Rajesh Uppal

Rajesh Uppal

  • Joined: January 29, 2016
  • Articles: 3530

Improved Lead-Acid Batteries including lead-crystal and carbon foam batteries making comeback

lead crystal and carbon foam batteries

Virtually every modern naval weapons system, in fulfilling its mission, is highly dependent upon the performance characteristics of its electrochemical power supply. For example, batteries are used to power detection, guidance, control, ignition, propulsion, arming, fuzing, transmitting and jamming devices.…...

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Critical Infrastructure Protection Market

Networked technologies touch every corner of the globe and every facet of human life. They have driven innovation, nurtured freedoms, and spurred economic prosperity. Even so, the very technologies that enable these benefits offer new opportunities for malicious and unwanted…...

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DARPA HACMS employed Formal Verification Methods to develop hack proof unmanned vehicles , weapons , satellites, and command and control systems

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In 2011, Iran claimed to have downed a sophisticated American stealth drone, and unveiled what it alleged was a reverse-engineered copy of the futuristic looking RQ-170 Sentinel UAV, produced by defense giant Lockheed Martin. The drone was brought down by…...

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DARPA project for cryogenic cables and connectors for quantum computing

cryogenicconnectors

Cryogenic electronics is important for a growing number of applications, including superconducting classical computing, superconducting quantum computing and quantum annealing, and superconducting single-photon detector arrays. One of the more difficult aspects about developing a successful superconducting electronics technology at very…...

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DARPA EPIC-HXR developing Hard X-ray imagers

An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (30×1015 Hz…...

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Ion beam accelerator for nuclear device characterization, detection of contraband materials, and Directed energy weapons

Ionbeamaccelerator

Ion beam accelerators are machines providing kinetic energy to charged particles called ions, which bombard the target sample – the material to be irradiated and subsequently analyzed. The target can be a thin foil or a piece of mineral, rubber,…...

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Availability & Reliability of Satellite Constellation, Satellite System and Subsystems

EPS is highly redundant to increase reliability

Over the past three years, SpaceX has deployed thousands of satellites into low-Earth orbit as part of its business to beam high-speed internet service from space. But the company’s latest deployment of 49 new satellites after a Feb. 2021 launch…...

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New Radiation-hardened electronics enable military small satellites in Low Earth Orbit (LEO) to deep space missions

highperfromancespacecomputing

There has been rapid growth in New Space applications like small satellites (small sats) and Low Earth Orbit (LEO) mega constellations or satellite swarms. The increased U.S. investment in military space is driving growth in classified and unclassified applications.  …...

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Implementing AS9100 Quality Standard for Aviation, Space and Defense products and services

as9100 aerospace standard

Quality standards are defined as documents that provide requirements, specifications, guidelines, or characteristics that can be used consistently to ensure that materials, products, processes, and services are fit for their purpose. Standards provide organizations with the shared vision, understanding, procedures, and…...

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Challenges for electronics for defense and aerospace and technology solutions

flybywire featured VK

The Satellite has a large number of electronic systems and subsystems which are critical to the functioning and its mission. The spacecraft is divided into two sections: the platform or bus and the payload. The platform consists of the five…...

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