Optimum passive bearing estimation
WebAug 3, 2005 · This paper studies the minimum bearing error attainable with a linear passive array. Signal and noise are stationary Gaussian processes with arbitrary power spectra, … WebSep 9, 2011 · An algorithm is proposed for passive bearing estimation where the number of sources and their source signals are considered unknown in the presence of noise. An unknown but limited number of targets is assumed to be distributed in bearing (look angle) with unknown bearings and magnitudes.
Optimum passive bearing estimation
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Webadshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A WebThis paper seeks to find an optimum way of directing the resources of a passive horizontal line array when trying to estimate the direction of arrival (DOA), or bearing, of a contact. …
WebOptimum bearing and range estimators are presented for the planar problem and related to the optimum time delay vector estimator. Keywords Acoustic Source Time Delay … WebThe number of signals present is assumed to be finite, and each signal is parameterized by a finite number of parameters. Based on measurements of the array output, the objective is …
WebOptimum Passive Bearing Estimation in a Spatially Incoherent Noise Environment. Verne H. MacDonald, Peter M. Schultheiss. 30 Jun 1969 - Journal of the Acoustical Society of … WebActive sensors, for example, give a good estimate of range, while passive sensors are most efficient at estimating the bearing and radiated spectrum of a contact. If it is assumed that prior information about the state of a contact has been collected in a data fusion framework, either by active sonar state estimates or by previous passive ...
WebJan 1, 2009 · Optimum signal processing for passive sonar target range and bearing estimation is discussed for the case where the sonar array consists of an M‐element linear array of hydrophone point ...
Websignal has been detected, an important passive sonar problem is to estimate the time delay D between two sensors separated by length L. This time delay estimate then is used to estimate the bearing angle shown in Fig. 2. The bearing estimate is given by the approximate rule s = cos-1 (&L) (2) how to save r notebook as htmlWebThe number of signals present is assumed to be finite, and each signal is parameterized by a finite number of parameters. Based on measurements of the array output, the objective is to estimate the signals and their parameters. This research area has attracted considerable interest for several years. north face venture pantsWebTime delay estimation (TDE) is commonly performed in practice by crosscorrelation of digitized echo signals. Since time delays are generally not integral multiples of the sampling period, the location of the largest sample of the crosscorrelation function (ccf) is an inexact estimator of the location of the peak. north face vest ebayWebJul 21, 2005 · This paper studies the minimum bearing error attainable with a linear passive array. Signal and noise are stationary Gaussian processes with arbitrary power spectra, and the noise is assumed to be statistically independent from hydrophone to hydrophone. north face veste grande o piccoloWebadshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A how to save r log fileWebEstimates of arrival time intervals and their variation in time constitute basic measurement in a signal processor for undersea applications. Those measurements are then mapped in the data processor into the desired estimate of … how to save rmd file as pdfWebVolume VI deals with passive detection and target location, signal design, and optimum passive bearing estimation. Using a linear array, the problem of passive detection and target location was analyzed for the case of stationary Gaussian signals and noises with known statistical properties. A comprehensive treatment of this problem is presented. The … how to save r markdown file as html