In the current digital era, satellite remote sensing technology has gradually become a core component in the field of geographic information. It provides us with a wealth of information for a wide range of applications, from urban planning to environmental monitoring. Satellite remote sensing technology is widely used. In environmental science, it can be used to monitor and monitor climate change, environmental pollution, natural disasters, etc.;In agriculture, it can be used to assess the productivity of farmland, crop pests and diseases, etc.;In urban planning, it can be used to monitor the development of the city, the needs of the city, etc.
First of all, let's understand what is satellite remote sensing technology?
Satellite remote sensing technology is the technology of observing and monitoring the earth through satellites. The main tools of this technology are satellites of all kinds, including meteorological satellites, earth observation satellites, communication satellites, etc. These satellites can carry various devices such as cameras, radars, spectrometers, etc., which are used to make various types of observations of the Earth.
Let's take a look at common satellites with different resolutions
Satellite resolution is an important criterion to measure image clarity, and satellites with different resolutions play their own unique roles in different application scenarios.
0.3 meter resolution
worldview-3、worldview-4、pleiades neo
Such high-resolution satellites, such as WorldView-3, WorldView-4 and Pleiades Neo, play a key role in a number of areas with their excellent imaging capabilities. In urban planning, they can provide precise spatial information and provide decision-makers with a clear urban layout and land use status. In terms of agricultural monitoring, these satellites are able to capture detailed information about farmland, which is helpful for precision agriculture and crop health monitoring. In addition, they also play an important role in the field of environmental protection, with real-time monitoring of environmental pollution and ecological changes.
0.4 meter resolution
worldview-3、worldview-2、geoeye、kompsat-3a
With 0Satellites with a resolution of 4 metres, such as WorldView-3, WorldView-2, GeoEye and Kompsat-3A, provide a wide range of applications in areas such as land-use planning, natural resource management and disaster monitoring. With the high-quality imagery obtained by these satellites, planners can more accurately assess the distribution and use of land resources, providing a scientific basis for policymaking. In addition, in terms of disaster monitoring, these satellites can quickly obtain detailed images of the disaster area, providing important decision-making support for rescue teams.
0.5 meter resolution
WorldView-3, WorldView-2, GeoEye, WorldView-1, Pleiades, Gaojing-1, Skysat Satellite, Gaofen Multi-Mode, Changguang Satellite, Inner Mongolia-1, Anxi Tieguanyin.
0.Satellite imagery with a resolution of 5 meters has a wide range of applications in many fields. These satellites, such as WorldView-3 and GeoEye, provide reliable support for land resource surveys, urban planning, agricultural monitoring and environmental protection with high-precision remote sensing data. They are able to capture a wealth of land surface information, providing accurate data reference for scientific research and policy making.
0.6 meter resolution
Quickbird, keyhole satellites.
With 0Satellites with a resolution of 6 meters, such as Quickbird and Keyhole satellites, have unique advantages in the fields of resource exploration and geological and mineral exploration. They provide access to high-quality surface information that helps scientists and researchers gain insight into the geological structure and resource distribution of the Earth's surface. This provides an important basis for decision-making for the development of mineral resources, the prevention of geological disasters and environmental protection.
1 meter resolution
IKONOS, GF-2, KOMPSAT, DEIMOS, SKYSAT satellites, Beijing-2, GF-7, Changguang satellites.
Satellite imagery with a resolution of 1 meter has a wide range of applications in urban planning and land use management. The high-precision remote sensing data obtained by these satellites, such as IKONOS and GF-2, provide reliable information support for urban expansion, land use change and resource management. In addition, they play an important role in disaster monitoring and emergency response, helping rescue teams quickly obtain detailed images of disaster areas and provide timely decision support for relief efforts.
1.5 meter resolution
spot6, spot7, keyhole satellites.
1.Satellite imagery with a resolution of 5 meters plays a key role in large-scale natural resource surveys and environmental monitoring. These satellites, such as Spot6 and Spot7, are able to capture the rich details of the Earth's surface, helping scientists and researchers understand trends in the Earth's surface and environmental conditions. This provides important data support for natural resource protection, ecological construction and environmental protection.