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Software Defined Radio (SDR) refers to a radio communication system where most of the traditional radio hardware components, such as filters, amplifiers, and modulators/demodulators, are replaced with software running on a general-purpose computer. In an SDR system, the analog signals received by the antenna are digitized by an analog-to-digital converter …
Read More »Digital Intermediate Frequency Interoperability (DIFI) Consortium
Where conventional satellites were earlier tailored to comply with single mission requirements, satellite developers are gradually adapting the vision of software-defined satellites which can be reprogrammed and reconfigured, to allow a satellite to take up new applications and expand its performance. Instead of viewing a satellite as a monolithic piece …
Read More »Satellite Telemetry, tracking and command (TT&C) Subsystem is a crucial part of any space mission
Spacecraft are man-made machines that operate in space. An orbiting spacecraft is normally referred to as a satellite, although it is manmade as opposed to a natural satellite like our moon. A spacecraft is typically subdivided into two major parts, the payload and the bus. The bus provides the structural body …
Read More »Propulsion technologies for Space logistics, In-Space Assembly (OOS / ISA), automated satellite on-orbit servicing (OOS)
In the history of spaceflight, almost all spacecraft have been manufactured and assembled on the ground, then integrated into a launch vehicle for delivery into orbit. This approach imposes significant limitations on the size, volume, and design of payloads that can be accommodated within the fairing of a single launch …
Read More »Satellite Command and data handling (C&DH) & On-board computer (OBC) technologies
Spacecraft are man-made machines that operate in space. An orbiting spacecraft is normally referred to as a satellite, although it is manmade as opposed to a natural satellite like our moon. A spacecraft is typically subdivided into two major parts, the payload and the bus. The bus provides the structural body …
Read More »DARPA SPCE improving efficiency of radiation-tolerant Power convertors for Military LEO Satellites
The space industry is set to expand to over $8.8 billion dollars by 2030 fueled by the rapid increase in the number of small satellite launches and decreased costs resulting from rideshare companies and programs A satellite present in an orbit should be operated continuously during its life span. …
Read More »China’s Beidou Navigation Satellite System (BDS) provides global coverage with millimeter level accuracy
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on …
Read More »With Rising threat in Space domain from Electronic to Cyber Warfare, Space agencies enhancing Cyber security measures
Space is increasing becoming another domain of conflict due to enhanced militarisation i.e. utilisation of space systems by defence forces to support military operations as well as space weaponization with the proliferation of counter-space weapons. There are a variety of threats to space systems, from Direct ascent and co‐orbital anti-satellite …
Read More »DARPA MuS2 developing Muon Source to detect shielded nuclear contraband, to objects deeply buried up to thousands of meters below the earth’s surface
Muons are subatomic particles that behave a lot like electrons but are around 200 times heavier. As the US Department of Energy explains, “Muons created in the atmosphere constantly hit every inch of the Earth’s surface and pass through almost any substance.” Many scientists have noted that measuring the …
Read More »New Space or Space 2.0 global Race
The first space age is considered to be started in 1957. The 20th-century space race between the USA and the USSR was primarily a military technological competition. Each strove to be the first to launch satellites or land on the Moon, while the rest of the world looked on. In …
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