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Introduction Of Small Satellite Application
卫星概念 Satellite Concept
利用空间特性进行特定应用的人造设备 An artificial device that uses spatial properties for specific applications.
全球卫星现状 Global Satellite Status
4338 satellites around the earth, 1071 orbiting satellites. (The deadline is August 2017)
The failure satellite is 2600
The normal operation is 1738
The United States 803
小微卫星类型 Small Satellite Type
Minisatellite ：a satellite that weighs less than 1000 kilograms.
小卫星研制流程 Development Process Of Small Satellite
小微卫星的主要特点 The Main Features Of Small Satellites
Introduction Of Small Satellite's Civil Function
Small Satellite Civilian Field
Small Satellite Function
Each function needs to be achieved with the number of small satellites.
Super-split and image stitching to provide 0.9m/8km image.
Video data analysis of global financial trends, traffic status.
Monitor corporate global asset distribution to provide accurate data for business management.
Assist police and forest fire monitoring to reduce natural disasters.
Improve navigation and positioning accuracy to 10CM level.
Internet, single-star capacity 8Gbit/s, brings users 50G/sec speed.
Biological experiment test.
Assess agriculture through multi-frequency spectrum and analyze the distribution of mineral resource.
Small Satellite Civil - Image Stitching
Carry out mass-produced optical systems, high-speed global shutters, CMOS area array sensors, ground synthesis of TDI for super-split and image stitching, 0.9m/8km images and 1.1m/2km×1.1km@30Hz/90s H .264 HD video (requires constellation).
High-definition picture inside a university campus in China
Small Satellite Civil - Space Video
Video data is used to analyze global financial trends; weather changes or traffic conditions to analyze whether the municipal infrastructure construction is reasonable, and real-time access to urban road traffic video, combined with weather clouds, emergencies, rely on cloud computing and artificial intelligence analysis, Optimize or even predict city traffic and reduce "congestion."
Google 24 small satellites
Small Satellite Civil Weather Forecast
The small satellite constellation can deliver five times the amount of data of existing satellites and can collect 10,000 data per day. They will be able to greatly improve the quality of short-term and long-term weather forecasts and provide customers with raw data and analytical data.
Small satellite constellation collects weather data
Small Satellite Civil - Enterprise Asset Monitoring And Evaluation
Companies can monitor their global distribution of assets through full-motion screenshots without having to deploy satellites or field teams on their own. Small satellites can capture up to 90 seconds of video each at different window times, and these video data can dramatically improve the accuracy of operations decisions made by users and businesses.
Small Satellite Civilian - Scientific Research Data Acquisition
A constellation of small satellites will generate up to 60 PB of ground-based observations of scientific quality each year, meeting the requirements of next-generation big data analytics, for users who need to automatically extract business and environmental information from high-quality analytic images and make predictions based on it. Provides a good platform.
Small satellite network
Small Satellite Civil - Natural Disaster Monitoring
Microsatellite network monitoring in real time around the world, especially in remote areas, assists public security and forest fire control, mitigates the occurrence of natural disasters and assists rescue.
Landslide before Sapporo Nakedou stereo image
Small Satellite Civilian - Improve Navigation Accuracy
Improve the accuracy of navigation and positioning, low-orbit satellites improve navigation and positioning accuracy, meet the needs of fine navigation in the future, improve civil navigation accuracy to 10CM level, can display the dividing line of traffic pavement.
Small Satellite Civil - Internet Access
The Internet access service, with a single-star capacity of 8 Gbit/s, can provide users with a network speed of about 50 G/s (theoretical value), and it can also bring wireless networks to aircraft in flight.
Near-Earth Orbit (LEO) Satellite Coverage
Super Near-Earth Orbit (LEO) Satellite Coverage
Small Satellite Civil - Biological Experiment
Experimental organisms are exposed to space in living conditions, and the experimental results are transmitted to the ground through real-time data transmission. Various microbial species can be tested.
Small Satellite Civil - Hyperspectral Remote Sensing
Picture of gold
Hyperspectral minisatellites can be used for multi-spectral spectroscopy to survey agriculture and distribution of different mineral resources (gold remote sensing images).
TM 7 Band Characteristics and Geological Uses
Small Satellite Civil - Earthquake Prediction
• Observing and recording data of earthquake-prognostics of extreme low-frequency magnetism;
• Spatial demonstration verification of low-cost cubic nanosatellites;
• Space demonstration demonstration of cheap commercial equipment
Introduction Of Military Functions Of Small Satellites
Small Satellite Military Field
Continuous miniaturization of satellites allows users to choose lighter satellites with the same capabilities or satellites that are heavier but more capable.
Imaging investigation and surveillance, imaging reconnaissance of important military targets, determining the geographical location of the target and identifying its nature.
Electronic reconnaissance surveillance, through the detection of enemy ground-based and sea-based radar signals or communication signals, to complete intelligence gathering, target positioning.
