IIT Mandi develops new technology to make military equipment invisible to radar
Being invisible to radar is a crucial defence strategy and the ability to evade radar detection can reduce the chances of being targeted by enemy weapons.
Researchers at the Indian Institute of Technology (IIT) Mandi have created an artificial material that can make stealth vehicles as well as covert establishments less visible to the radar.
This material can absorb a wide range of radar frequencies (signals), irrespective of the direction from which the radar signal hits the target. It can also be used to cover windows of stealth vehicles and covert establishments that must be invisible to radar. The results of this work is published in the journal, IEEE Letters on Electromagnetic Compatibility Practice and Applications.
What are radars used for?
Radars are used in defence and civil sectors for surveillance, and navigation, to detect and track: aircraft, ships, ground vehicles, and movements within covert establishments. Being invisible to radar is a crucial defence strategy and the ability to evade radar detection can reduce the chances of being targeted by enemy weapons.
IIT Jodhpur admission to MBA in full-time mode. As per the unofficial sources, the total seat intake for MBA is 160. Aspirants will be offered admission through a valid CAT scores. Candidates must also submit their past academic records at the time of applying for the course. The admission process is common for all seats. Find below the course-wise seat intake for IIT Jodhpur MBA course:
| Courses | Seats |
|---|---|
| Master of Business Administration (MBA) | 80 |
| MBA in Technology | 80 |
Admission to MBA course at IIT Jodhpur is entirely entrance-based. To get admission to MBA and MBA Technology at IIT Jodhpur, candidates must apply with a valid CAT percentile. However, the institute also provides admission to Non-CAT qualifiers. For admission to MBA in FinTech and Cyber Security, aspirants are selected based on a valid GATE score.
The online application form can be filled out by visiting the institute's official website. The seat allotment is further carried out as per the candidate's overall performance in the entrance test and interview round.
Any technique that makes things invisible to radar can also be used in the commercial sector to reduce radiation leakages from buildings and make them more secure. For example, invisibility to radar can also be used in private or covert establishments for the protection of information and privacy.
Radar Cross Section (RCS) reduction is a way to make something less visible to radar. It is achieved by using materials that can absorb radar signals, or by shaping the object in a way that makes it difficult for radar to detect.
Explaining the research, Dr G Shrikanth Reddy, IIT Mandi, said, “We have developed a technology based on Frequency Selective Surface (FSS) that absorbs a wide range of frequencies used in radar, which makes the surface invisible to radar.”
IIT Jodhpur admission 2024 is entrance based. IITJ offers UG, PG, PhD, and PG Diploma programmes in various disciplines through its 10 departments. Tabulated below is the list of some of the popular IITJ courses, IIT Jodhpur eligibility and IITJ selection criteria:
Courses | Eligibility & Selection Criteria |
|---|---|
BTech | Eligibility: Class 12 pass with 75% aggregate in PCM Selection: JEE Main + JEE Advanced + JoSAA Counselling |
MBA | Eligibility: Candidates with a Bachelor’s degree (three-year) or equivalent from a recognised university with 60% |
MSc | Eligibility: Bachelor’s degree in relevant specialisation Selection: IIT-JAM + CCMN counselling |
MTech | Eligibility: BTech degree with 60% aggregate Selection: GATE + COAP Counselling |
Candidates shall bring originals and copies of all the necessary academic certificates, JEE scorecards, address proof, ID Proof , passport-size photographs, etc.
Candidates with a proven academic record based on a cut-off of the GATE, CSIR or UGC scorecard or equivalent are eligible to apply for PhD at IIT Jodhpur. The institute shortlist students based on their score in the entrance examination. Shortlisted students need to appear for the personal interview round. Candidates further must hold the relevant documents as a proof of eligibility.
The proposed design uses an optically transparent ITO-coated PET sheet where the FSS patterns are created on this PET sheet. The FSS pattern on the PET sheet were created with the laser engraving technology, and due to symmetrical and lossy nature of FSS patterns, the proposed absorber is polarization insensitive and absorbs a wide range of EM wave frequencies within C, X and Ku Band.
Tests showed that this FSS technology can absorb more than 90 per cent of the radar waves in a wide range of frequencies. The team performed experimental studies on their design and the results matched well with the theoretical analysis, verifying its effectiveness.
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Anything you would want to ask experts?Answered 3 months ago
The IIT Jodhpur application process is conducted in online mode. The application form must be filled with all the relevant personal and educational details along with the application fee payment. Some of the popular courses along with the respective application procedure are explained below:
- For BTec
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Contributor-Level 10
Answered 5 months ago
The overall placement rate recorded during IIT Jodhpur BTech placements 2024 was 92%. Check out the BTech branch-wise placement rates during IIT Jodhpur placements 2022-2024:
BTech Branch | Placement Rate (2022) | Placement Rate (2023) | Placement Rate (2024) |
|---|---|---|---|
Computer Science & Engineering | 100% | 97% | 98% |
Mechanical Engineering | 91.89% | 87.3% | 97.7% |
Electrical Engineering | 95.74% | 95.95% | 96% |
Bioscience & Bioengineering | 100% | 76.47% | 88% |
Materials Engineering | NA | NA | 84% |
Chemical Engineering | NA | NA | 71.43% |
Civil & Infrastructure Engineering | NA | NA | 68% |
M
Contributor-Level 10
Answered 5 months ago
You can take admission in BS or BSc degree at IIT Jodhpur. There's a qualifier test to get into it.
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Beginner-Level 1
Answered 5 months ago
Yes, it is possible to get admission to IIT Jodhpur for MSc in Mathematics with a rank of 250 in IIT JAM for candidates belonging to the General AI category. Round 4 of the cutoff list has been released and the cutoff rank for admission to MSc in Mathematics was closed at 478 for candidates belongin
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Contributor-Level 6
Answered 5 months ago
IIT Jodhpur JAM cutoff 2025 was released for admission to various PG courses. The cutoff was released for different categories belonging to the All India quota. For admission to MSc and integrated MSc courses, the cutoff in respect to the General All India category candidates was closed between 396
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Contributor-Level 10
Answered 5 months ago
IIT Jodhpur round 6 cutoff has been released for admission to various BTech and BSc specialisations. The cutoff was released for different categories belonging to the All India quota. The cutoff ranks among the General AI category closed between 2918 and 18310. Therefore, 350 is an excellent score
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Contributor-Level 6
Answered 6 months ago
IIT Jodhpur JEE Advanced cutoff 2025 has been released for the third round. The cutoff has been released for students seeking admission to BTech/BSc speciallisations, for different categories belonging to the All India quota. For candidates belonging to the All India quota, the cutoff ranks varied b
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Contributor-Level 6
Answered 6 months ago
IIT Jodhpur provides courses through 10 departments and 3 schools of study. The institute offers various facilities, including well-endowed labs, library, computer centres, etc. The facility of the IIT Jodhpur hostel is offered separately to boys and girls. The Institute provides placement assistanc
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Contributor-Level 8
After JEE session 2 is completed, only those candidates who are aiming for IITs need to start preparing for JEE Advanced after clearing JEE Main. Those who are above the 98th percentile should start preparing for JEE Advanced as soon as possible. Those below this, between the 95th and 98th percentile, should focus on attempting more mock tests and previous year question papers so that they have a better chance of clearing JEE Advanced