Signals
In signal processing, a signal is a function that conveys information about a phenomenon. In electronics and telecommunications, it refers to any time varying voltage, current or electromagnetic wave that carries information. A signal may also be defined as an observable change in a quality such as quantity.Any quality, such as physical quantity that exhibits variation in space or time can be used as a signal to share messages between observers. According to the IEEE Transactions on Signal Processing, a signal can be audio, video, speech, image, sonar and radar-related and so on. In another effort to define signal, anything …
WikipediaPublications
PARI: The CounterMedia Trust · 1 May 2024 English
This report was published in May 2024 by Access Now for the #KeepItOn campaign which promotes the end of internet shutdowns. The report is authored by Zach Rosson, Felicia Anthonio, …
shutdown in November, jamming radio station signals, suspending TV stations, and blocking social media platforms …
PARI: The CounterMedia Trust · 12 February 2024 English
This is the first ever report on the ‘state of the world’s migratory species’ and was published through collaboration between UNEP-WCMC (UN Environment Programme - World Conservation Monitoring Centre) and …
Vulture (Neophron percnopterus; CMS Appendix I/II) signals a good omen for health and productivity4, while …
PARI: The CounterMedia Trust · 1 December 2023 English
This study was published by the Centre for Education and Communication, a resource centre based in New Delhi. It was released in December 2023. The research was funded by Rosa …
he said. The Changing Environment Of late, some signals have appeared regarding the gradual change in the …
PARI: The CounterMedia Trust · 1 November 2023 English
First History Lessons is a series of books published by the Institute of Development Studies, Kolkata (IDSK). Aiming to simplify and explain important ideas of history, the series has been …
its requirements, rivers are sending out SOS signals. 10 To write a history of rivers, then, it is essential …
PARI: The CounterMedia Trust · 15 June 2023 English
women sing at the grindmill. This last couplet signals marital discord and the divorce letter, prophesied …
PARI: The CounterMedia Trust · 31 May 2023 English
If you are a school-going child and must migrate with your parents who are looking for work, your education will have to pause…sometimes permanently
The distant sound of metal utensils being moved signals that some workers could be home. Following the …
PARI: The CounterMedia Trust · 1 March 2023 English
This report was published in March 2023 by Common Cause, New Delhi, and Lokniti, a research programme at the Centre for the Study of Developing Societies, New Delhi. It is …
mimic cell phone towers and intercept cellular signals, allowing authorities to track the location and …
PARI: The CounterMedia Trust · 28 February 2023 English
This report was published in February of 2023 by Access Now for the #KeepItOn coalition. The report is authored by Zach Rosson, Felicia Anthonio, Carolyn Tackett, and the Access Now …
impose shutdowns when “necessary and expedient,” signals the government’s intention to continue down this …
PARI: The CounterMedia Trust · 14 November 2022 English
The Climate Change Performance Index (CCPI) is a report which assesses the policies adopted by various countries across the world to combat global warming. It has been published annually since …
experts welcome the new targets and the political signals towards climate action. Despite India’s medium …
PARI: The CounterMedia Trust · 7 November 2022 English
Oxfam International, UK, published this paper on November 7, 2022. It has been written by Alex Maitland, Max Lawson, Hilde Stroot, Alexandre Poidatz, Ashfaq Khalfan and Nafkote Dabi, researchers working …
23 Phillips, M. (2021). Exxon’s Board Defeat Signals the Rise of Social-Good Activists. The New York …
