space big data
TRANSCRIPT
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SPACE BIG DATA
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Nano-Satellite
Manufacturing
Constellation
& Formation Flying
Satellite Image
Big Data Analysis
Value Added Service
For End-Users
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❖ Following New Space Philosophy
Satellite Manufacturing Service
Few chances to On-Orbit Test
Maximum System Margin for Success
High Performance, Responsibility
Trial and Error, On-Orbit Test Directly
Minimum Margin for Revenue
Optimization, Efficiency, Fast
Old Space(Failure is not an option) New Space(Batting Average)
COTSMass Production
Mass Launch
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❖ NST Standard Avionics (1.5U)
Satellite Manufacturing Service
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❖ NST Standard Box (3U+1U)
Satellite Manufacturing Service
NST Standard Avionics
Integrated AOCS
(Star-tracker, MTQ,
3-Axis Reaction Wheels, IMU)
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❖ Support System
Satellite Manufacturing Service
12U(8U for Payload)
6U(3U for Payload)
16U (12U for Payload)
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Satellite Manufacturing Service
Observer-1 (1.5m GSD EO)
Parameter Specification
Bus Spec.
Title 16U Bus System
Mission life 3 yrs (minimum)
MassBus : 11.7 kg (4U)Payload : 12.3 kg (12U)
Size (16 U)Stowed: 226.3 x 226.3 x 454 mmDeployed: 912x 912 x 454 mm
Power Generation 53.94 Wh (Sun Pointing mode)
Power Consumption 28.95 Wh (Max: Download mode)
DoD 10.17 % (Max)
Bus I/F CAN Bus, RS-422
G/S contact durationTM/TC : 312 sec (avg.)Data Download: 338 sec (avg.)
Comm.
S-band uplink (TC)
Up to 38.4 kbps
S-band Downlink(T
M)Up to 38.4 bps
X-band Downlink
(Tx)Up to 50 Mbps
Attitude Control3 axis stabilizationStar Tracker, Reaction wheels, MTQ, IMU
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Satellite Manufacturing Service
Observer-1 (1.5m GSD EO)
+X
+Y
+Z
451.75 mm
+X +Y
+Z
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Satellite Manufacturing Service
Observer-1 (1.5m GSD EO)
Structure
EOC
X-band Tx
Battery Pack X2 EPS/ACU/PDU
PDHS
Bus I/F Board
OFE Interface Bracket
Payload OBC
I/F Board
AOCS Module
OBC/S-band TxRx
Deployable solar panels
Sun sensor
GPS antenna
S-band antenna (P)
S-band antenna (R)
S-band antenna (P)
X-band antenna
S-band antenna (R)
EOC
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Satellite Manufacturing Service
Observer-1 (1.5m GSD EO)
Structure
EOC
X-band Tx
Battery Pack X2 EPS/ACU/PDU
PDHS
Bus I/F Board
OFE Interface Bracket
Payload OBC
I/F Board
AOCS Module
OBC/S-band TxRx
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❖ NASA-KASI Satellite for fine dust pollution monitoring with polarization camera
Satellite Manufacturing Service
+X
+Y
+Z
340.5 mm
BusanSat(Polarization Camera)
Fine dust monitoring for Busan with polarization camera (Busan City, Busan TP, KASI and NASA)
Parameter Specification
Bus Spec.
Title 12U Bus System
Mission life 3 yrs (minimum)
MassBus : 11.7 kg (4U)Payload : 12.3 kg (8U)
Size (12 U)Stowed: 226.3 x 226.3 x 366 mmDeployed: 912x 912 x 366 mm
Power Generation 53.94 Wh (Sun Pointing mode)
Power Consumption 28.95 Wh (Max: Download mode)
DoD 10.17 % (Max)
Bus I/F CAN Bus, RS-422
G/S contact durationTM/TC : 312 sec (avg.)Data Download: 338 sec (avg.)
Comm.
