coherent signals
Cyclostationarity based DOA estimation algorithms for coherent signals in impulsive noise environments
... and coherent signals can affect the performance of DOA estimation in wireless communica- tion, radar, sonar, and other ...the coherent and correlated signals caused by multipath propagation ...
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A New High-Resolution and Stable Mv-SVD Algorithm for Coherent Signals Detection
... both coherent and non-coherent ...the signals in multipath propagation environments are highly correlated or ...estimating coherent signals is of great ...of coherent ...
9
DOA Estimation and Blind Separation of Coherent Signals
... estimating coherent signals arriving at an antenna array was ...of coherent sources used for beamforming was ...the coherent signals’ direction-of-arrival and separate the independent ...
10
A Novel DOA Estimation Approach for Unknown Coherent Source Groups with Coherent Signals
... constructs the data vector which contains all DOA information. Then, it constructs rotation matrix and finally estimates signal DOAs. In [12], Joint Approximate Diagonalization of Eigenmatrices (JADE) and MUSIC were ...
9
Efficient method of two dimensional DOA estimation for coherent signals
... An effective decoherence method called the fourth-order cumulants-based improved Toeplitz matrices reconstruction (FOC-ITMR) is addressed for two-dimensional (2-D) direction-of-arrival (DOA) estimation of coherent ...
10
Direction Estimation of Correlated/Coherent Signals by Sparsely Representing the Signal-Subspace Eigenvectors
... Abstract—This paper addresses the problem of direction-of-arrival (DOA) estimation of correlated and coherent signals, and two sparsity- inducing methods are proposed. In the first method named L1-EVD, the ...
16
Effective joint DOA DOD estimation for the coexistence of uncorrelated and coherent signals in massive multi input multi output array systems
... more signals than antennas, there still exist two potential ...of coherent signals may act approximately as that of a single-point signal, consequently, the false angle estimation will appear in the ...
14
The Analysis of the Influence of Random Array Error to Wideband Signal DOA Estimation Reiterative Algorithm
... narrowband signals, then recover the sparse representation of the narrowband signals by re-iterative method in the MMSE frameworks, and estimate the number and DOA of sources from the sparse ...of ...
12
Polarization Difference Smoothing in Bistatic MIMO Radar
... of coherent signals in the presence of spatially correlated ...the coherent signals in unknown correlated ...handling coherent signals and spatially correlated ...
8
Computationally Efficient DOA and Polarization Estimation of Coherent Sources with Linear Electromagnetic Vector-Sensor Array
... of coherent sources using a uniform linear electromagnetic vector-sensor (EmVS) ...more coherent signals, joint estimation of the DOA and polarization of coherent sources with a lower ...
10
HIGH RESOLUTION DOA ESTIMATION IN FULLY COHERENT ENVIRONMENTS S. N. Shahi, M. Emadi, and K. Sadeghi
... In the previous section, we see that we can reduce the computational burden by working in beamspace domain instead of element space domain. If we know the approximate location of targets, we can create beams just near ...
14
Two Uniform Linear Arrays for Non-Coherent and Coherent Sources for Two Dimensional Source Localization
... Direction of arrival (DOA) estimation in two-dimensions (i.e., azimuth, and elevation (φ, θ)) has assumed great importance in array signal processing in both commercial and military applications. Several 2D DOA ...
9
Sparse representation based DOA estimation of coherent wideband LFM signals in FRFT domain
... wideband LFM signal based on sparse representation is proposed. The proposed method can deal with coherent signals directly without decoherence processing and avoid the cross-item interference. It does not ...
9
Modeling of Electric Disturbance Signals Using Damped Sinusoids via Atomic Decompositions and Its Applications
... The number of waveforms monitored in power systems is increasing rapidly. This creates a demand for computational tools that aid in the analysis of the phenomena and also that allow efficient transmission and storage of ...
15
Optical 64QAM OFDM Transmission Systems with Different Sub Carriers
... We compared constellations and BER in the case of sub-carriers are 16, 32, 64, 128, 256 and 512. The comparison is shown that the BER is gradually increased and the quality of optical receiving signal gradually ...
6
Improved Blind Source Extraction for Time Delay Estimate in Passive Coherent Location System
... received signals are statistically independent ...mixed signals in radar, sonar, biomedicine and telecommunication system, and this is one reason why the BSS and BSE are hard for realistic ...pass ...
18
Mathematical Model of Non Coherent DLL Discriminator Output and Multipath Envelope Error for BOC (α, β) Modulated Signals
... the coherent code tracking process the operation of estimating the delay of the received signal is function of the phase estimated by the Phase Locked Loop ...called coherent signal ...
15
Coherent optical array receiver for PPM signals under atmospheric turbulence
... A laser can be amplitude, frequency, phase, or polarization modulated. There is a wide variety of possible transmitter symbol sets that are used in optical communications (Takasaki et al., 1976 and Yamamoto, 1980). ...
232
Time Distribution of Reflected Light Signals from Partially Coherent Light Passing Through Complex Optical Systems with Multiple Apertures
... the coherent beams transmission through the multi aperture complex optical system, large matrix calculations are required in the spatial optical field computation, which consumes a lot of computation ...partially ...
6
Coherent and non-coherent processing of multiband radar sensor data
... non- coherent approach, while with the coherent approach only an increase of resolution is ...the coherent polynomial zeros are approximately distributed uniformly along the unit circle, the maximum ...
6