DOA

Things are often getting so bad - there was a recent article with a catchy name SOA or DOA, where DOA stands for "Dead on Arrival" .

Taking direction of arrival(DOA) estimation as an example, computer simulation shows that this calibration scheme is effective.

The effect of DOA on naphthalene sorption on sediment might be attributed to the two main actions at least.

Direction of Arrival (DOA) estimation is one of the key technologies of Direct Sequence Ultra Wide Bandwidth (DS-UWB) system.

In the model of Direction-Of-Arrival (DOA) estimation of narrowband signals, the concept of coherent signals seem more confused.

Direction of arrival (DOA) estimation is one of the key technologies of ultra-wideband (UWB) location.

A direction of arrival (DOA) estimation algorithm for the passive synthetic arrays (PSA) of a moving single sensor is proposed.

The source number and DOA(direction of arrival) must be estimated in the space array signal processing before receiving signal correctly.

DOA of correlated signals is difficult question of space spectrum estimation.

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Direction of arrival (DOA) estimation is an important topic in electronic reconnaissance system.

to passively locating a moving emitter with direction of arrival(DOA) and time difference of arrival(TDOA) of the emitter signal is given.

The estimation of direction of arrival is accomplished with monopulse technique using digital beamforming.

The days before DOA are critical and activities are monitored on an hourly basis to make sure hand-offs between events and activities occur.

A novel Direction Of Arrival(DOA) estimation method is proposed with Uniform Linear Array(ULA) when mixed sources are presented.

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An estimation method of direction of arrival (DoA) and Doppler frequency for signals in the presence of array errors is proposed.

The theoretical analysis and simulation results show that the proposed method can accurately estimate DOA of the signal.

A new algorithm for the 2-D direction of arrival (DOA) estimation of wideband coherent cyclostationarity signals was proposed.

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The method does not depend on definite signal structure, and constructs three DOA matrixes in cumulant domain.

The DOA should be estimated by the method for wideband signals, i. e. , the different frequency should be gathered.

The signal of DOA estimation is an important research content of the array signal processing.

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Conclusion: Manipulation can improve SOD activity of DOA and alleviative degeneration of articular cartilage.

No chance of that, as President Obama's jobs bill now seems DOA legislatively.

In this project, we propose a new decision feedback (DF) technique to increase the robustness against the DOA mismatch.

This method can realize the separable estimation of DOA and angular spread for incoherently distributed source.

A novel method for estimating 2D direction of arrival (DOA) of broadband signals is proposed.

A performance analysis of the fourth-order cumulant based algorithms for estimating range and DOA of near-field sources ismade.

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Thus such separation realizes separable estimations of 2D-DOA and angular spread for incoherently distributed sources.

Based on an Lshape array, a novel method for estimating twodimensional direction of arrival(DOA) was presented.

ObjectiveExplore the curative effect of Chinese drug and Clomiphene on dysfunctional ovulatory acyesis(DOA).

Thisthesis deals with the multidimensional parameter estimation problem of frequency, range and DOA of near-field sources.

Monitoring DOA can increase the quality of anesthesia and the safety of operation, thus decreasing the complications caused by anesthesia.

A new DOA estimator is proposed to estimate DOA of the adjacent coherent signal.

DOA is gottten from the decomposition of above matrix. Simulation show this method has advantage and dependability.

Then, several ways of traditional DOA estimation are discussed in detail.

So the direction of arrival (DOA) estimation is very important in the OTHR.

In this paper, a new method which estimates the DOA of distributed sources in the beam domain is proposed.

The MODE-TOEP algorithm is proposed to estimate DOA of coherent signals on a Uniform Circular Array(UCA).

To improve the cooperative passive tracking accuracy in multiple stations, a scheme of target tracking based on DOA and TDOA is proposed.

When estimating the DOA, the algorithms were proposed based on least square fitting and MUSIC-like algorithm, respectively.

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In this paper, an introduction of DOA estimation of coherent sources is proposed, which is suitable for arbitrary plane array.

Based on the time-frequency transformation of signal, a novel joint DOA-frequency estimation is proposed.

With the development of electronic and information technology, the researches for detecting DOA have made great progress.

DOA(dead on arrive) will be replaced and buyer will receive 10 dollars credit for return postage after inspection.

When the sources are coherent, the performance of SSMUSIC for DOA estimation deteriorates clearly.

In this paper, the techniques for monitoring DOA are reviewed.

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Aimed at the effect of position errors on performance of DOA estimation algorithm, a method based on genetic algorithm is put forward.

According to the study, correlation equations with smaller error should be chosen to estimate the DOA in case of less sources. 4.

