 0.0140 |
| 22 | 0.5769 | 0.0144 |
| 23 | 0.5865 | 0.0132 |
| 24 | 0.5954 | 0.0137 |
| 25 | 0.6058 | 0.0144 |
| 26 | 0.6157 | 0.0145 |
| 27 | 0.6256 | 0.0144 |
| 28 | 0.6356 | 0.0147 |
| 29 | 0.6453 | 0.0142 |
| 30 | 0.6549 | 0.0147 |
| 31 | 0.6647 | 0.0140 |
| 32 | 0.6742 | 0.0125 |
| 33 | 0.6840 | 0.0151 |
| 34 | 0.6941 | 0.0164 |
| 35 | 0.7049 | 0.0146 |
| 36 | 0.7141 | 0.0147 |
| 37 | 0.7238 | 0.0150 |
| 38 | 0.7342 | 0.0151 |
| 39 | 0.7439 | 0.0145 |
| 40 | 0.7538 | 0.0150 |
| 41 | 0.7636 | 0.0150 |
| 42 | 0.7737 | 0.0150 |
| 43 | 0.7834 | 0.0150 |
| 44 | 0.7932 | 0.0146 |
| 45 | 0.8029 | 0.0147 |
| 46 | 0.8125 | 0.0145 |
| 47 | 0.8223 | 0.0148 |
| 48 | 0.8321 | 0.0149 |
| 49 | 0.8419 | 0.0156 |
| 50 | 0.8515 | 0.0147 |
| 51 | 0.8612 | 0.0133 |
| 52 | 0.8716 | 0.0135 |
| 53 | 0.8812 | 0.0144 |
| 54 | 0.8904 | 0.0133 |
| 55 | 0.9012 | 0.0136 |
| 56 | 0.9101 | 0.0116 |
| 57 | 0.9206 | 0.0132 |
| 58 | 0.9294 | 0.0113 |
| 59 | 0.9400 | 0.0130 |
| 60 | 0.9495 | 0.0109 |
| 61 | 0.9600 | 0.0132 |
| 62 | 0.9699 | 0.0122 |
| 63 | 0.9795 | 0.0126 |
| 64 | 0.9895 | 0.0130 |
| PICARD SWIR Spectrometer Target SRFs (in microns) |
||
| Band Number | Band Center | FWHM |
| 65 | 1.0096 | 0.0138 |
| 66 | 1.0182 | 0.0146 |
| 67 | 1.0277 | 0.0153 |
| 68 | 1.0369 | 0.0149 |
| 69 | 1.0482 | 0.0157 |
| 70 | 1.0584 | 0.0157 |
| 71 | 1.0683 | 0.0158 |
| 72 | 1.0783 | 0.0154 |
| 73 | 1.0877 | 0.0151 |
| 74 | 1.0983 | 0.0157 |
| 75 | 1.1083 | 0.0155 |
| 76 | 1.1178 | 0.0151 |
| 77 | 1.1281 | 0.0153 |
| 78 | 1.1381 | 0.0154 |
| 79 | 1.1482 | 0.0155 |
| 80 | 1.1581 | 0.0155 |
| 81 | 1.1682 | 0.0155 |
| 82 | 1.1782 | 0.0154 |
| 83 | 1.1882 | 0.0154 |
| 84 | 1.1983 | 0.0156 |
| 85 | 1.2085 | 0.0157 |
| 86 | 1.2183 | 0.0157 |
| 87 | 1.2284 | 0.0156 |
| 88 | 1.2380 | 0.0149 |
| 89 | 1.2477 | 0.0150 |
| 90 | 1.2580 | 0.0154 |
| 91 | 1.2680 | 0.0154 |
| 92 | 1.2780 | 0.0154 |
| 93 | 1.2880 | 0.0154 |
| 94 | 1.2983 | 0.0156 |
| 95 | 1.3083 | 0.0156 |
| 96 | 1.3183 | 0.0155 |
| 97 | 1.3282 | 0.0152 |
| 98 | 1.3383 | 0.0153 |
| 99 | 1.3483 | 0.0153 |
| 100 | 1.3579 | 0.0151 |
| 101 | 1.3679 | 0.0152 |
| 102 | 1.3781 | 0.0153 |
| 103 | 1.3882 | 0.0153 |
| 104 | 1.3984 | 0.0154 |
| 105 | 1.4084 | 0.0155 |
| 106 | 1.4183 | 0.0154 |
| 107 | 1.4284 | 0.0153 |
| 108 | 1.4383 | 0.0152 |
| 109 | 1.4484 | 0.0153 |
| 110 | 1.4585 | 0.0154 |
| 111 | 1.4684 | 0.0152 |
| 112 | 1.4783 | 0.0152 |
