Прибор. 3MI. [Редактировать]

Двунаправленный, мультиполяризационный, 12 узконаправленных каналов, VIS, NIR и SWIR, большая полоса захвата

Центр канала Размер диапазона Количество вариантов поляризации Соотношение сигнал/шум
410 nm 20 nm 3 100 @ 35.4 W m-2 sr-1 µm-1
443 nm 20 nm 3 100 @ 48.9 W m-2 sr-1 µm-1
490 nm 20 nm 3 100 @ 55.6 W m-2 sr-1 µm-1
555 nm 20 nm 3 100 @ 55.2 W m-2 sr-1 µm-1
670 nm 20 nm 3 100 @ 44.1 W m-2 sr-1 µm-1
754 nm 20 nm - 200 @ 36.6 W m-2 sr-1 µm-1
763 nm 10 nm - 200 @ 36.1 W m-2 sr-1 µm-1
865 nm 40 nm 3 100 @ 28.2 W m-2 sr-1 µm-1
910 nm 20 nm - 200 @ 25.2 W m-2 sr-1 µm-1
1,370 nm 40 nm 3 100 @ 10.7 W m-2 sr-1 µm-1
1,650 nm 40 nm 3 100 @ 6.8 W m-2 sr-1 µm-1
2,130 nm 40 nm 3 100 @ 2.9 W m-2 sr-1 µm-1

Дополнительные наименования

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Технические характеристики

#ХарактеристикаЗначение
1Масса, кг.60
2Мощность, Вт80
3Разрешение (IFOV), км 4
4Тип прибораоптико-электронный с низким разрешением
5Целевое назначениеИзмерение аэрозолей и частиц
6Тип сканераVIS/NIR канал: 512x512 CCD массив, каждый участок Земли возможно снимать с ~ 14 направлений по мере движения спутников. SWIR канал: 512x256 CCD массив, каждый участок возможно просматривать с ~ 12 направлений. Ширина полосы захвата 2200 км c обоих матриц.
7Скорость работы, Мбит/с6.53

Найдено 143 документов по запросу «3MI». [Перейти к поиску]


Дата загрузки: 2017-05-20
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0.1/5
... the oxygen A-band: application to 3MI and MSPI Article Published Version... the oxygen A-band: application to 3MI and MSPI. Atmospheric Measurement Techniques... the oxygen A-band: application to 3MI and MSPI AMTD Printer-friendly... performances of future instruments. The 3MI (Multi-angle, Multichannel and Multi... compare the information content of 3MI A-Band in two configurations and...-channel, Multi-polarization Imaging mission (3MI) on the EUMETSAT Polar System... the main characteristics of the 3MI and MSPI instruments that are... Printer-friendly Version Interactive Discussion 2 2.1 3MI characteristics 10 Cloud top altitude...-Channel, Multi-Polarization Imaging mission (3MI) is planned as part of... EUMETSAT polar satellites, EPS-SG. 3MI has been designed to observe... of 12 spectral channels. The 3MI concept largely leverages three previous... A-band at 763 nm (inband), 3MI is anticipated to provide measurements... of the Discussion Paper The 3MI and MSPI sensors combine both... channel appears more appropriate for 3MI in terms of instrument design... for vicarious calibration of the 3MI. It remains that a 754 nm... use with 3MI. Therefore, in addition to the anticipated 3MI baseline configuration... channel was initially envisioned for 3MI, the option consisting of the... in Fig. 2 and precomputed for 3MI based on EP-SG anticipated... its narrower swath compared to 3MI. 12717 Discussion Paper 2.4 Angular configurations... Paper 5 configurations. Similarly, the exact 3MI Instrument Spectral Response Function (ISRF... widths as currently specified for 3MI in the mission requirement document... to be thinner than for 3MI with a spectral width of 6 nm... of 762 nm). For both 3MI and MSPI the exact location... in-band/broad-band for 3MI) will be considered, in the... cloud top altitude (CTOP). As 3MI and MSPI configurations are not..., we only use here the 3MI’s thin-in/thinout configuration to... ratio for both MSPI and 3MI. Indeed, the ratio method leads... Radin,i 2 Radout,i 4.2 Inter-comparison of 3MI and MSPI – measurement information content... the continuum channel (MSPI or 3MI) or 3MI’s broadband channel. We introduce...) shows that information content of 3MI (thin-band/broad-band) is lower than 3MI (in-band/out-band) that... has less view angles than 3MI, it provides higher information. We... more suitable than those of 3MI for the current application. The... Discussion Paper 5 hereafter results for 3MI thin/broad configuration. This provides... 13 shows information content of 3MI A-band ratio for the reference... three different AS precomputed for 3MI orbits, as described in Fig... remain challenging using the anticipated 3MI spectral configuration. | Full Screen / Esc... by different future instruments, specifically, 3MI and MSPI. Although earlier studies... 15 respectively for MSPI and 3MI) and the retrieved parameters are... (nm) VIS-NIR | Table 1. Future 3MI spectral bands. AMTD Printer-friendly... / Esc | 12741 Discussion Paper Figure 1. 3MI’s filter models. The O2 transmittance... (745–785 nm), the blue 3MI’s in- or thin-band (758... the choice of MSPI’s and 3MI’s view angles. Printer-friendly Version... angular standard deviation of the 3MI’s A-band ratio. In red, CTOP... | Abstract Discussion Paper Figure 11. 3MI/MSPI information content comparison. Partial... errors of the A-band of (a) 3MI with the configuration using thin-band on broad-band, (b) 3MI with the in-band on... angles instead of 14 for 3MI. COT = 16, reff = 12 µm, veff... Figure 13. Information content of 3MI A-band for different COTs: (a) COT... Figure 14. Information content of 3MI A-band with a COT of 16... Figure 15. Information content of 3MI A-band with a COT of 16... Figure 16. Information content of 3MI A-band with a COT of 16...