AIS Automatic Ship Identification System can identify the distribution of civilian and military vessels through AIS technology.
Military communications and navigation, mainly used to transmit data from foreign troops and intelligence units to the country.
Military meteorology and marine environment monitoring, using its own meteorological and oceanographic satellites for military weather and marine environmental protection services.
Accurate positioning of global, regional or local 3D positions, establishment of geodetic control networks, mapping, and accurate determination of Earth's gravitational field.
Antisatellite weapons, the satellite systems that interfere with and destroy enemy satellites through soft killing and hard killing.
Small Satellite Military - Imaging Reconnaissance And Surveillance
Satellite reconnaissance is mainly used for imaging reconnaissance of important military targets, determining the geographical location of the target and identifying its nature
Because Synthetic Aperture Radar (SAR) is not easily affected by climate and sunshine conditions and can work day and night through the cloud barrier, small satellites equipped with SAR imaging reconnaissance payloads have become an important development direction for reconnaissance satellites.
The development trend of satellite reconnaissance is miniaturization, low-cost, and high-performance, that is, it continuously improves the ability of on-board information processing, data compression, and real-time data transmission, and maintains a good multi-satellite networking status, enabling small satellites to play in military activities. Bigger effect.
Small Satellite Military - Electronic Reconnaissance And Surveillance
As an important field of military reconnaissance, electronic reconnaissance satellites have always played an important role. They collect signals or communication signals from enemy land-based and sea-based radars, complete intelligence gathering, target positioning, and even undertake tasks such as electronic confrontation. AIS Automatic Ship Identification System can identify the distribution of civilian and military vessels through AIS technology.
Small Satellite Military - Military Communications And Navigation
So far, all major military powers in the world have their own military satellite communications systems. The United States, Russia, Britain and other countries have launched several generations of military communications satellites, forming a comprehensive, global military satellite communications network. When the satellite passes over the sky, the mobile users on the ground can use handheld transmitters to send data. The satellites receive and store these data and then forward it when they reach the ground receiving station. It is mainly used to transmit data from foreign troops and intelligence units to the country.
Small Satellite Military - Military Meteorology And Marine Environment Monitoring
Atmospheric and marine environmental information is an important information for the protection of modern war environment. All countries’ military attach great importance to it. Use its own meteorological and oceanographic satellites for its military meteorological and marine environmental protection services. Military weather satellites collect weather information over the globe or specific regions according to special military needs, forecast weather conditions, have strong confidentiality and high image resolution, and can provide real-time weather for global strategic regions, battlefields, and military units. Information to provide necessary meteorological support for the formulation of military action plans.
Small Satellite Military - Military Mapping And Gravity Field Measurement
Satellite geodetic measurement is the use of artificial earth satellites to determine the location of any point on the earth (including on the ground and on the ocean) and to calculate the distance between them, and to determine the Earth's gravitational field and the shape and size of the Earth. Due to the improvement of the observation accuracy, the target contains time-related changes. The main tasks are: global, regional or local three-dimensional location accuracy, establishment of earth control network, mapping, accurate determination of the earth's gravitational field, etc.
Small Satellite Military - Satellite Offensive
In modern warfare, both sides of the rivalry managed to destroy each other’s military satellites and protect their own military satellites, which promoted the development of anti-satellite weapons. Anti-satellite satellites (also known as interceptor satellites) are satellite systems that interfere with and destroy enemy satellites through soft killing and hard killing. Anti-satellite satellites will naturally not be too large, belonging to military small satellites.
Small Satellite Military - Innovative Concept Of Military Small Satellite
Many military forces are studying various small satellite systems with unique capabilities in an innovative military concept. For example, distributed satellite systems for communications/navigation, distributed radar, and formation flying optical interferometry; satellite systems for space-based sensing, performing visual and infrared earth imaging, multispectral earth imaging and mapping, and target detection Tracking and other tasks; early warning small satellites, used to track in-flight intercontinental ballistic missiles and submarine-launched strategic missiles and their warheads, and to guide interception interception targets; a virtual aperture small satellite system used to enhance the ability to perceive in military operations; Logistics "satellite, on-orbit to keep performing resupply tasks, and so on. It can be predicted that in the future military operations, a small number of satellites will be used to complete special tasks that cannot be performed by other military systems. Small satellites have been widely used in the military field because of their short development cycle, high functional density ratio, flexible launch, and fast networking.
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The launch of small microsatellites is light in weight, small in size, and coupled.
Can be launched with small rockets, or launched as an auxiliary payload for large rockets.
Low research funding (tens of millions of RMB, for example, 300 million USD.
The small satellite constellation can deliver five times the amount of data of existing satellites.
Carry out mass-produced optical systems, high-speed global shutters, CMOS area array sensors.
Video data is used to analyze global financial trends; weather changes or traffic conditions.
They will be able to greatly improve the quality of short-term and long-term weather forecasts.
A constellation of small satellites will generate up to 60 PB of ground-based observations of scientific quality each year.
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