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large uniform linear array

Combination of Inverse Fast Fourier Transform and Modified Particle Swarm Optimization for Synthesis of Thinned Mutually Coupled Linear Array of Parallel Half-Wave Length Dipole Antennas

Combination of Inverse Fast Fourier Transform and Modified Particle Swarm Optimization for Synthesis of Thinned Mutually Coupled Linear Array of Parallel Half-Wave Length Dipole Antennas

... spaced linear antenna arrays [1] have high directivity, but they usually suffer from high side lobe ...the array is thinned by switching off some of the antenna elements in a large ...with ...

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DOA Estimation of Quasi-Stationary Signals Using a Partly-Calibrated Uniform Linear Array with Fewer Sensors Than Sources

DOA Estimation of Quasi-Stationary Signals Using a Partly-Calibrated Uniform Linear Array with Fewer Sensors Than Sources

... either large or small, possibly attributed to the estimation error in computing the covariance matrix of the simulated source signal, of which the stationary interval lies between 300 and ...

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PARALIND-based blind joint angle and delay estimation for multipath signals with uniform linear array

PARALIND-based blind joint angle and delay estimation for multipath signals with uniform linear array

... In the noisy condition, the estimation of the dependent matrix, denoted as ^ J , is not a strict selection matrix with elements of 1 and 0. There are two methods to recon- struct ^ J to be a standard selection matrix. A ...

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Fast Subspace Tracking Algorithm Based on the Constrained Projection Approximation

Fast Subspace Tracking Algorithm Based on the Constrained Projection Approximation

... a uniform linear array where the number of sensors is n = 17 and the distance between adjacent sensors is equal to half ...So, large values of forgetting factor (β = ...

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Extending coprime sensor arrays to achieve the peak side lobe height of a full uniform linear array

Extending coprime sensor arrays to achieve the peak side lobe height of a full uniform linear array

... non-uniform linear array called a CSA. This array design technique takes advantage of two inte- gers being coprime (having greatest common divisor ...For large N, O( √ N) ...Pal’s ...

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Optimization of array geometry for direction-of-arrival estimation using a priori information

Optimization of array geometry for direction-of-arrival estimation using a priori information

... sensor array. A novel method of array geometry optimization is pre- sented that improves the DOA estimation performance com- pared to the standard uniform linear array (ULA) with half ...

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Performance improvement for wideband beamforming with white noise reduction based on sparse arrays

Performance improvement for wideband beamforming with white noise reduction based on sparse arrays

... uniform linear array case, a maximum 3dB improvement is achieved for the total signal power to noise ratio (TSNR), which leads to possible performance enhancement in many sparse array signal ...

6

Multiple target three dimensional coordinate estimation for bistatic MIMO radar with uniform linear receive array

Multiple target three dimensional coordinate estimation for bistatic MIMO radar with uniform linear receive array

... The GDOPs of the proposed scheme are plotted in Figure 2. The GDOPs in the plane of z = 35 km are plot- ted according to (12) and (13). T and R in the Figure indicate the locations of transmitter and receiver re- ...

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Performance Improvement for Wideband Beamforming with White Noise Reduction Based on Sparse Arrays

Performance Improvement for Wideband Beamforming with White Noise Reduction Based on Sparse Arrays

... uniform linear array case, a maximum 3dB improvement is achieved for the total signal power to noise ratio (TSNR), which leads to possible performance enhancement in many sparse array signal ...

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PERFORMANCE OF MAIN BEAM STEERING AT DIFFERENT ANGLE USING GENETIC ALGORITHM.Pradeep Malviya, Prof. Giriraj Prajapati, Prof. A. C. Tiwari, Mr. Vijit Mishra

PERFORMANCE OF MAIN BEAM STEERING AT DIFFERENT ANGLE USING GENETIC ALGORITHM.Pradeep Malviya, Prof. Giriraj Prajapati, Prof. A. C. Tiwari, Mr. Vijit Mishra

... phased array excitations on uniformly arranged antenna element were computer programmed and compared: the numerical method, the analytic method and the Genetic Algorithm method ...a linear array was ...

7

An adjustable linear Halbach array

An adjustable linear Halbach array

... a linear Halbach array. Rotating each element of the array in the opposite direction to the neighboring elements is shown to smoothly transfer the magnetic field from one side of the array to ...

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A middleware for a large array of cameras

A middleware for a large array of cameras

... Abstract— Large arrays of cameras are increasingly being employed for producing high quality image sequences needed for motion analysis ...a large number of ...a large array of distributed ...

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Correction Factor for Power Gain in Antenna Arrays

Correction Factor for Power Gain in Antenna Arrays

... Antenna array gain is a relative measure of performance and can be defined in several ...the array factor (AF) as the power gain while others normalize the square of the AF to have a unit ...normalized ...

8

Comparison of the Radiation Pattern of Fractal and Conventional Linear Array Antenna

Comparison of the Radiation Pattern of Fractal and Conventional Linear Array Antenna

... the array factor associated with the generating ...how large the array grows with each successive application of the generating array and P is a level of ...

8

Source Location Estimation Using Phaseless Measurements with the Modulated Scattering Technique for Indoor Wireless Environments

Source Location Estimation Using Phaseless Measurements with the Modulated Scattering Technique for Indoor Wireless Environments

... The UCSA used in the proposed method is described in Fig. 1. The configuration of the UCSA is similar with those of the conventional UCA that has monopole or dipole antennas as array elements [20–22]. The UCSA ...

16

SLL Reduction of Spherical Array Using Thinning

SLL Reduction of Spherical Array Using Thinning

... In this paper analysis of spherical array is done up to 21 rings. Optimization of Side lobe level (SLL) is done using thinning. Thinning is the process where some of the elements in the array are switched ...

7

More Properties of Semi Linear Uniform Spaces

More Properties of Semi Linear Uniform Spaces

... In [10], Tallafha gave an example of a space which was the semi-linear uniform space, but not metrizable. Till now, to define a function f that satisfies Lipschitz condition, or to be a contraction, it ...

7

Linear Hydrodynamic Response in a Uniform Fermi Gas.

Linear Hydrodynamic Response in a Uniform Fermi Gas.

... We have created a novel technique for measuring transport properties from the density response δn of a uniform density atomic cloud driven by a perturbative optical potential δU (z, t). Using DMDs to create the ...

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Inclined Slots on Broad wall of Ridged Waveguide

Inclined Slots on Broad wall of Ridged Waveguide

... slot array with similar inclination for all slots, slot array with different inclination and non- uniform length slots with different inclination on broad wall of a single ridged rectangular ...

5

On strong laws of large numbers for arrays of rowwise independent random elements

On strong laws of large numbers for arrays of rowwise independent random elements

... Jain [3] obtained a uniform strong law of large numbers for sequences of i.i.d, random elements in separable Banach spaces of type 2 which would yield 1.2 with p 1 for an array of i.i.d,[r] ...

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