Beamforming algorithm based on estimates of DOA is a research hotspot in recent years.

DOA Estimation Method Based on Biomimetic PatternRecognition .

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Based on above SS-DOAM method, a new 2-D DOA estimation method for the situations of multiuser and multipath is proposed.

A new method of 2-D DOA estimation based on joint SVD is proposed to achieve automatically pair-matching with better estimation precision.

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Bring forward a algorithm to estimate DOA under the spatial sub-Nyqusit sampling.

DOA estimation algorithm based on 4-th cumulant for CDMA system is proposed.

The simulation and analysis in fading channel mode for the performance of a DOA estimation technology, applied to circular ring arrays

Study of DOA Characteristics of the Array With Elements Obeying Normal Distribution

A Pre-processing Blind Multiuser Detection Algorithm for Antenna Array System and Its Robustness to DOA Estimation Error

Research on alternating projection-based deterministic maximum likelihood DOA estimation algorithm

Interference offset in DOA estimation with an pressure-gradient vector hydrophone

Improving Spectral Resolution of Subspace-Based DOA Estimation Algorithms by Localized Subspace Projection

Unsymmetrical weighted spatial smoothing difference algorithm for DOA estimation of coherent sources

Quick DOA estimation algorithms for a broadband distributed source

Satellite interference location using high resolution DOA estimation techniques

Algorithm on high resolution DOA estimation under condition of unknown number of signal sources

Multi-source DOA estimation using a modified WSF algorithm in a single vector hydrophone applications

Research on Single Observer Passive Location and Tracking Arithmetic Using DOA and Their Changing Rate Information

DOA estimation using multiple-beam antenna with fresnel zone phase correcting plate focusing configuration

Spatial-Ambiguity-Domain based DOA Estimation Algorithm Using Fractional Lower Order Statistics

DOA Estimation in Impulsive Noise Environments Using Fractional Lower Order Spatial-Temporal Matrix

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Spatial Difference Smoothing Algorithm for DOA Estimation of Coherent Sources in the Presence of Colored Noise Fields

The Principle of Generalized Spectral Correlation Signal Subspace Fitting for DOA Estimation

Study of the Two-dimension DOA Estimation Technology Based on the Acoustic Vector Array

Screened-Ratio-Principle-Based DOA Estimation Algorithm in Impulsive Noise Environment

A new mutual coupling compensation method and its application to DOA estimation

Clustering-Identifying of Abnormal Bearing Line in DOA Passive Location with Single Airborne Observer

Performance of DOA estimation for correlated sources by forward-backward spatial smoothing

Application of a New Subspace Tracking Method in the DOA Estimation

Estimation of DOA for Broadband Weak Signal Source in Broadband Strong Interference Background

smooth - window maximum likelihood registration for passive doa location

A Compound Circular Array for Performance Improvement of DOA Estimation for Coherent Signals

Neural Network Algorithms for DOA Estimation with Compensation of Effects on Mutual Coupling

The Performance of the High Resolution DOA Estimator for Underwater Wide Band Sources

DOA Estimation for Highly Correlated Signals under Colored Noise Environment

Fourth-order cumulant-based range, frequency and DOA estimation of polarized near-field sources

An Algorithm for Estimating DOA and Doppler Frequency of Signals Incident on Uniform Circular Array

Efficient High-Resolution DOA Estimator Using Beamforming System

The Performance of the Broadband Beam Space High Resolution DOA Estimator

A Super-resolution Algorithm Which Estimates the DOA of Correlative Signals and Betterment

Union Estimation Algorithm for DOA of CM Signal and Mutual Coupling Coefficients of Array Antennas

Performance Analysis and Simulation of DOA Estimation Algorithm

Joint Processing of Multiuser Detection and DOA Estimation in Multipath Channel

Research of Passive Location Algorithm to Maneuvering Target Using TDOA and DOA of Dual Stations

Joint Frequency-DOA Estimation Exploiting Virtual Tapped-delay-line Array

Maximum Likelihood DOA Estimation in Radar Low-Angle Tracking Environment

A Subspace-Based Recursive Approach to DOA Estimation with Sparsity Constraint

Joint Ranges DOA's and Frequencies Estimation of Multiple Near-Field Sources Using Cumulant

The result showed that DOA could improve the low temperature resistance of soft PVC, but decrease its durability;

A New DOA Estimation Approach for a Broadband Point Source

Research on rooting methods for DOA estimation in impulsive noise environment

One-Dimensional DOA Estimation and Self-Calibration Algorithm for Multiple Subarrays in the Presence of Mutual Coupling