S-band uplink (TC)
Up to 38.4 kbps
S-band Downlink(T
M)Up to 38.4 bps
X-band Downlink
(Tx)Up to 50 Mbps
Attitude Control3 axis stabilizationStar Tracker, Reaction wheels, MTQ, IMU
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Satellite Manufacturing Service
Structure
PolCube
OBC
S-band TxRx
EPS
Battery X2
X-band Tx
PDHSAOCS module
GPS antenna
Sun Sensor
X-band antenna
S-band antenna
Solar Panels
TSP
PolCube
BusanSat(Polarization Camera)
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Satellite Manufacturing Service
Vegetation / Agriculture (H.S Camera)
Parameter Specification
Bus Spec.
Title 3U Bus System
Mission life 3 yrs
MassBus : 8 kg (3U) Payload : 4 kg (3U)
Size (6 U)Stowed: 100 x 226.3 x 366 mmDeployed: 832 x 226.3 x 366 mm
Power Generation 33.72 Wh (Sun Pointing mode)
Power Consumption 28.95 Wh (Max: Download mode)
DoD 20.34 % (Max)
Bus I/F CAN Bus, RS-422
G/S contact durationTM/TC : 312 sec (avg.)Data Download: 338 sec (avg.)
Comm.
S-band uplink (TC)
Up to 38.4 kbps
S-band Downlink(T
M)Up to 38.4 bps
X-band Downlink
(Tx)Up to 50 Mbps
Attitude Control3 axis stabilizationStar Tracker, Reaction wheels, MTQ, IMU
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❖ Super Resolution & Data Fusion
◆ Dove x Sentinel-2
Super Resolution
Sentinel-2 LR
RGB + NIR
+ Red Edge +
SWIR
(52.8 m)
Dove LR
RGB+NIR
(13.2 m)
Training Results
RGB + NIR
+ Red Edge +
SWIR
(13.2 m)
ABPN for x4
Training
Phase
Testing
Phase
Sentinel-2
RGB + NIR
+ Red Edge
+ SWIR
(13.2 m)
Dove
RGB+NIR
(3.3 m)
Sentinel-2 HR
RGB + NIR
+ Red Edge +
SWIR
(3.3 m)
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© 2020 NARA Space Technology Inc,
연구내용
B. Dove-Sentinel 2 영상융합
▪ 연구결과 : Sentinel 2-Dove fusion
13.2 m (False Color)13.2 m (False Color)3.3 m (False Color)
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© 2020 NARA Space Technology Inc,
연구내용
B. Dove-Sentinel 2 영상융합
▪ 연구결과 : Sentinel 2-Dove fusion
13.2 m (False Color)13.2 m (False Color)3.3 m (False Color)
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❖ Super Resolution with KARI(Technology Transfer Ongoing)
Super Resolution
Different RegionDifferent Payload Different Time
HighResolution
Low Resolution
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Super Resolution(w/ KARI, Sentinel to Dove)
Central Park, New York
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Super Resolution(w/ KARI, Sentinel to Dove)
JFK Airport, New York
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❖ Super Resolution with KARI(Technology Transfer Ongoing)
Super Resolution
10 m
1.5 m 0.5 m
3 m
5 m 1 m
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❖ ~1m Resolution, less than 100kg mass
Satellite Manufacturing Service
Planet Labs(Skysat-3)
60 cm × 60 cm × 95 cm110kg
40 cm × 43 cm × 75 cm 37kg
Satellogic(NuSat)
20 cm × 20 cm × 40 cm< 25kg
40 cm × 40 cm × 90 cm56kg
BlackSky(BlackSky Global)
NARA Space Tech.(Observer-1)
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Satellite Manufacturing Service
AI&T, Manufacturing(Busan)
Subsystem developments(Seoul)
Test Bed for Mass Production In-House Test Software
COTS Screening COTS Based Manufacturing
Productivity
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Satellite Manufacturing Service
Phase 1
2021~2023
1 Sat / 1.5 Year
Phase 2
2023~2025
6 Sat / 12 months / 1 team
Phase 3
2025~
1 Sat / 1 day
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Phase 2
Early Bird
50 %off
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NST Space Programs
2021 2022 2023 20252024
Oxygen Alpha & Beta Oxygen 2023 Oxygen 2024 Oxygen 2025 Oxygen 2026
x 24
Science PayloadOBC+CAM sys
IF Board, DSS, MTQISL x 2, DSS
OBC+UHF OBC
IF Board, x2, DSS
IF Board, x2
x 12
Launch PlannedLaunch Complete Delivery Complete Now Manufacturing
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Nano-Satellite
Manufacturing
Constellation
& Formation Flying
Satellite Image
Big Data Analysis
Value Added Service
For End-Users
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Satellite Big data
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Satellite Big data
DOVE WorldView 2,3
ICEYE-X2 GEO-KOMPSAT2Sentinel-2A,2B
MODIS-TerraLandsat 8Sentinel-1
KOMPSAT-3A
SAR EOIR H.S.
