Rajesh Uppal
January 15, 2025 AI & IT, Cyber & IW
22
As cities around the world embrace digital transformation, the concept of “connected places” is becoming increasingly prevalent. These smart cities integrate information and communication technologies (ICT) with Internet of Things (IoT) devices to collect and analyze data, aiming to enhance the quality of life for residents, improve city services, and …
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Rajesh Uppal
January 15, 2025 Space Technology, Defense & Exploration, Weapons & Munitions
525
Introduction Space, once regarded as the final frontier for exploration, scientific research, and international cooperation, is undergoing a transformative change. Space has become a critical domain for global security, communication, and scientific exploration. Recent years have witnessed mounting concerns over the militarization of space by various nations, with China’s rapid advancement …
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Rajesh Uppal
January 14, 2025 Space Technology, Defense & Exploration, Thermal, Propulsion & Energy
171
Introduction: Very Low Earth Orbit (VLEO), defined as altitudes below 450 km, offers several advantages for satellite operations. However, the significant atmospheric drag at these altitudes poses a challenge for maintaining satellite stability and lifespan. The Defense Advanced Research Projects Agency (DARPA) recognizes the potential of energy harvesting technologies to …
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Rajesh Uppal
January 14, 2025 Geopolitics, Strategy & Technological Rivalries, Industry & Market Dynamics, Strategy, Policy & Governance
78
The European Union’s (EU) defence landscape has undergone a seismic shift in recent years. The backdrop of geopolitical tensions, particularly Russia’s invasion of Ukraine, has underscored the continent’s strategic vulnerabilities and the imperative to bolster its defence capabilities. In response, the EU unveiled its European Defence Industrial Strategy (EDIS) in …
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Rajesh Uppal
January 13, 2025 Electronics & EW, Photonics, Test & Measurement
43
In the rapidly evolving domain of electronic warfare, the ability to accurately and swiftly identify and respond to threats is paramount. One of the latest advancements making waves in this field is the breakthrough in simultaneous frequency and angle-of-arrival (AoA) measurement. EW systems need to rapidly detect, identify, and localize …
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Rajesh Uppal
January 13, 2025 Comm. & Networking, Space Technology, Defense & Exploration
592
Introduction: In the vast expanse of space, where communication is paramount for military operations, traditional methods often fall short. Enter DARPA’s Space-BACN (Battlefield Airborne Communications Node), a groundbreaking initiative that is set to revolutionize military satellite communications through the development of space optical communications. In this article, we delve into …
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Rajesh Uppal
January 12, 2025 Material, Thermal, Propulsion & Energy
37
Introduction Radioisotopes, essential across a broad spectrum of industries—medical, industrial, and power generation—are facing a pivotal challenge. Many promising daughter product radioisotopes, with applications ranging from advanced cancer therapies to high-efficiency power systems, are trapped within the long decay chains of their parent actinide isotopes. Traditional methods of isotope production, …
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Rajesh Uppal
January 12, 2025 Electronics & EW
5,222
In the ever-evolving landscape of modern warfare, electronic warfare (EW) plays a critical role in ensuring a nation’s defense capabilities. Among the numerous technologies developed to enhance EW, Digital Radio Frequency Memory (DRFM) stands out as a pivotal innovation. By capturing, storing, and replaying radar signals with exceptional precision, DRFM …
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Rajesh Uppal
January 11, 2025 Space Technology, Defense & Exploration, Technology & Systems Management
29
As the realm of space exploration continues to expand, the need for effective space traffic management (STM) technologies has never been more pressing. With the increasing number of satellites, space debris, and potential missions, managing the traffic in Earth’s orbit is essential to ensuring the safety and sustainability of space …
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Rajesh Uppal
January 11, 2025 Comm. & Networking
178
In the realm of digital communication, the TCP/IP model stands as a cornerstone for how data is transmitted, received, and understood across networks. From browsing the web to sending emails, the TCP/IP model governs the flow of information, ensuring that our digital interactions are seamless and reliable. This blog post …
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