A New Preprocessing Method for Joint DOA-Frequency Estimation in the Presence of Coherent Signals

The Observability Conditions of the Single Observer Passive Location and Tracking Based on TOA and DOA Measurements

Maximum Likelihood DOA Estimation by Real-Valued Genetic Algorithm

DOA estimation in correlated noise fields using unitary spatio-temporal correlation matrices

Improving performance of DOA estimation by using temporal-spatial averaging

Application of improved genetic algorithm in DOA search algorithm

The Application of Spatial Frequency in Narrowband DOA Estimation

Application of Quaternion in DOA and Doppler Frequency Estimation

DOA Estimation Based on Spatial Spectrum Using Vector Hydrophone Array in a Reflecting Boundary

A New Array Calibration Technique for DOA Estimation With Sources in Known Directions

Performance Comparison of Several Eignstructure Algorithms for Estimation of DOA

Study on Technology About Spatial Circular Antenna Array in DOA Estimation

Performance analysis of beam-space DoA estimation algorithm

An Effective DOA Estimation Algorithm for Multipath Signals

An Algorithm for Jointly Estimating Range, DOA and Frequency of Near Field Source

Linear Spectrum Method to DOA Estimation Basing on Vector Hydrophone

Using Polynomial Regressions to Estimate the Direction Finding's DOA

Estimation of DOA for Space Scattered Electromagnetic Wave

Adaptive Tracking Estimate for Radiating-source Signal DOA

The Algorithm Performance Analysis of Beam-Space DOA Estimation

Analysis and Improvement of Angle Ambiguity Problem in DOA Matrix Method

High Resolution Algorithm of Joint DOA and TOA Estimation for Multi-Path Signals

A novel approach to fast DOA estimation with sensor gain and phase perturbations

DOA estimation using the largest eigenvalue algorithm of temporal-spatial averaging

Research of DOA Estimation Algorithm in Adaptive Array Antenna

Focused Minimum Variance method for DOA estimation for wide-band signal

DOA Estimation with Spatially Nonstationary Noise for Nonuniform Linear Array

The Design of FIR Digital Filters Used in the DOA System

A Novel Algorithm for Joint Source-Number Detection and DOA Estimation

The DOA estimation method based particle filter for multi-path signals

Passive DOA estimation for acoustic signal of helicopter

Passive Locating and Tracking for Moving Emitters by Principal and Subordinate Stations Based on TOA and DOA Measurement

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Novel Multiresolution DOA Estimation Method with Wavelet Packets

Adaptive Beam Space High-resolution DOA Estimation

Application of Adaptive Genetic Algorithm in DOA Search

Influence of Array Elements Direction on DOA Estimation

DOA Estimation of Coherent Sources Based on Virtual Array Transformation and Modified MUSIC Algorithm

DoA estimation of wide-band LFM sources using symmetric sensor array

DOA estimation for signals by noise-subspace of one dimension algorithm

Analysis and Generalization of Space-Time DOA Matrix Method

A Novel Algorithm for Weak Signals'DOA Estimation under Intensive Interferences

A New Method for Simultaneous Estimation of Frequency and DOA of Emitters

The Modified Cramer-Rao Bound of High Resolution DOA Estimation

Cramer-Rao Bound of DOA Estimation for Underwater Wide Band Sources

A new method of estimating DOA of coherent signals by interference principle

A Target Detect And DOA Estimation Method Based On LMS Algorithm And Signal Enhanced Technology Trend of Electronics

A More Accurate DOA Estimation Method Based on Signal-Phase-Matching Principle

A New Algorithm for Joint Range-DOA-Carrier Estimation of Near-Field Sources

Novel DOA Estimation Algorithm Based on Minimum Redundancy Fourth-Order Cyclic Cumulant Matrix

DoA Estimate Based on Maximum-likelihood Using Passive Acoustic Sensor Array in Intelligent Mine System

An algorithm for estimating the DOA of wide-band coherent sources based on conjugate reconstruction of data matrix

DOA Estimation for Target Signals in the Projectile System

A Modified Propagator Algorithm for DOA Estimation Based on Conjugate Data Rearrangement

A DOA Estimation for Coherent Sources Using Large-Scale Array

Research on a New Method for Two Dimension DOA Estimation

DOA Estimation of Wideband Chirp Signals Based on Time-Frequency Subspace Decomposition

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A method of DOA estimation by a special array structure

Cross wavelet transform and DOA estimation

Estimation of DoA and Doppler Frequency with Non-Ideal Array

Target multipath DOA estimation algorithm based on frequency agility for phased array radar