Дата загрузки: 2017-03-10
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0.15/5
The MetOp Second Generation 3MI mission Ilias Manolis(1), Jérôme Caron(1), ...-channel, Multi-polarization imaging mission (3MI). This paper will present the... main design elements of the 3MI mission, primarily aimed at providing... chemistry and air quality. The 3MI instrument is a passive radiometer measuring..., Multi-channel, Multi-polarisation mission (3MI), polarimetry, POLDER, BRDF, Aerosols I. imaging..., Multi-channel, Multi-polarization Imager (3MI), to provide information on atmospheric..., SCA, RO, MWI, ICI and 3MI instruments are developed under the.... II. THE 3MI MISSION OBJECTIVES AND BENEFITS The 3MI mission is primarily... aerosol imagery delivered by the 3MI mission will facilitate the measurement...-polarization measurements delivered by the 3MI mission will allow for accurate... area of deficiency. Hence, the 3MI mission is expected to be... Glory satellite in March 2011. 3MI is an evolution of the... described. IV. THE 3MI MEASUREMENT CONCEPT The 3MI instrument collects accurate observations... the ‘multiviewing’ type of measurements, 3MI adopts a similar to the POLDER... next figure (Fig. 1). Figure 1. The 3MI measurement concept – This examples shows... a continuously rotating filter wheel. The 3MI instrument is providing a number of... 2130 nm. To achieve this, 3MI features two optical modules (VNIR... one (typical) of those. In 3MI, all channels are acquired (in....2° (ACT x ALT respectively), while the 3MI SWIR module features a FOV of... the sub-satellite track of 3MI (assumed ALT FOV = 50.2°) Fig.3 shows the 3MI (VNIR) footprint when the satellite... 3MI VNIR channels V. 3MI INSTRUMENT CHARACTERISTICS AND KEY PERFORMANCES A. 3MI Swath and Coverage 3MI.../PARASOL instrument. The swath of 3MI is much larger due to... of the instrument (±50.2° of 3MI compares with ±42.6° of POLDER3... VNIR is shown for the 3MI in this figure). Figure 4. Comparison of the 3MI (right) and POLDER3 (left) footprints... of altitude and swath of 3MI along the MetOp-SG orbit... The illumination geometry of the 3MI mission is obviously of great... for simplicity), for both the 3MI and POLDER-3. Their difference is... is worth noting that, for 3MI and for a larger part of... spatial sampling distance (SSD) of 3MI in both the along track... POLDER-3 and 3MI Figure 8. Scatteing Angle for POLDER-3 and 3MI (only the... law of the instrument (for 3MI this is an f-tan(THETA.... The way the SSD of 3MI varies across its FOV is... the filed of view of 3MI (red and green colours as... 40 40 Y Y[G]/N[R] Y D. Spectral Bands The 3MI spectral bands are shown in... well as the bands of 3MI at the beginning and the... last table is the current 3MI baseline. Red color is used... of the spectral coverage of 3MI towards both sides of the... nm, were originally considered for 3MI, however, they were finally replaced... polarized channels now baselined for 3MI (9 as compared to 3 of POLDER3... also see how the various 3MI channels are shared between the... ALT FOV between the two 3MI modules (VNIR & SWIR) in the... the predicted performances. TABLE III. 3MI ANGULAR SAMPLING PERFORMANCES Number of... 763 765 865 910 1020 3MI - End of Phase A Bandwidth (nm... SWIR VIS-NIR Bandwidth (nm) 3MI - Start of Phase A Central Wavelength... PARASOL POLDER Central Wavelength (nm) 3MI SPECTRAL BANDS 1370 1650 2130... the key performances of the 3MI instrument, a lot of effort has... the predicted performances of the 3MI current baseline for samples acquired.... TABLE IV. 3MI POLARISATION SENSITIVITY PEROFRMANCES Polarisation Sensitivity 3MI channel OZA ≤ 60° OZA > 60° All 3MI polarised channels... nm channel > 0.93 > 0.91 All 3MI non-polarised channels < 0.05 < 0.07... Similarly to the POLDER instrument, 3MI does not feature an on... a result, the output product of 3MI at instrument level (conventionally noted... a non-polarised (right) 3MI channel VI. THE 3MI INSTRUMENT DESIGN The two... are currently on-going. The 3MI instrument concept which was adopted.... Fig. 11 depicts this concept. A. 3MI Structure The main structural element of 3MI is the optical bench used... two modules are foreseen for 3MI. The two modules are similar... the instrument (VNIR & SWIR). Channel 3MI-9a (910 nm) is to... both modules. Figure 11. The 3MI instrument design concept (figures are... heater circuits. VII. CONCLUSIONS The 3MI mission will form part of... 21 years of operations. The 3MI measurements will allow for the...



