a sub 5m gsd remote sensing payload for 3u...
TRANSCRIPT
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ESA UNCLASSIFIED - For Official Use
Thys Cronje – Simera Sense
14/11/2018
A sub 5m GSD remote sensing payload for 3U Cubesats
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More det ai l . Less sat el l i t e.
Simera Sense is a remote sensing product company
We are on a mission to increase the detail that can be sensed with small satellites.
xScape100
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Lim it ed com m ercial use
There is a believe in the market that remote sensing data from small satellites
have poor image quality and accuracy with restricted commercial use.
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Non op t im al fo r rem ot e sensing
The modular, off-the-shelf subsystem approach of CubeSat suppliers
results in a non-optimized solution for remote sensing payloads.
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We p ro d u ce a n e xce p t io n a l p o we r fu l re m o te s e n s in g p a ylo a d fo r t h e s m a lle s t
s p a ce
More detail
More Bands
More Depth
More Often
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The xScape100 payload ser ies
7-Band multispectral VNIR with TDI capabilities.
154-band hyperspectral capability with 5nm FWHM
Super HD format sensor with video capabilities.
TriScape100
MultiScape100
HyperScape100
xScape100
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xScape100 Opt ical Fron t -End
Designed to maximize the performance within the constraints of a 3U structure.
Technical Specif icat ions
Foca l Length 580 m m
Front Aperture 94.8 m m
Obscura tion 47.2 m m
Fie ld of View 2.96°
Transm ission 450 – 900 nm
Im age Circle 30 m m
Opera ting Tem pera ture 0°C - 40°C
MTF 40% @ 47 cy/m m20% @ 93 cy/m m
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xScape100 Opt ical Fron t -End
Designed to maximize the performance within the constraints of a 3U structure.
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xScape100 Opt ical Fron t -End
Designed to maximize the performance within the constraints of a 3U structure.
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Tr iScape100
Technical Specif icat ions
Resolu tion 12 MP – 4096 x 3072 p ixe ls
Pixe l Size 5.5 x 5.5 μm
Spectra l Bands Monochrom e or RGB
GSD 4.00 m @ 420 km4.75 m @ 500 km5.20 m @ 550 km
Swath 16.3 x 12.2 km19.4 x 14.5 km21.3 x 16.0 km
Video 1080p30
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Mult iScape100
Creating the next-generation multispectral TDI imager in a push broom configuration.
Technical Specif icat ions
Array Size 4096 p ixe ls across track
Pixe l Size 5.4 x 5.4 μm
Num ber of bands 7 Bands
TDI stages 1-to-256
Bit Depth 12 b its
GSD 3.90 m @ 420 km4.65 m @ 500 km5.12 m @ 550 km
Swath 16.0 km @ 420 km19.0 km @ 500 km21.0 km @ 550 km
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Great images starts with a great sensor.
Mult iScape100
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Hyper Scape100
Hyperspectral performance in a very small package using the latest on-pixel filter technology.
Technical Specif icat ions
Array Size 4096 p ixe ls across track
Pixe l Size 5.5 x 5.5 μm
Num ber of bands 154 Bands (470 – 900 nm )
FWHM 5 nm10 nm (2 x 2 b inning)20 nm (4 x 4 b inning)
TDI stages 12 Digita l TDI
Bit Depth 10 b its
GSD @ 500km 4.75 m9.50 m (2 x 2 b inning)19.0 m (4 x 4 b inning)
Swath @ 500 km 19.4 km
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Hyper Scape100
Spectral Response and SNR predictions.
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Em b e d d e d ADCS fo r 3 -a xis co n t ro l
Radiation tolerant onboard computer
Sensor and actuator board with 3-axis gyro
Fine sun sensors
Three reaction wheels
Two torque rods & one torque coil
One deployable 3-axis magnetometer
ADCS estimators and controllers for target tracking
Wide angle star tracker
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Em b e d d e d ADCS fo r 3 -a xis co n t ro l
Attitude measurement accuracy:< 0.03° (3σ)
Attitude control accuracy:< 0.07° (3σ) pointing;
5 millideg/s rate stability
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A deep learning FPGA platform with a convolutional neural network core option for
onboard image processing.
Up to 1Tbit of onboard NAND Flash storage.
16 Gbit DDR4 SDRAM memory
Robust. Compact. Light. Powerful.
Weighs 1.82 kg
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TriScape100
June 2019:TriScape100 in-orbit demonstration
November 2019:MultiScape100 in-orbit demonstration
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Research & Development
Launch Partners & Regulatory
Mission Operations &
Ground Stations
Assembly, Integration &
Testing
Solution & Application
Development
Calibration, Correction &
Hosting
Become par t of our value chain
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Imagine what we could do for your earth observation mission.
More Detail. Smaller Sate llite .