A novel method for estimating DOA in the presence of spatially nonstationary noise fields

Study on DOA estimation of coherent sources based on interpolated array transformation

Application of DOA Technology in the Third Generation Mobile Communication System

An Estimation of Low-Elevation Target DOA in Phased Array Radar

Simultaneous Estimation of Frequency and DOA of Emitters Based on Signal-Subspace Rotation

An Iterative Approach to DOA Estimation Based on Beam-Space Pre-processing and Sparsity Constraint

A novel subspace algorithm for DOA estimation

DOA and Waveform Estimation by Using Small-Dimension Array

A Fast Algorithm for Estimating DOA and Doppler Frequency of Signals Based on Uniform Circular Array

Study on rapid DoA estimation algorithms

Impact of Source Number Estimator on DOA Accuracy

Research on the Coordinate Conversion Errors Based on DOA Algorithm With Long Baselines

Central DOA Estimation Based on Propagator Method for Distributed Sources

DOA Estimation Based on Wavelets Multi-Distinguishing Analysis

A New Method for Distributed Source DOA Estimation

A Fast Subspace Algorithm for DOA Estimation

Estimation of DOA for Uniform Circular Array

Maximum Likelihood DOA Estimator Based on Importance Sampling

A New Algorithm of DOA Estimation in Correlated Noise

DOA estimation for scattering model based on binomial distribution

An Algorithm for Estimating DOA of Signals Based on Sampling Data Reconstitution

A New Arithmetic of Nonuniform Array DOA Estimates Based on the Interpolation Research

Research on High Resolution Methods of DOA Estimation Based on the Slice of Four-Order Cumulant

DOA estimation of wide-band coherent source based on modified propagator method

A Novel Method for Joint DOA-Carrier-Polarization Estimation Based on Virtual Array

Algorithm for DOA tracking based on adaptive subspace estimation

High resolution DOA estimation in beam space based on acoustic vector-sensor array

An Algorithm for DOA Estimation of Cyclostationarity Signals Based on FFT

A DoA estimation algorithm for coherent signal based on the fourth-order cumulant

New method for joint DOA-delay estimation

DoA Estimation by Linear Array of Acoustic Vector-sensors Based on Modified MUSIC

DOA Estimation Algorithm Based on Single Acoustic Vector Sensor

A Rapid DOA Estimating Algorithm

DOA Estimation of Virtual Array Extension Based on Fourth-order Cumulant

DOA estimation based on MUSIC algorithm using an array of vector hydrophones

A New Subspace Method of DOA Estimation with Four-Order Cumulants Based on Small Frequency Offset

A New Method for Estimating Multipath Signals DOA of Multiusers

DOA Estimation Based on Time-Frequency Maximum Likelihood

Estimation of DOA Based on Spatial-Frequency Distribution

An Improved DOA Estimation Method Based on Sparsity Constraint

DOA estimation based on spatial spectra of acoustic vector sensor array

A Blind Adaptive Method for Estimation of DOA Based on Signal Doppler Identity

A Spacial Two Dimension DOA Estimation Based on Undersampling

Four approaches to DOA estimation based on a single vector hydrophone

The DOA Estimates based on Virtual Array Lateral Performance

DOA Estimation Based on Modified Simplex Algorithm

DOA Estimation Based on Multipath Signal Grouping of User Signal

The Thinned Array DOA Estimation Based on Matrix Change Research

A New Arithmetic of Interpolation Based on Thinned Array DOA Estimates

DOA Estimation Based on ML Method and Crossing fixing by Multiple Arrays

An Array Broadband Source DOA Estimation Based on Power Weight

DOA Estimation Method Based on Fourth-order Cumulants

Cross spectrum and DOA estimation based on a single vector sensor

The Modified Method of DOA Estimation Based on Least Squares Fitting

A Modified Cramer-Rao Bound Algorithm Based on DOA Estimation

A Design of Dual Uniform Linear Array Based on the Method of DOA Estimation with FFT

DOA estimation based on acoustic vector sensor array

A Method of DOA Estimation based on Time-frequency Distribution

Estimating DOA based on cyclic auto correlation

Methods of downlink beam-forming for smart antenna based on DOA

A Digital Multi-Beams Algorithm of DOA Estimation Based on FFT

The Study on Passive DOA Estimation of Tank by Wideband MUSIC on Battlefield

Estimation Methods for DOA Based on Smart Antenna

A Novel Method for DOA Estimation of Uncorrelated Signal Based on Beamspace

A method of DOA estimation based on optimal weight vector

2-D DOA estimation of chirp signals based on virtual array