Дата загрузки: 2016-12-05
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0.17/5
... detectors series, Metop-SG system (3MI), Mars exploration (Mamiss, etc….),….. Low... the multiviewing channel polarisation imager (3MI) of the EUMETSAT Polar System... Multi-Viewing -Channel -Polarisation Imager (3MI), planned to fly on the... prediction. The purpose of the 3MI is to provide multi-spectral... top of atmosphere outgoing radiance. 3MI does not have an onboard... presented in this paper. The 3MI design is based on PARASOL... mission to the needs of 3MI. However the monitoring of the... be a new challenge for the 3MI calibration as this spectral range... access to moon observations by 3MI would be beneficial to characterize... the same satellite will support 3MI with beneficial cross-calibration. Indeed... measurements for cross-calibration with 3MI. Further cross-calibration with Earth...



Дата загрузки: 2017-01-30
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0.19/5
... Depth Products from Future Missions 3MI on EPS-SG Sentinel-5 on... from Future Missions EPS-SG • 3MI • Sentinel-5 (UV/Vis/NIR/SWIR...-polarisation, multi-spectral aerosol mission, 3MI also the Copernicus Sentinel 5 (provided.../2013 – 8/11/2013, TSUKUBA, JAPAN 3MI on EPS-SG The Multi-Viewing, -Channel, -Polarisation Imaging (3MI) Mission of the EUMETSAT Polar.../2013 – 8/11/2013, TSUKUBA, JAPAN 3MI: Geophysical Products Primary objectives: HQ.../2013 – 8/11/2013, TSUKUBA, JAPAN 3MI: Channels Channel centre and width... Optical head c SWIR Optical head 3MI: Channels Channel centre and width... cloud top, Vegetation, fire (effects) 3MI: Acquisition up to 14 views... View 2N 3MI: Synergy with other EPS-SG Instruments 3MI Primary objective... 5. Aerosol absorption Channel baseline of 3MI & METimage with respect to the... by METimage, IASI-NG and 3MI which will provide more information...): • S5 Synergy UVN + VII, IRS, 3MI • S5 Performance Model Total amount... (infrared spectrometer), METimage (imager) and 3MI -> PMAp heritage ICAP AEROSOL OBSERVABILITY...



