Direction finding
Direction finding with a single spatially stretched vector sensor in the presence of mutual coupling
... The present paper has considered, for the first time, the direction finding using a single-vector sensor in the presence of mutual coupling. The temporal smoothing technique has been applied to improve the ...
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Calibration of a Six-Port Receiver for Direction Finding Using the Artificial Neural Network Technique
... for direction finding receivers because of the uncertainty of the detected ...for direction finding at a bandwidth of 1 ...beam direction angle is 30 ◦ and calibration achieves an ...
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Direction finding of bistatic MIMO radar based on quantum inspired grey wolf optimization in the impulse noise
... for direction finding via the weighted signal subspace fitting ...the direction-finding difficulties of bistatic MIMO ...existing direction-finding methods in a series of ...
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A Root MUSIC Like Direction Finding Method for Cyclostationary Signals
... cyclic direction finding method that allows to select desired signals and to ig- nore interferences, by exploiting the cyclostationarity prop- erty of the signals of interest ...
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A study of symmetric-pair antenna arrays for direction finding and communications
... 7.2. CONCLUSIONS AND RECOMMENDATIONS FOR FUTURE WORK In view of the above summ ary it can be said th a t the symmetric-pair concept for an ten n a arrays is certainly w orth pursuing. It exhibits features such as the ...
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Underwater Noise Modeling and Direction-Finding Based on Heteroscedastic Time Series
... optimized for Gaussian distribution degrade in actual ex- periments. The performance of the source localization and estimation of DOA in passive array applications such as sonar heavily rely upon the particular array ...
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A Small Aperture Direction Finding System with Beamforming and Null Steering Capability
... Abstract—A Direction Finding (DF) algorithm for small aperture DF systems is proposed. Traditionally, small aperture DF systems lack beamforming capabilities and therefore require manual rotation, which may ...
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A New Robust Multi station Direction Finding Cross Algorithm
... station direction finding cross location algorithm, the eigenvalue distribution of the information matrix is continuous, we used the modified singular value decomposition (MSVD) method to correct the ...
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Optimal Polarization Design for Direction Finding Using MIMO Electromagnetic Vector-Sensor Array
... In this paper, transmitter polarization optimization based on minimizing of Cram´er-Rao bound (CRB) is firstly proposed to estimate two-dimensional DOA for MIMO-EMVA. The optimal polarization design provides increased ...
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Enhanced "vector-cross-product" direction-finding using a constrained sparse triangular-array
... For the 2D elevation-azimuth angle estimation, two phase-factors are necessary. Therefore, a constrained sparse triangular-array is proposed in this article. The triangular-array consists of a dipole-triad, a loop-triad, ...
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Performance Analysis of 180° HRR Coupler Used for Direction Finding with an Antenna Array
... through electromagnetic (EM) field simulation at different frequencies of operation and dielectric substrates. Furthermore, one important application of this type of cou- pler can take place in the domain of ...
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In-Situ Monitoring Method for Direction Finding Antennas
... Abstract—Antenna arrays for direction finding (DF) are usually designed and tested in controlled environments such as anechoic chambers. However, antenna pattern may change significantly when antennas are ...
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Research on GNSS System Single Interference Direction Finding
... Interference direction finding is a difficult point in interference detection and recognition ...used direction-finding ...interference direction-finding algorithms in this ...
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Design and Implementation of a Practical Direction Finding Receiver
... Researchers have proposed calibration techniques that are based on artificial neural networks (ANNs) for six-port networks [6] and direction finding receivers [2]. ANNs have been successfully applied in ...
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Usefulness of VRML building models in a direction finding context
... for direction finding ...involved finding various locations and items within the chosen campus ...Users finding specified locations/items would accrue a series of ...
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Estimation of Errors Caused by Spherical Approximation of Earth Shape in Radio Emitters Position Fixing Process Using Direction Finding
... 8. Real RDF network possess not sufficiently wide goniobasis, that is why increased accuracy of direction finding and correct bearing rejection when position fixing are needed. In view of moderate number of ...
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Direction Finding Using Cumulant in Multipath Environment with an Arbitrary Array
... Direction finding techniques based on the eigendecom- position of the covariance matrix of the vector of the sig- nals received by an array of sensors, have received con- siderable attention in ...
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A BGP Based Mechanism Pertaining To Lowest Cost Direction Finding N P Patnaik M & Manjula Srinivas
... Page 1 A BGP Based Mechanism Pertaining To Lowest Cost Direction Finding N P Patnaik M M Tech (CSE) Department of CSE, VITAM College of Engineering, Andhra Pradesh, India Manjula Srinivas Assistant Pr[.] ...
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WMDPQ: A WORK OF FICTION MULTICAST DIRECTION FINDING PROTOCOL TO GET BETTER QUALITY IN SERVICE IN MANNET
... Scalability is achieved due to the shared tree multicast routing protocol as single tree maintenance for all group members is easier than the maintenance of number of trees in case of s[r] ...
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ESPRIT-like two-dimensional direction finding for mixed circular and strictly noncircular sources based on joint diagonalization
... joint direction estimation of circular and non- circular signals was reported in [20] where four 1-D peak searching estimators were constructed using two parallel uniform linear arrays (ULAs) along with a ...
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