There are two types of communication systems: radio frequency (RF) and free space optical (FSO) also referred to as laser communications (lasercom).
Most spacecraft communications systems are radio frequency based - one part of the electromagnetic spectrum.
Satellites communicate by using radio waves to send signals to the antennas on the Earth. The antennas then capture those signals and process the information coming from those signals. Information can include:
In India, having a mental health disorder is perceived with a sense of judgement and there is stigma associated with those having mental health issues (The Live Love Laugh Foundation, 2018). Mental disorders are also considered as being a consequence of a lack of self-discipline and willpower. The stigma associated with mental health as well as lack of access, affordability, and awareness lead to significant gaps in treatment. The National Mental Health Survey (NMHS), 2015-16 found that nearly 80% of those suffering from mental disorders did not receive treatment for over a year.
Click to View More
A new concept has emerged i.e Everything as a Service (XaaS) means anything can now be a service with the help of cloud computing and remote accessing. Where cloud computing technologies provide different kinds of services over the web networks. In Everything as a Service, various tools and technologies, and services are provided to users as a service. Before XaaS and cloud services, companies had to buy licensed products and install them. They had to buy all securities on their site and provide infrastructure for business purposes. With XaaS, business is simplified as they have to pay for what they need. This Everything as a Service is also known as Anything as a Service. Everything-as-a-Service (XaaS) simply denotes the increasing servitization of technology.
XaaS is a collective term that refers to the delivery of anything as a service. It encompasses the many products, tools and technologies that vendors deliver to users as a service over a network -- typically, the internet -- as an alternative to providing them locally or on-site to an enterprise.
This umbrella term refers to service offerings that are accessed as needed and financed using a pay-as-you-go cloud computing pricing model. XaaS offerings can scale up or down as needed with IT services delivered on demand by a managed service provider.
Click to View More
India’s auto components sector has always imported more than it exported, leading to a trade deficit. For the first time ever, the industry saw a significant $700 million trade surplus in FY22.
The turnover of the automotive component industry stood at INR 4.20 lakh crore ($56.5 billion) for the period April 2021 to March 2022, registering a growth of 23% over the previous year. This was the highest ever revenue recorded by the Indian auto component industry.
Click to View More
Waste-to-energy (WtE) or energy-from-waste (EfW) is the process of generating energy in the form of electricity and/or heat from the primary treatment of waste, or the processing of waste into a fuel source. WtE is a form of energy recovery.
WtE is not without its negatives, but it is better than landfill – and for many countries under pressure to act on climate change.
So, despite some of the drawbacks of waste-to-energy technologies, they appear to be a crucial step in dealing with the negative effects of growing landfills - as long as only non-recyclable, non-repurposable materials are fed into WtE machines and the necessary measures are taken to minimize air pollutants.
Click to View More
UPSC Civil Service preparation, the mother of all examinations in India, needs more patience and hard work than any other competitive exam because the examination process itself can take almost one year covering three stages of Prelims, Mains, and Interview
Click to View More
Coaching centers are like the lighthouses of the seashore. CSE preparation needs a planned approach which is systematic & well designed and coaching institutes are too good at its execution.
Click to View More
IASGYAN, the brain child of Aptiplus Academy which is the best UPSC coaching/ best IAS coaching institute in Eastern India, is an online education student centric platform that overcomes the barriers of distance and empowers CSE aspirants with quality education. IASGYAN imparts the most innovative online tools that allow students to prepare for UPSC CSE, WBCS, OPSC OAS at their convenience.
Click to View More© 2026 iasgyan. All right reserved
.png)