Дата загрузки: 2017-04-09
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0.16/5
...-viewing Multi-channel Multi-polarisation (3MI) Processing Chain (1/2) Dataset Dev Continuity...-viewing Multi-channel Multi-polarisation (3MI) Processing Chain (2/2) Dataset Dev Continuity...: 1 km LS: 2 km 5 m/s Performance requirements (3MI chain, 1/3) Dataset Horizontal Resolution Vertical... N/A TBD Cloud detection Performance requirements (3MI chain, 2/3) Dataset Horizontal Resolution Vertical... albedo Clear pixel N/A 5% Performance requirements (3MI chain, 3/3) Dataset Horizontal Resolution Vertical... Surface incoming shortwave radiation VII, (3MI, TBC) YES global regional Land...



Дата загрузки: 2017-01-30
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0.06/5
... Multi-channel Multi-polarization Imager 3MI Ultra-Violet /Visible/Near Infrared... 0.15 0.6 0.25 0.3 0.25 0.3 0.25 0.3 FWHM (µm) 3MI-2b Spectral Resolution Threshold (cm... 15 NASA: Aura/MLS 3MI-3 3MI-5 3MI-6 3MI -7 3MI -8 3MI-9a 3MI -10 3MI -11 3MI -12 SCA Utilisation... 0.410 (T) 3MI -9 17 17 Central Wavelength (µm) 3MI-4 0.25 Bandwidth (MHz) 3MI Channel 0.25...



Дата загрузки: 2017-04-08
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0.07/5
... Sentinel 5’s synergy with IRS and 3MI on METOP-SG for Protocol... Sentinel 5, the IRS instrument and 3MI, all mounted on the same... of the aerosol measurements of 3MI and the AQ pollutants measured... air quality (Shindell, Science, 2009). 3MI will be the only instrument... sets of Sentinel 5, IRS and 3MI will provide for air quality...



Дата загрузки: 2017-06-15
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0.11/5
... as OCI+, 250 m spatial resolution 3MI: POLDER heritage, 12 channel (410... view angle, polarimetrically sensitive imager 3MI: POLDER heritage, 12 channel (410... Report • Examined OCI and OCI-3MI options Capabilities of current satellite... (Two options: OCI and OCI-3MI polarimeter) • ACE Aerosol related Science.../VIIRS/OMI MISR OCI8 OCI-3MI ACE Yes Yes Yes Yes... MODIS/VIIRS/OMI MISR OCI-3MI ACE Sources, Processes, Transport and.../VIIRS/OMI MISR OCI8 OCI-3MI ACE Cloud-Aerosol Interaction (CAI.../VIIRS/OMI MISR OCI OCI+3MI ACE and so may be.../VIIRS/OMI MISR OCI OCI+3MI ACE and so may be..., Multi-polarization, Multispectral Imaging Mission (3MI) on MetOp Second Generation satellite...) mission (from PACE SDT Report) 3MI Specifications (from PACE SDT Report...



Дата загрузки: 2017-06-15
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0.19/5
... 1-1 I-'IHbiM 06l'l3aTeJlbCTBaM, 201 BblnyL4eHHbiM (3MI-1T1-1pOBaHHbiM) HanoronnaTeJlbllii-'IKOM paCXOAbl... VIHH opraHI-13al..ll-11-1- 3MI-1TeHTa 1..1eHHbiX 6yMar 1 - npoMelKyT04Hble A1... MYHI-11..\I-1naJlbHbiM 1..\eHHbiM 6yMaraM, 3MI-1T1-1pOBaHHbiM Ha CpOK He.....\l-1l'lM C l-1nOTe4HbiM noKpb1TI-1eM, 3MI-1T1-1pOBaHHbiM AO 01.01...



Дата загрузки: 2017-05-20
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0.14/5
... a Parasol follow-on instrument, called 3MI (Multiviewing multichannel multipolarization imager), for... the EUMETSAT Post-EPS programme. 3MI is an alternative concept, simpler... measurements would be to combine 3MI and APS. NOAA has declared... in the results of the 3MI phase 0 study. In October 2007... 3: Acronyms Acronym Spelled out Acronym 3MI 3 Multiviewing Multichannel Multipolarization Imager ADC...