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Space Domain > Space Information Architecture > Flashcards

Space Information Architecture Flashcards

1
Q

Data Collection

A

“The process of gathering information from sensors, satellites, and other sources in the space domain.”

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2
Q

Data Transmission

A

“The relay of collected data from space assets to ground stations and end users for analysis and action.”

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3
Q

Telemetry

A

“Data transmitted from spacecraft to ground control, including status updates, position, and system performance metrics.”

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4
Q

Data Processing

A

“The transformation of raw data into meaningful information through algorithms, filtering, and interpretation.”

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5
Q

Bandwidth

A

“The amount of data that can be transmitted over a communication channel in a given time.”

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6
Q

Latency

A

“The time delay between data transmission and reception, critical for real-time space applications.”

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7
Q

Ground Station

A

“A terrestrial facility that communicates with satellites and spacecraft, facilitating data exchange and command operations.”

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8
Q

Space-Based Sensors

A

“Instruments on satellites or spacecraft used to collect data about Earth, space, or celestial bodies.”

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9
Q

Remote Sensing

A

“The use of satellites to gather data about Earth’s surface without direct contact, used for mapping, monitoring, and analysis.”

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10
Q

Network Architecture

A

“The design of communication systems that enable reliable data transmission between space and ground assets.”

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11
Q

Interoperability

A

“The ability of different systems and organizations to work together by sharing data and resources seamlessly.”

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12
Q

Cloud Computing

A

“The use of internet-based servers to store, process, and analyze space-derived data.”

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13
Q

Data Fusion

A

“The integration of data from multiple sources to provide a comprehensive picture for decision-making.”

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14
Q

Encryption

A

“The process of securing data transmissions to prevent unauthorized access or tampering.”

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15
Q

Resilience

A

“The ability of information systems to withstand and recover from disruptions or attacks.”

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16
Q

Spectrum Management

A

“The regulation and allocation of radio frequencies to prevent interference between communication systems.”

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17
Q

Low-Latency Networks

A

“Communication networks designed to minimize delay, essential for applications like satellite internet.”

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18
Q

Artificial Intelligence (AI)

A

“The use of machine learning and other techniques to analyze space data and improve decision-making.”

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19
Q

Edge Computing

A

“Processing data closer to the source, such as on satellites, to reduce latency and bandwidth demands.”

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20
Q

Big Data Analytics

A

“The examination of large datasets generated by space systems to identify trends, patterns, and insights.”

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21
Q

Geospatial Data

A

“Information about the Earth’s surface, often derived from satellite imagery, used in mapping and analysis.”

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22
Q

Data Relay Satellites

A

“Satellites that facilitate communication between other satellites and ground stations, enhancing coverage and data flow.”

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23
Q

Orbital Data Links

A

“Communication pathways that connect satellites to each other and to ground systems.”

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24
Q

Command and Control (C2)

A

“The ability to issue instructions and manage the operations of space assets.”

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25
Q

Telemetry

A

Tracking

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26
Q

Distributed Systems

A

“A network of interconnected systems that share data and resources to enhance resilience and efficiency.”

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27
Q

Satellite Constellations

A

“Groups of satellites that work together to provide continuous coverage and data collection.”

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28
Q

Electromagnetic Interference (EMI)

A

“Disruption of satellite communications caused by natural or artificial sources.”

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29
Q

Cybersecurity

A

“Measures taken to protect space communication systems from cyber threats such as hacking and malware.”

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30
Q

Space Weather Effects

A

“Impacts of solar activity on satellite communications, including disruptions to data transmission.”

31
Q

Quality of Service (QoS)

A

“The performance level of a communication system, measured by metrics like bandwidth, latency, and reliability.”

32
Q

Data Integrity

A

“The assurance that data is accurate, complete, and unaltered during transmission or storage.”

33
Q

Ground Segment

A

“The infrastructure on Earth, including ground stations and data processing centers, that supports space operations.”

34
Q

Space Network Operations

A

“The management of data flows and communication links between space and terrestrial systems.”

35
Q

Telemetry Data Analysis

A

“The interpretation of data sent by spacecraft to assess their health and performance.”

36
Q

Data Redundancy

A

“The duplication of data to ensure availability and reliability in case of system failures.”

37
Q

Adaptive Communication

A

Systems that dynamically adjust transmission parameters to optimize data flow and minimize disruptions.

38
Q

Information Architecture

A

The design and implementation of frameworks for the collection, processing, and dissemination of data in space operations.

