Chebyshev array

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• Chebyshev center — In geometry, the Chebyshev center of a bounded set Q having non empty interior is the center of the minimal radius ball enclosing the entire set Q. In the field of parameter estimation, the Chebyshev center approach tries to find an estimator for …   Wikipedia

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• List of trigonometric identities — Cosines and sines around the unit circle …   Wikipedia

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• Discrete cosine transform — A discrete cosine transform (DCT) expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, from lossy… …   Wikipedia

• Standard deviation — In probability and statistics, the standard deviation is a measure of the dispersion of a collection of values. It can apply to a probability distribution, a random variable, a population or a data set. The standard deviation is usually denoted… …   Wikipedia

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• Beamforming — is a signal processing technique used in sensor arrays for directional signal transmission or reception. This spatial selectivity is achieved by using adaptive or fixed receive/transmit beampattern. The improvement compared with an… …   Wikipedia

• Kolmogorov's inequality — In probability theory, Kolmogorov s inequality is a so called maximal inequality that gives a bound on the probability that the partial sums of a finite collection of independent random variables exceed some specified bound. The inequality is… …   Wikipedia

• Ley de los grandes números — En la teoría de la probabilidad, bajo el término genérico de ley de los grandes números se engloban varios teoremas que describen el comportamiento del promedio de una sucesión de variables aleatorias conforme aumenta su número de ensayos. Estos… …   Wikipedia Español