SPACE BIG DATA

SPACE BIG DATA

Nano-Satellite

Manufacturing

Constellation

& Formation Flying

Satellite Image

Big Data Analysis

Value Added Service

For End-Users

❖ 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

❖ NST Standard Avionics (1.5U)


❖ NST Standard Box (3U+1U)


NST Standard Avionics

Integrated AOCS

(Star-tracker, MTQ,

3-Axis Reaction Wheels, IMU)

❖ Support System


12U(8U for Payload)

6U(3U for Payload)

16U (12U for Payload)


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



+X

+Y

+Z

451.75 mm

+X +Y

+Z



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



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

❖ NASA-KASI Satellite for fine dust pollution monitoring with polarization camera


+X

+Y

+Z

340.5 mm

BusanSat(Polarization Camera)

Fine dust monitoring for Busan with polarization camera (Busan City, Busan TP, KASI and NASA)


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



DoD 10.17 % (Max)



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



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)


Vegetation / Agriculture (H.S Camera)


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



DoD 20.34 % (Max)



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


❖ 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)

© 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)

© 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)

❖ Super Resolution with KARI(Technology Transfer Ongoing)

Super Resolution

Different RegionDifferent Payload Different Time

HighResolution

Low Resolution

Super Resolution(w/ KARI, Sentinel to Dove)

Central Park, New York

Super Resolution(w/ KARI, Sentinel to Dove)

JFK Airport, New York

❖ Super Resolution with KARI(Technology Transfer Ongoing)

Super Resolution

10 m

1.5 m 0.5 m

3 m

5 m 1 m

❖ ~1m Resolution, less than 100kg mass


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)


AI&T, Manufacturing(Busan)

Subsystem developments(Seoul)

Test Bed for Mass Production In-House Test Software

COTS Screening COTS Based Manufacturing

Productivity


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

Phase 2

Early Bird

50 %off

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

Nano-Satellite

Manufacturing

Constellation

& Formation Flying

Satellite Image

Big Data Analysis

Value Added Service

For End-Users

Satellite Big data

Satellite Big data

DOVE WorldView 2,3

ICEYE-X2 GEO-KOMPSAT2Sentinel-2A,2B

MODIS-TerraLandsat 8Sentinel-1

KOMPSAT-3A

SAR EOIR H.S.

Environment City ManagingVessel Monitoring Coming SoonFinance Defense

❖ 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


◆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)


◆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

Vessel Monitoring - ScanSAR(15m GSD, 100km x 100km FOV)

❖ ScanSAR for Wide Area Monitoring(w/ ICEYE SAR image)

Vessel Monitoring - EO(3m GSD, High Temporal Resolution)

❖ Red : True Positive

❖ Yellow : False Positive

❖ White : False Negative

F1 Score

Ave : 89.11

Vessel Monitoring - EO(3m GSD, High Temporal Resolution)

❖ Red : True Positive

❖ Yellow : False Positive

❖ White : False Negative

F1 Score

Ave : 89.11

Vessel Monitoring - SAR(3m GSD)

❖Red : True Positive

❖Yellow : False Positive

❖White : False Negative

F1 Score

Ave : 95.03

❖ SAR Data for Vessel and Port Monitoring(w/ ICEYE SAR image)

◆Rotterdam

Vessel Monitoring - SAR(0.5m GSD)

❖ 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

❖ Hwanggang Dam Monitoring for K-water(w/ ICEYE SAR image)

Defense

❖ Hwanggang Dam Monitoring for K-water(w/ ICEYE SAR image)

Defense

Service Platform

Earth PaperClosed Beta on Dec. 2021

Thank you for your attention

Documents

SPACE BIG DATA