| 113 | 1.4883 | 0.0152 |
| 114 | 1.4982 | 0.0152 |
| 115 | 1.5082 | 0.0153 |
| 116 | 1.5184 | 0.0154 |
| 117 | 1.5284 | 0.0153 |
| 118 | 1.5384 | 0.0153 |
| 119 | 1.5484 | 0.0153 |
| 120 | 1.5584 | 0.0153 |
| 121 | 1.5684 | 0.0153 |
| 122 | 1.5784 | 0.0152 |
| 123 | 1.5885 | 0.0153 |
| 124 | 1.5984 | 0.0153 |
| 125 | 1.6086 | 0.0152 |
| 126 | 1.6185 | 0.0152 |
| 127 | 1.6287 | 0.0152 |
| 128 | 1.6387 | 0.0152 |
| 129 | 1.6488 | 0.0152 |
| 130 | 1.6588 | 0.0152 |
| 131 | 1.6689 | 0.0153 |
| 132 | 1.6788 | 0.0153 |
| 133 | 1.6888 | 0.0153 |
| 134 | 1.6988 | 0.0153 |
| 135 | 1.7086 | 0.0153 |
| 136 | 1.7187 | 0.0152 |
| 137 | 1.7286 | 0.0152 |
| 138 | 1.7385 | 0.0151 |
| 139 | 1.7485 | 0.0150 |
| 140 | 1.7585 | 0.0150 |
| 141 | 1.7685 | 0.0150 |
| 142 | 1.7785 | 0.0149 |
| 143 | 1.7886 | 0.0151 |
| 144 | 1.7986 | 0.0152 |
| 145 | 1.8087 | 0.0151 |
| 146 | 1.8187 | 0.0151 |
| 147 | 1.8289 | 0.0152 |
| 148 | 1.8389 | 0.0152 |
| 149 | 1.8490 | 0.0151 |
| 150 | 1.8589 | 0.0150 |
| 151 | 1.8689 | 0.0151 |
| 152 | 1.8794 | 0.0149 |
| 153 | 1.8888 | 0.0150 |
| 154 | 1.8989 | 0.0151 |
| 155 | 1.9089 | 0.0151 |
| 156 | 1.9189 | 0.0151 |
| 157 | 1.9291 | 0.0151 |
| 158 | 1.9390 | 0.0151 |
| 159 | 1.9489 | 0.0150 |
| 160 | 1.9589 | 0.0149 |
| 161 | 1.9692 | 0.0148 |
| 162 | 1.9791 | 0.0149 |
| 163 | 1.9891 | 0.0149 |
| 164 | 1.9991 | 0.0148 |
| 165 | 2.0091 | 0.0148 |
| 166 | 2.0192 | 0.0149 |
| 167 | 2.0292 | 0.0149 |
| 168 | 2.0392 | 0.0148 |
| 169 | 2.0491 | 0.0144 |
| 170 | 2.0592 | 0.0146 |
| 171 | 2.0693 | 0.0147 |
| 172 | 2.0792 | 0.0149 |
| 173 | 2.0893 | 0.0149 |
| 174 | 2.0993 | 0.0144 |
| 175 | 2.1092 | 0.0149 |
| 176 | 2.1193 | 0.0147 |
| 177 | 2.1291 | 0.0147 |
| 178 | 2.1392 | 0.0148 |
| 179 | 2.1493 | 0.0146 |
| 180 | 2.1591 | 0.0149 |
| 181 | 2.1693 | 0.0146 |
| 182 | 2.1793 | 0.0149 |
| 183 | 2.1893 | 0.0149 |
| 184 | 2.1992 | 0.0144 |
| 185 | 2.2092 | 0.0149 |
| 186 | 2.2193 | 0.0148 |
| 187 | 2.2293 | 0.0148 |
| 188 | 2.2393 | 0.0149 |
| 189 | 2.2493 | 0.0148 |
| 190 | 2.2594 | 0.0149 |
| 191 | 2.2694 | 0.0148 |
| 192 | 2.2794 | 0.0148 |
| 193 | 2.2895 | 0.0144 |
| 194 | 2.2995 | 0.0147 |
| 195 | 2.3094 | 0.0149 |
| 196 | 2.3194 | 0.0146 |
| 197 | 2.3293 | 0.0149 |
| 198 | 2.3394 | 0.0148 |
| 199 | 2.3493 | 0.0146 |
| 200 | 2.3594 | 0.0146 |
| 201 | 2.3693 | 0.0142 |
| 202 | 2.3793 | 0.0146 |
| 203 | 2.3893 | 0.0145 |
| 204 | 2.3994 | 0.0145 |