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Environment City ManagingVessel Monitoring Coming SoonFinance Defense
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❖ Industrial Water Monitoring
◆Shih-men Reservoir Near by Hsinchu Fab of TSMC
➢ Shih-men reservoir is the biggest reservoir of northern Taiwan
Finance
Image from EO Browser
Shih-men Reservoir, 2020-04-30 Shih-men Reservoir, 2021-04-20
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❖ Industrial Water Monitoring
◆Analysis data format
➢ binary mask image data
➢ surface area
Finance
input file
output file
2021/04/20 Area (𝟒. 𝟖𝟎𝟏𝟑 𝒌𝒎2)
2018/04/06 Area (𝟕. 𝟕𝟔𝟏𝟗 𝒌𝒎2)
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❖ Industrial Water Monitoring
◆Shih-men Reservoir Near by Hsinchu Fab of TSMC
➢ Shih-men reservoir is the biggest reservoir of northern Taiwan
➢ It can affect the amount of car manufacturing
Finance
7.7619
6.954
6.0206
4.7504
2018.04.06 2019.04.01 2020.04.07 2021.04.14
Annual Surface Size of Shih-men Reservoir
Size(sqkm)
Ulsan factory of Hyundai in 2019. 08
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Vessel Monitoring - ScanSAR(15m GSD, 100km x 100km FOV)
❖ ScanSAR for Wide Area Monitoring(w/ ICEYE SAR image)
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Vessel Monitoring - EO(3m GSD, High Temporal Resolution)
❖ Red : True Positive
❖ Yellow : False Positive
❖ White : False Negative
F1 Score
Ave : 89.11
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Vessel Monitoring - EO(3m GSD, High Temporal Resolution)
❖ Red : True Positive
❖ Yellow : False Positive
❖ White : False Negative
F1 Score
Ave : 89.11
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Vessel Monitoring - SAR(3m GSD)
❖Red : True Positive
❖Yellow : False Positive
❖White : False Negative
F1 Score
Ave : 95.03
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❖ SAR Data for Vessel and Port Monitoring(w/ ICEYE SAR image)
◆Rotterdam
Vessel Monitoring - SAR(0.5m GSD)
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❖ Sample Time : AM 3:00, Target Area : Yeongdo, Busan
❖ SAR and AIS Data Combination for Illegal Ship Detection(Dark Vessel)
❖ Red Arrow : AIS Data Reported(Other Ships Turn-Off the AIS Device)
Vessel Monitoring - SAR & AIS
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❖ Hwanggang Dam Monitoring for K-water(w/ ICEYE SAR image)
Defense
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❖ Hwanggang Dam Monitoring for K-water(w/ ICEYE SAR image)
Defense
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Service Platform
Earth PaperClosed Beta on Dec. 2021
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Thank you for your attention