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ISRO Develops Radar for Joint NASA Mission NISAR

 

NASA and ISRO's NISAR space mission launch by January 2023, .The Indian Space Research Organization (SRO) has shipped its satellite components to NASA'S Jet Propulsion Labaratory for a joint satellite mission known as NASA-ISRO Synthetic Aperture Radar (NISAR). This joint mission, which is under development aims to provide earth observation data, that would help in the better management of natural resources and hazards. It is also meant to help scientists study the extent and pace of climate change.


Indian Space Research Organisation (ISRO) has completed development of a Synthetic Aperture Radar (SAR) capable of producing extremely high-resolution images for a joint earth observation satellite mission with the U.S. space agency National Aeronautics and Space Administration (NASA).

The Indian Space Research Organization (ISRO) has shipped
its satellite components to NASA's Jet Propulsion Laboratory for a joint satellite mission known as NASA-ISRO Synthetic
Aperture Radar (NISAR).
With a total cost estimated at US$I.5 billion, NISAR is likely to be the world's most expensive Earth-imaging satellite.
ISRO's share of the project cost is about R788 crore (US$I10 million), and NASA's share is about US$808 million.
NISAR will be the first satellite mission to use two different radar frequencies (L-band and S-band) to measure changes in our planet's surface less than a centimetre across NASA is providing the mission's L-band SAR, a high-rate communication subsystem for science data, GPS receivers, a solid-state recorder and payload data subsystem.


The 5854 kg satellite is based on the new I-6K Bus and carry 40 transponders in the Ku-band and Ka-band frequencies (32 Ka x Ku-Band Forward Link Transponders and 8 Ku * Ka band Return Link Transponders), which are capable of providing up to l6 Gbit/s throughput. GSAT-I l is India's heaviest satellite.
















Launching animation  clip
 एनीमेशन क्लिप लॉन्च करना

Saperation and  orbating satelite clip

 सैपरेशन और ऑर्बेटिंग सैटलाइट क्लिप

Simulated Biomass data
आभासी वास्तविक बायोमास डेटा

Synthetic Aperture Radar animation clip
 सिंथेटिक एपर्चर रडार एनीमेशन क्लिप




 

 जनवरी 2023 तक नासा और इसरो के NISAR अंतरिक्ष मिशन का शुभारंभ। भारतीय अंतरिक्ष अनुसंधान संगठन (SRO) ने NASA-ISRO सिंथेटिक एपर्चर रडार (NISAR) नामक एक संयुक्त उपग्रह मिशन के लिए अपने उपग्रह घटकों को NASA'S Jet Propulsion Labaratory पर भेज दिया है।  यह संयुक्त मिशन, जो विकास के अंतर्गत है, पृथ्वी अवलोकन डेटा प्रदान करना है, जो प्राकृतिक संसाधनों और खतरों के बेहतर प्रबंधन में मदद करेगा।  यह वैज्ञानिकों को जलवायु परिवर्तन की सीमा और गति का अध्ययन करने में मदद करने के लिए भी है।

 


 भारतीय अंतरिक्ष अनुसंधान संगठन (इसरो) ने संयुक्त अंतरिक्ष एजेंसी नेशनल एरोनॉटिक्स एंड स्पेस एडमिनिस्ट्रेशन (NASA) के साथ संयुक्त पृथ्वी अवलोकन उपग्रह मिशन के लिए अत्यंत उच्च-रिज़ॉल्यूशन छवियों का निर्माण करने में सक्षम सिंथेटिक एपर्चर रडार (SAR) का विकास पूरा कर लिया है।

 भारतीय अंतरिक्ष अनुसंधान संगठन (ISRO) ने शिप किया है

 नासा-इसरो सिंथेटिक के रूप में जाना जाता है एक संयुक्त उपग्रह मिशन के लिए नासा के जेट प्रोपल्शन प्रयोगशाला के लिए इसके उपग्रह घटक

 एपर्चर रडार (NISAR)।

 US $ I.5 बिलियन की अनुमानित लागत के साथ, NISAR के दुनिया के सबसे महंगे पृथ्वी-इमेजिंग उपग्रह होने की संभावना है।

 इसरो की परियोजना लागत का हिस्सा R788 करोड़ (US $ I10 मिलियन) है, और NASA का हिस्सा लगभग US $ 808 मिलियन है।

 एनआईएसएआर पहला उपग्रह मिशन होगा जो हमारे ग्रह की सतह में बदलाव को मापने के लिए दो अलग-अलग रडार आवृत्तियों (एल-बैंड और एस-बैंड) का उपयोग करेगा, जो नासा भर में एक सेंटीमीटर से कम सेंटीमीटर है, मिशन का एल-बैंड एसएआर प्रदान कर रहा है, एक उच्च दर वाला सबसिस्टम  विज्ञान डेटा, जीपीएस रिसीवर, एक ठोस राज्य रिकॉर्डर और पेलोड डेटा सबसिस्टम के लिए

 5854 किलो का उपग्रह नई I-6K बस पर आधारित है और कू-बैंड और के-बैंड आवृत्तियों (32 का x केयू-बैंड फॉरवर्ड लिंक ट्रांसपोंडर और 8 केयू * का बैंड रिटर्न लिंक ट्रांसपोंडर) में 40 ट्रांसपोंडर ले जाता है, जो हैं  L6 Gbit / s थ्रूपुट तक प्रदान करने में सक्षम।  जीसैट- I l भारत का सबसे भारी उपग्रह है।

 

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