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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
On the structural analysis of science fiction; Science fiction : a hopeless case – with exceptions ("a more polemic version" of a chapter from Science Fiction and Futurology [1]) Philip K. Dick : a visionary among the charlatans (an afterword to the 1975 Polish translation of Ubik [2]) The time-travel story and related matters of science ...
Novum (Latin for new thing) is a term used by science fiction scholar Darko Suvin and others to describe the scientifically plausible innovations used by science fiction narratives. [ 1 ] Frequently used science fictional nova include aliens , time travel , the technological singularity , artificial intelligence , and psychic powers.
Escapist fiction, also known as escape fiction, escapist literature, or simply escapism, is fiction that provides escapism by immersing readers in a "new world" created by the author. [1] The genre aims to compensate for a real world the reader perceives as arbitrary and unpredictable compared to the clear rules of the constructed "new world ...
The formula is limited to structure of the plot itself. It does not include conventional, stereotypical elements of the genre used for the story background. Genres like high fantasy, westerns, and space opera (an adventure story in a science fiction setting) often have specific settings, such as a pseudo-Medieval European setting, the Old West, or outer space.
Science in science fiction is the study or of how science is portrayed in works of science fiction, including novels, stories, and films. It covers a large range of topics. Hard science fiction is based on engineering or the "hard" sciences (for example, physics, astronomy, or chemistry).
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.
A time slip is a plot device in fantasy and science fiction in which a person, or group of people, seem to travel through time by unknown means. [12] [13] The idea of a time slip has been used in 19th century fantasy, an early example being Washington Irving's 1819 Rip Van Winkle, where the mechanism of time travel is an extraordinarily long sleep. [14]