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) |
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| Band Number | FWHM | Center |
| 1 | 0.009958 | 0.378595 |
| 2 | 0.009970 | 0.388391 |
| 3 | 0.009981 | 0.398187 |
| 4 | 0.009993 | 0.407984 |
| 5 | 0.010004 | 0.417780 |
| 6 | 0.010016 | 0.427576 |
| 7 | 0.010027 | 0.437372 |
| 8 | 0.010039 | 0.447169 |
| 9 | 0.010050 | 0.456965 |
| 10 | 0.010062 | 0.466761 |
| 11 | 0.010074 | 0.476558 |
| 12 | 0.010085 | 0.486354 |
| 13 | 0.010097 | 0.496150 |
| 14 | 0.010108 | 0.505947 |
| 15 | 0.010120 | 0.515743 |
| 16 | 0.010131 | 0.525539 |
| 17 | 0.010143 | 0.535335 |
| 18 | 0.010154 | 0.545132 |
| 19 | 0.010166 | 0.554928 |
| 20 | 0.010177 | 0.564724 |
| 21 | 0.010189 | 0.574521 |
| 22 | 0.010200 | 0.584317 |
| 23 | 0.010212 | 0.594113 |
| 24 | 0.010223 | 0.603909 |
| 25 | 0.010235 | 0.613706 |
| 26 | 0.010246 | 0.623502 |
| 27 | 0.010258 | 0.633298 |
| 28 | 0.010269 | 0.643095 |
| 29 | 0.010281 | 0.652891 |
| 30 | 0.010292 | 0.662687 |
| 31 | 0.010304 | 0.672483 |
| 32 | 0.010315 | 0.682280 |
| 33 | 0.010327 | 0.692076 |
| 34 | 0.010338 | 0.701872 |
| 35 | 0.010350 | 0.711669 |
| 36 | 0.010361 | 0.721465 |
| 37 | 0.010373 | 0.731261 |
| 38 | 0.010384 | 0.741058 |
| 39 | 0.010396 | 0.750854 |
| 40 | 0.010407 | 0.760650 |
| 41 | 0.010419 | 0.770446 |
| 42 | 0.010430 | 0.780243 |
| 43 | 0.010442 | 0.790039 |
| 44 | 0.010453 | 0.799835 |
| 45 | 0.010465 | 0.809632 |
| 46 | 0.010476 | 0.819428 |
| 47 | 0.010488 | 0.829224 |
| 48 | 0.010499 | 0.839020 |
| 49 | 0.010511 | 0.848817 |
| 50 | 0.010522 | 0.858613 |
| 51 | 0.010534 | 0.868409 |
| 52 | 0.010545 | 0.878206 |
| 53 | 0.010557 | 0.888002 |
| 54 | 0.010568 | 0.897798 |
| 55 | 0.010580 | 0.907594 |
| 56 | 0.010591 | 0.917391 |
| 57 | 0.010603 | 0.927187 |
| 58 | 0.010614 | 0.936983 |
| 59 | 0.010626 | 0.946780 |
| 60 | 0.010637 | 0.956576 |
| 61 | 0.010649 | 0.966372 |
| 62 | 0.010660 | 0.976169 |
| 63 | 0.010672 | 0.985965 |
| 64 | 0.010683 | 0.995761 |
| PICARD SWIR Spectrometer Target SRFs (in microns) |
||
| Band Number | FWHM | Center |
| 65 | 0.009900 | 1.008538 |
| 66 | 0.009911 | 1.018548 |
| 67 | 0.009921 | 1.028558 |
| 68 | 0.009932 | 1.038568 |
| 69 | 0.009943 | 1.048578 |
| 70 | 0.009953 | 1.058588 |
| 71 | 0.009964 | 1.068598 |
| 72 | 0.009974 | 1.078608 |
| 73 | 0.009985 | 1.088618 |
| 74 | 0.009995 | 1.098628 |
| 75 | 0.010006 | 1.108638 |
| 76 | 0.010016 | 1.118648 |
| 77 | 0.010027 | 1.128658 |
| 78 | 0.010038 | 1.138668 |
| 79 | 0.010048 | 1.148678 |
| 80 | 0.010059 | 1.158688 |
| 81 | 0.010069 | 1.168698 |
| 82 | 0.010080 | 1.178708 |
| 83 | 0.010090 | 1.188718 |
| 84 | 0.010101 | 1.198728 |
| 85 | 0.010112 | 1.208738 |
| 86 | 0.010122 | 1.218748 |
| 87 | 0.010133 | 1.228758 |
| 88 | 0.010143 | 1.238768 |
| 89 | 0.010154 | 1.248778 |
| 90 | 0.010164 | 1.258788 |
| 91 | 0.010175 | 1.268798 |
| 92 | 0.010186 | 1.278808 |
| 93 | 0.010196 | 1.288818 |
| 94 | 0.010207 | 1.298828 |
| 95 | 0.010217 | 1.308838 |
| 96 | 0.010228 | 1.318848 |
| 97 | 0.010238 | 1.328858 |
| 98 | 0.010249 | 1.338868 |
| 99 | 0.010260 | 1.348877 |
| 100 | 0.010270 | 1.358887 |
