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The modulation index (or modulation depth) of a modulation scheme describes by how much the modulated variable of the carrier signal varies around its unmodulated level. It is defined differently in each modulation scheme. Amplitude modulation index; Frequency modulation index; Phase modulation index
The late 19th century witnessed a new generation of writers, such as J.-H. Rosny aîné, utilizing science and pseudoscience for purely fictional purposes. [15] This marked a significant departure from their predecessors, who employed the conjectural element as a pretext, following in the footsteps of Savinian Cyrano de Bergerac's utopian, Jonathan Swift's satires, and Camille Flammarion's ...
Science fiction (sometimes shortened to sci-fi or abbreviated SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.
While science fiction is a unique genre of fiction unto itself, it is also sometimes used as an umbrella term for a variety of distinct non-realistic or speculative fiction genres, most particularly fantasy. Conversely, speculative fiction is sometimes used as the umbrella term for SF, fantasy, Magic realism, horror, etc.
Science fiction by genre (22 C, 3 P) Soft science fiction (4 C, 9 P) Solarpunk (2 C, 10 P) Space opera (17 C, 36 P) Speculative crime and thriller fiction (294 P)
Peak envelope power (PEP) is the average power over a single radio frequency cycle at the crest of the modulation. This is a Federal Communications Commission definition. PEP is normally considered the occasional or continuously repeating crest of the modulation envelope under normal operating conditions.
Spy-fi can be defined as media that centers around the adventures of a protagonist (or protagonists) working as a secret agent or a spy.Usually, these adventures will revolve around defeating a rival superpower or singular enemy from achieving a nefarious aim.
The Best of Edmond Hamilton is a collection of science fiction short stories by American author Edmond Hamilton, edited by his wife and fellow science fiction writer Leigh Brackett. It was first published in hardback by Nelson Doubleday in April 1977 and in paperback by Ballantine Books in August of the same year [ 1 ] as a volume in its ...