Angle of Arrival ( AoA ) . Calen Carabajal EECS 823. Introduction to Angle of Arrival Physics. “Angle between propagation direction of an incident wave and some reference direction” ( orientation) Plane wave impinging upon array. Visual Understanding.By jenna
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Covariance Matrix Applications. Dimensionality Reduction. Outline. What is the covariance matrix? Example Properties of the covariance matrix Spectral Decomposition Principal Component Analysis. Covariance Matrix.
Probing the covariance matrix. Kenneth M. Hanson T-16, Nuclear Physics; Theoretical Division Los Alamos National Laboratory. Bayesian Inference and Maximum Entropy Workshop, July 9-13, 2006. This presentation available at http://www.lanl.gov/home/kmh/. LA-UR-06-xxxx. Overview.
Covariance Vs Correlation Matrix Use covariance or correlation matrix? If variables are not in the same units Use Correlations Dim(V) =Dim(R) = pxp and if p is large Dimension reduction. Sample Correlation Matrix. Scatterplot Matrix. Linear Algebra
Calculating the Variance –Covariance matrix. MGT 4850 Spring 2009 University of Lethbridge. Efficient Portfolios. Efficient frontier Black (1972) – convex combination of any two efficient portfolios, e.g. if we have two efficient portfolios we can find the whole efficient frontier.
Calculating the Variance –Covariance matrix . MGT 4850 Spring 2008 University of Lethbridge. Efficient Portfolios. Efficient frontier Black (1972) – convex combination of any two efficient portfolios, e.g. if we have two efficient portfolios we can find the whole efficient frontier.
Linear Statistical Models with General Covariance Matrix. Generalized Linear Models. Previous Model: Least Squares rule used to estimate parameters Properties of estimator discussed Developed hypothesis tests
18.338 Course Project. Numerical Methods for Empirical Covariance Matrix Analysis. Miriam Huntley SEAS, Harvard University May 15, 2013. Real World Data. RMT. “When it comes to RMT in the real world, we know close to nothing.”. -Prof. Alan Edelman , last week.
Estimation of covariance matrix under informative sampling. Julia Aru University of Tartu and Statistics Estonia. Tartu , June 2 5 - 29 , 200 7. Outline. Informative sampling Population and sample distribution Multivariate normal distribution and exponential inclusion probabilities
Improved estimation of covariance matrix for portfolio optimization. Priyanka Agarwal Rez Chowdhury Dzung Du Nathan Mullen Ka Ki Ng. Progress so far:. Simulations for 12 estimators presented last week Implementation of Benninga’s two block estimator Speed Optimization