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CHIRP (Continuous High-resolution Image Reconstruction using Patch priors) is a Bayesian algorithm used to perform a deconvolution on images created in radio astronomy. The acronym was coined by lead author Katherine L. Bouman in 2016.
A chirp is a signal in which the frequency increases (up-chirp) or decreases (down-chirp) with time. In some sources, the term chirp is used interchangeably with sweep signal . [ 1 ] It is commonly applied to sonar , radar , and laser systems, and to other applications, such as in spread-spectrum communications (see chirp spread spectrum ).
Chirp was launched in 2019, and is owned and operated by the founders of BookBub, an online book discovery service. [5] [6] Although Chirp was launched more recently, BookBub and its parent company Pubmark Inc. have been around since 2012, when it was founded by Josh Schanker and Nicholas Ciarelli.
In digital communications, chirp spread spectrum (CSS) is a spread spectrum technique that uses wideband linear frequency modulated chirp pulses to encode information. [1] A chirp is a sinusoidal signal whose frequency increases or decreases over time (often with a polynomial expression for the relationship between time and frequency).
Although chirp signals have been known for many years in radar, pulse compression, and the like, the first published reference to the chirplet transform described specific signal representations based on families of functions related to one another by time–varying frequency modulation or frequency varying time modulation, in addition to time ...
Chinese startup DeepSeek will make its models' code publicly available, it said on Friday, doubling down on its commitment to open-source artificial intelligence. The company said in a post on ...
CHIRP (algorithm), an algorithm used to perform a deconvolution on radio astronomy images; Chirp (company), a UK technology company; Chirp (phone), a walkie-talkie service on Sprint-Nextel's iDEN-phones; ChiRP-Seq, a biological methodology to identify DNA regions or proteins that are bound to a RNA molecule of interest
Source-only End-of-life, no longer updated; historically important, because many analog simulators are based on this project Xyce [17] Sandia National Laboratories: 2023 Windows, macOS, Linux * * Backend simulator, supports parallel simulation on Linux and macOS, can solve huge circuits