[PDF] Top 20 Doppler method for angle of arrival estimation

... The task of a radio direction finder is to estimate the direction of an emitter by measuring and evaluating electromagnetic field parameters. Usually there is a large number of partial waves arriving from different ... See full document

... This paper has explored the impact of iterative polynomial matrix eigenvalue decompositions — in particular the diag- onalisation achieved by these algorithms — on subsequent processing relying on subspace information. ... See full document

... broadband angle of arrival estimation has moti- vated the implementation of fractional delay filters that can approach the ideal fractional delay over a large ... See full document

... Abstract. This paper reviews and compares three different linear algebraic signal subspace techniques for angle of arrival estimation. These include a polynomial matrix approach to multiple signal ... See full document

... Cramer-Rao bounds for one- and two-dimensional angle-of-arrival estimation are reviewed for generalized 3-D array geometries. Assuming an elevated sensor array is used to locate sources on a ground ... See full document

... implementing Angle-of-Arrival estimation uses antenna arrays and the Multiple Signal Classification (MUSIC) algorithm [2], which exploits the eigen- structure properties of the covariance matrix of ... See full document

... model method was then proposed which can avoid preliminary DOA estimates and frequency domain processes, but it requires that the wideband signals should be n times differentiable, oversampled considerably for ... See full document

... The scenario we are considering here is the following. An individual may be lost due to an accident or a natural disas- ter. The objective is to locate his/her position so that a rescue team can find him/her. We will ... See full document

... This paper presents analysis of 4-antenna elements arranged in a 2 × 2 rectangular planar antenna array. It al- so studies the impact of the different array elements on the interference signals. Dual-band planar antenna ... See full document

... EAR method utilises the different antenna radiation pattern factors for the different antenna elements in the ...an angle γ towards the x-axis instead of the ...AOA estimation such as in the downlink ... See full document

... In some cases, it is required to estimate two-dimen- sional (2D) angles, i.e., the azimuth and elevation angles. Besides the accuracy requirement for estimating both the azimuth and elevation angles, it is of interest to ... See full document

... AOA estimation using identically and equally spaced antenna elements, where the design parameters are the number of antenna elements and their directivity ... See full document

... A radio direction finding (RDF) system is a passive device needed in various application fields such as navigation, military intelligence, geolocation, communication for emitter locating and targeting for weapon system ... See full document

... nonuniform angle samples out of 128 uniform angle samples ...range-Doppler method is shown in Figure ...of angle samples and the nonuniformity, the ISAR image accompanied resolution ... See full document

... DOA estimation methods suffer from that the roots may not fall exactly on the unit circle in the presence of any perturbation like the effect of finite ...the angle of the extra root as the direction for ... See full document

... update estimation, and update the location ...proposed method is better than that of the conventional method using the same number of antennas if the appropriate virtual arrays are configurated and ... See full document

... and method available that serves the purpose of curve ...iterative method, nonlinear least square estimation, weighted least square estimation, and algorithms are Trust-Region algorithm, ... See full document

... The mean AoA and the AS are critical parameters. Their estimates are used in several applications like source local- ization and detection [1]. The maximum Doppler spread (DS) is also a key parameter. Indeed, it ... See full document

... beam method can be considered as an extension of cell sectoring, the adaptive arrays have the ability to steer multiple beams towards the desired users and nulls towards the interfering signals ... See full document

... such method is unattractive owing to their intensive computational ...MUSIC method for source bearing estimation with arrays consisting of a large number of sensors is the propagator method ... See full document