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An alpha beta filter (also called alpha-beta filter, f-g filter or g-h filter [1]) is a simplified form of observer for estimation, data smoothing and control applications. It is closely related to Kalman filters and to linear state observers used in control theory. Its principal advantage is that it does not require a detailed system model.
In 2014, Solaria Corporation spun off their tracker technology to create Nextracker, with Dan Shugar as the CEO. [3] Flextronics purchased Nextracker in 2015 for $330 million. [4] Nextracker expanded in more than 20 U.S. manufacturing lines in Texas, Arizona, Pennsylvania, Illinois, Tennessee, and Nevada between January 2021 and August 2024. [5]
Alpha spectrometry (also known as alpha(-particle) spectroscopy) is the quantitative study of the energy of alpha particles emitted by a radioactive nuclide that is an alpha emitter. As emitted alpha particles are mono-energetic (i.e. not emitted with a spectrum of energies, such as beta decay ) with energies often distinct to the decay they ...
The relative positions of the emitter (black dot in the diagram, taken as the origin in Mott's treatment) and the two atoms (orange dots at and ) are fixed during the calculation of the track, meaning the velocity of the alpha particle is taken as much larger than the thermal motion of the gas atoms. These relative coordinates are parameters in ...
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A multisensor tracker extends the concept of the multiradar tracker to allow the combination of reports from different types of sensor - typically radars, secondary surveillance radars (SSR), identification friend or foe (IFF) systems and electronic support measures (ESM) data. A radar track will typically contain the following information:
In a recent report, customer research firm GWI highlighted Generation Alpha's strong emphasis on inclusivity and representation, often dubbed "upagers" for their remarkable social awareness from a ...
The Postal Alpha Numeric Encoding Technique (PLANET) barcode was used by the United States Postal Service to identify and track pieces of mail during delivery ...