| 101 | 0.010281 | 1.368897 |
| 102 | 0.010291 | 1.378907 |
| 103 | 0.010302 | 1.388917 |
| 104 | 0.010312 | 1.398927 |
| 105 | 0.010323 | 1.408937 |
| 106 | 0.010333 | 1.418947 |
| 107 | 0.010344 | 1.428957 |
| 108 | 0.010355 | 1.438967 |
| 109 | 0.010365 | 1.448977 |
| 110 | 0.010376 | 1.458987 |
| 111 | 0.010386 | 1.468997 |
| 112 | 0.010397 | 1.479007 |
| 113 | 0.010407 | 1.489017 |
| 114 | 0.010418 | 1.499027 |
| 115 | 0.010429 | 1.509037 |
| 116 | 0.010439 | 1.519047 |
| 117 | 0.010450 | 1.529057 |
| 118 | 0.010460 | 1.539067 |
| 119 | 0.010471 | 1.549077 |
| 120 | 0.010481 | 1.559087 |
| 121 | 0.010492 | 1.569097 |
| 122 | 0.010503 | 1.579107 |
| 123 | 0.010513 | 1.589117 |
| 124 | 0.010524 | 1.599127 |
| 125 | 0.010534 | 1.609137 |
| 126 | 0.010545 | 1.619147 |
| 127 | 0.010555 | 1.629157 |
| 128 | 0.010566 | 1.639167 |
| 129 | 0.010577 | 1.649177 |
| 130 | 0.010587 | 1.659187 |
| 131 | 0.010598 | 1.669197 |
| 132 | 0.010608 | 1.679207 |
| 133 | 0.010619 | 1.689217 |
| 134 | 0.010629 | 1.699227 |
| 135 | 0.010640 | 1.709237 |
| 136 | 0.010650 | 1.719247 |
| 137 | 0.010661 | 1.729257 |
| 138 | 0.010672 | 1.739267 |
| 139 | 0.010682 | 1.749277 |
| 140 | 0.010693 | 1.759287 |
| 141 | 0.010703 | 1.769297 |
| 142 | 0.010714 | 1.779307 |
| 143 | 0.010724 | 1.789317 |
| 144 | 0.010735 | 1.799327 |
| 145 | 0.010746 | 1.809337 |
| 146 | 0.010756 | 1.819347 |
| 147 | 0.010767 | 1.829357 |
| 148 | 0.010777 | 1.839367 |
| 149 | 0.010788 | 1.849377 |
| 150 | 0.010798 | 1.859387 |
| 151 | 0.010809 | 1.869397 |
| 152 | 0.010820 | 1.879406 |
| 153 | 0.010830 | 1.889416 |
| 154 | 0.010841 | 1.899426 |
| 155 | 0.010851 | 1.909436 |
| 156 | 0.010862 | 1.919446 |
| 157 | 0.010872 | 1.929456 |
| 158 | 0.010883 | 1.939466 |
| 159 | 0.010894 | 1.949476 |
| 160 | 0.010904 | 1.959486 |
| 161 | 0.010915 | 1.969496 |
| 162 | 0.010925 | 1.979506 |
| 163 | 0.010936 | 1.989516 |
| 164 | 0.010946 | 1.999526 |
| 165 | 0.010957 | 2.009536 |
| 166 | 0.010967 | 2.019546 |
| 167 | 0.010978 | 2.029556 |
| 168 | 0.010989 | 2.039566 |
| 169 | 0.010999 | 2.049576 |
| 170 | 0.011010 | 2.059586 |
| 171 | 0.011020 | 2.069596 |
| 172 | 0.011031 | 2.079606 |
| 173 | 0.011041 | 2.089616 |
| 174 | 0.011052 | 2.099626 |
| 175 | 0.011063 | 2.109636 |
| 176 | 0.011073 | 2.119646 |
| 177 | 0.011084 | 2.129656 |
| 178 | 0.011094 | 2.139666 |
| 179 | 0.011105 | 2.149676 |
| 180 | 0.011115 | 2.159686 |
| 181 | 0.011126 | 2.169696 |
| 182 | 0.011137 | 2.179706 |
| 183 | 0.011147 | 2.189716 |
| 184 | 0.011158 | 2.199726 |
| 185 | 0.011168 | 2.209736 |
| 186 | 0.011179 | 2.219746 |
| 187 | 0.011189 | 2.229756 |
| 188 | 0.011200 | 2.239766 |
| 189 | 0.011211 | 2.249776 |
| 190 | 0.011221 | 2.259786 |
| 191 | 0.011232 | 2.269796 |
| 192 | 0.011242 | 2.279806 |
| 193 | 0.011253 | 2.289816 |
| 194 | 0.011263 | 2.299826 |
| 195 | 0.011274 | 2.309836 |
| 196 | 0.011284 | 2.319846 |
| 197 | 0.011295 | 2.329856 |
| 198 | 0.011306 | 2.339866 |
| 199 | 0.011316 | 2.349876 |
| 200 | 0.011327 | 2.359886 |
| 201 | 0.011337 | 2.369896 |
| 202 | 0.011348 | 2.379905 |
| 203 | 0.011358 | 2.389915 |
| 204 | 0.011369 | 2.399925 |
