What is Nisar?
What is Nisar?
Nisar Saar i.e. NASA ISRO Synthetic Aperture Radar Mission is a joint project of NASA and ISRO under which a two-frequency synthetic aperture radar satellite is to be developed and launched into space. It will be the first radar imaging satellite to use two-frequency and will be used to understand the natural processes of the Earth through remote sensing technology.
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| NISAR mision 2021 |
ISRO will provide an unprecedented view of the Earth using synthetic aperture radars, ie Nisar satellite using higher radar imaging technology. It is designed so that it can measure Earth's planet's most complex processes - including eco-system barriers, disintegration of ice sheets, and natural disasters (such as earthquakes, tsunamis, volcanoes, and landslides). Analytical Dual Radar (Abstract), working in data L-band for NASA mission under NASA-ISRO joint project, high-speed communication subsystem for science data, GPS receiver (receiver), a solid-state recorder and a policy The load data will provide the subsystem.
The Indian Space Research Organization (ISRO) will provide satellite bus, an S-band synthetic synthesis launch rocket and associated launch services. The data obtained from the 'Nisar' mission will provide information about the origin of the Earth's crust and its present condition and help scientists to better understand the various processes of our Earth planet, changing seasons, future sources of discovery and disaster management. Will help in understanding.
A large propagating mesh antenna will be used in the design of Nisar satellite which will be operational in dual (dual) L-band and S-band. For the convenience of the readers, tell us that the frequency of 1000 to 2000 MHz is called S band. Mesh Antenna of 12 meter diameter aperture will be supplied by Nappi Grumman Company's Astro Aerospace branch. The satellite will be launched by ISRO from India via GSLV (Land Satellite Launch Vehicle). Satellite 3 - Axial India will equilibrate and this Sun will be placed in synchronous orbit. The first phase of the project has been completed and has been evaluated and approved by NASA.
How will the Nisar project work?
The Nisar satellite will take snapshots (images) of the Earth at weekly intervals using two radars. This picture will provide tectonic plates, ice sheets and time lag pictures of the speed of change in the vegetation overland in agriculture and forests. According to Nisar Pasina's Project Scientist, Pal A. Nogen, "This mission will provide the world's largest remote sensing data collection. Will be available on "Using this data, scientists will be able to create such models by which changes in the Earth's topo can be detected.
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