Introduction Digital modulation schemes are at the heart of modern satellite communications, transforming digital information into analog signals suitable for transmission over satellite links. With the ongoing advancements in satellite technology and the increasing demand for high-speed, reliable communication, digital modulation techniques are evolving to meet new challenges. This article …
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Introduction Satellite communication is a vital component of modern global communications, providing connectivity for a wide range of applications including broadcasting, internet access, navigation, and military operations. But the industry is no longer static. Fueled by technological advancements and a growing demand for ubiquitous connectivity, satellite communication is experiencing a renaissance. …
Read More »As we delve deeper into the space age, the need for more adaptable, intelligent, and autonomous satellite systems has become paramount. The emergence of software-defined satellites (SDS) and networks is set to revolutionize how we think about and utilize space technology. The traditional satellite network architecture consists mainly of the …
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In the ever-evolving arena of modern warfare, electronic intelligence (ELINT) and communications intelligence (COMINT) play critical roles. These disciplines focus on intercepting and analyzing radar and communication signals to gather valuable intelligence, jam enemy systems, and protect one’s own assets. As nations strive for technological superiority, several countries are advancing …
Read More »Satellites are essential for modern life. They provide us with communication, navigation, weather forecasting, and much more. But satellites need to be able to maneuver in space, and that requires propulsion. Traditionally, satellite propulsion has been based on chemical rockets. These rockets are powerful, but they are also expensive …
Read More »Background and Vision In the year 2035, the Moon is more than just a celestial neighbor—it’s a bustling hub of economic activity. How did we reach this point? DARPA envisions a future where NASA, international partners, and commercial enterprises work hand in hand to accelerate lunar exploration and commerce. The …
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Historically, Department of Defense (DoD) satellites have been custom-designed for specific missions, resulting in lengthy design and enhancement cycles and high costs per spacecraft. However, the renaissance of commercial space has introduced the potential for economies of scale through the design and manufacturing of numerous low Earth orbit (LEO) constellations. …
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Introduction In the quest to explore the far reaches of our universe, space agencies and organizations worldwide are pushing the boundaries of propulsion technology. As humanity’s thirst for exploring the cosmos grows, so does the need for advanced propulsion systems that can carry us beyond Earth’s orbit. Traditional rocket propulsion …
Read More »Satellites play a crucial role in modern life, providing essential services such as communication, weather forecasting, navigation, and scientific observation. These advanced pieces of technology orbit Earth in various ways, each tailored to specific missions. Understanding the different types of satellites and their orbits, along with the principles of orbital …
Read More »As our reliance on satellite technology continues to grow, ensuring the security of these vital space assets has become increasingly crucial. Traditional space-based systems, often characterized by single, large satellites, are giving way to more advanced and flexible configurations. One groundbreaking advancement is the integration of artificial intelligence (AI) with …
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