Rajesh Uppal

Rajesh Uppal

  • Joined: January 29, 2016
  • Articles: 3517

DARPA HACCS employing AI for cybersecurity by developing autonomous software agents, that will infiltrate adversary’s networks, detect botnets and neutralize them

Defense research unit neutralize botnets

As the complexity of software is growing software vulnerabilites are also increasing. According to two US based organizations that track vulnerability disclosure, the number of software vulnerabilities has gradually grown year-over-year achieving its highest peak in 2017. Computers are not…...

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DARPA DeMi developing technologies for space based telescope on it’s military CubeSat satellite for Space Surveillance Awareness

spacetelescope

The volume of space between the Earth’s surface out to geosynchronous orbit is enormous—equivalent to 240,000 times all the Earth’s oceans. Yet the number of objects calling that volume home is growing all the time—not just with satellites but with…...

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DARPA operationalizes Space Surveillance Telescope in Australia, earlier handed over to Air Force Space Command to protect satellites from orbiting junk and space weapons

SST

A U.S.-developed space surveillance telescope has been assembled at a new facility in Western Australia and is expected to start operating in 2022, the U.S. Space Force Space and Missile Systems Center announced April 2020. The telescope, designed to track and…...

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Phased array antennas for phased array radars to satellite constellations to SATCOM On-The-Move (SOTM) on warships

USNavyCOMMS01 Feb17

Wireless electronic systems have been relying on dish antennas to send and receive signals. These systems have been widely used where directivity is important and many of those systems work well at a relatively low cost after years of optimization.…...

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The denial of GPS services during Kargil War has driven ISRO to develop Indian Regional Navigation Satellite System (IRNSS), superior to GPS

IRNSS Indian regional navigation satellite system 1

The Global Positioning System (GPS), is a global navigation satellite system (GNSS) that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more…...

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DARPA V-SPELLS to develop automated tools for understanding, Re-engineering and Assurance of legacy software of Defense and Aerospace systems

DARPAV SPELLS

The complexity of  aerospace and defense software has grown manyfold. For example, the U.S. Air Force F-22 Raptor jet fighter, consists of about 1.7 million lines of software code, while the F-35 joint strike fighter has about 5.7 million lines…...

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Hybrid Free Space Optics (FSO)/Radio Frequency (RF) communication systems can improve the performance of Free space optical communications

Hybrid FSO RF communication system

Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. “Free space” means air, outer space, vacuum, or something similar. FSO operates on the Line-of-Sight…...

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RF/Microwave Switching Technologies

General Microwave Switches and Switch Filter Banks

One of the most common functions in all electronic circuitry is switching. Switching has a wide range of uses. Engineers in industries ranging from telecommunications to military/aerospace need high-performance RF/microwave switching as part of their test setups. An RF switch…...

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Faraday rotator mirror

Michelson proposed an interferometric apparatus in 1890 following an earlier suggestion by Fizeau. The invention became the precursor of many important modern optic measurement techniques. The Michelson Interferometer, as it is called, is used to measure small optical path length…...

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Hydrogen Fuel Cell propulsion technology for UAVs and Drones enable quiet, reliable, low-maintenance and long edurance missions operations

Drone fuel cells

UAVs have evolved into increasingly capable platforms deployed for a wide variety of applications. The capability to fight effectively in urban areas against widely dispersed forces, while minimizing collateral damage and achieving information superiority has enabled the UAVs to play…...

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