39
Q

Data Collection

A

The acquisition of raw data through sensors, payloads, and telemetry systems on satellites or other space assets.

40
Q

RF Sensing

A

The use of radio frequency sensors to collect signals and identify objects or conditions in space.

41
Q

Telemetry Systems

A

Hardware and software configurations on spacecraft that transmit status and operational data back to Earth.

42
Q

Laser Communication

A

High-speed data transmission technology using lasers, enabling higher bandwidth and reduced latency compared to RF.

43
Q

Onboard Data Processing

A

Computational systems located on satellites to process data locally, reducing the need for immediate transmission to Earth.

44
Q

Inter-Satellite Links (ISL)

A

Communication pathways that enable satellites within a constellation to share data directly.

45
Q

Ground Segment Automation

A

The use of algorithms and robotics to optimize ground station operations for space data management.

46
Q

Ka-Band Communications

A

A high-frequency radio band used for satellite communications, offering higher bandwidth compared to traditional bands.

47
Q

Software-Defined Radio (SDR)

A

Reconfigurable radio technology used in satellites to dynamically adapt to communication needs.

48
Q

Data Compression

A

Techniques to reduce the size of data packets for efficient transmission over limited-bandwidth channels.

49
Q

Forward Error Correction (FEC)

A

A method of error control for data transmission that improves reliability by detecting and correcting errors.

50
Q

Adaptive Modulation

A

A technique where communication parameters are adjusted in real-time based on signal quality to maximize data throughput.

51
Q

Time-Division Multiple Access (TDMA)

A

A method of allocating communication channels by dividing time into slots, used in satellite communication networks.

52
Q

Signal-to-Noise Ratio (SNR)

A

A measure of signal clarity in data transmission, critical for maintaining communication integrity.

53
Q

Kalman Filtering

A

An algorithm used for real-time data fusion and error correction in tracking and navigation systems.

54
Q

Network Time Protocol (NTP)

A

A protocol ensuring precise time synchronization across distributed communication systems.

55
Q

Geospatial Information Systems (GIS)

A

Software tools for mapping and analyzing spatial data collected from satellites.

56
Q

Crosslink Frequency Bands

A

Frequencies used for inter-satellite communication, reducing reliance on ground stations.

57
Q

Low-Density Parity-Check Codes (LDPC)

A

Error correction codes used in modern satellite communication systems to improve data reliability.

58
Q

Multi-Access Protocols

A

Communication protocols allowing multiple satellites or ground stations to share a single transmission channel.

59
Q

Data Encryption Standards (DES)

A

Cryptographic methods used to secure satellite data against interception or tampering.

60
Q

Orbital Data Relay Satellites

A

Specialized satellites that relay data between operational satellites and ground stations.

61
Q

Spectrum Allocation

A

The assignment of specific frequency ranges to communication systems to avoid interference.

62
Q

Digital Signal Processing (DSP)

A

The use of algorithms to analyze and modify digital signals collected from sensors or communication systems.

63
Q

Data Latency Mitigation

A

Strategies to reduce delays in data transmission, such as using relay satellites or edge computing.

64
Q

Artificial Neural Networks (ANN)

A

AI-based algorithms used to process and classify space-derived data efficiently.

65
Q

Orbital Slot Management

A

The coordination of satellite positions to prevent signal interference and collisions.

66
Q

Telemetry Frame Formats

A

The structured arrangement of telemetry data packets for efficient decoding and analysis.

67
Q

SpaceWire

A

A high-speed data transfer standard used in spacecraft to interconnect sensors and processors.

68
Q

Distributed Satellite Operations

A

Management of constellations where individual satellites perform specific tasks collaboratively.

69
Q

Dynamic Resource Allocation

A

Real-time adjustment of communication resources based on demand and operational priorities.

70
Q

Cyber Threat Detection Systems

A

Technologies and algorithms designed to identify and counteract potential cyberattacks on space assets.

71
Q

Radiometric Calibration

A

Techniques to ensure accuracy in data measurements collected by space sensors.

72
Q

Interference Mitigation Techniques

A

Methods like filtering and beamforming to reduce unwanted signals in satellite communications.

73
Q

Fault-Tolerant Architectures

A

Design principles ensuring system functionality despite hardware or software failures.

74
Q

Spaceborne AI

A

Artificial intelligence deployed on satellites to autonomously process data and optimize operations.

Space Domain (4 decks)

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