Steering vector reconstructionA new technique is proposed to reduce the computational complexity of the multiple signal classification (MUSIC) algorithm for direction-of-arrival (DOA) estimate using a uniform linear array (ULA). The steering vector of the ULA is reconstructed as the Kronecker product...
Calculate the steering vector for a uniform linear array in the direction of 30° azimuth and 20° elevation. Assume the array operates at 300 MHz. array = phased.ULA('NumElements',2); steeringvector = phased.SteeringVector('SensorArray',array); fc = 300.0e6; ang = [30;20]; sv = st...
For a uniform linear array (ULA), we have a(θk)=[1,ejωk,⋯,ej(N−1)ωk]T and ωk=2πλ−1dsinθk with λ, d and θk denoting the carrier wavelength, intersensor spacing, and kth DOA, respectively. A is the steering matrix defined as (5.2)A=aθ1,aθ2,⋯,aθ...
Then, by means of pre-processing the primary training data with the orthogonal projector of the ISM, the quasi DSCM is computed to correct the weight vector in the aid of the eigen-projection technique. Simulation A uniform linear array with M=8 omnidirectional sensors spaced 0.5λ apart is ...
The simulation results have shown that this technique is able to find the most suitable weights vector to reduce the sidelobe power and at the same time create the nulls toward interferers. Verification has been done for Uniform Linear Array (ULA) structure. However, this technique can be used...
We also examine the effect of angular power distributions (uniform, truncated Gaussian, and truncated Laplacian), which corresponds to different propagation scenario, on the performance of the two systems. Results show that the central angle-of-arrival can have significant impact on system performance...
The coupling length is dependent on the wave vector difference of the two modes2,20,51. The interference pattern results in a spatially non-uniform spin-wave amplitude. Switching on the charge current, ωJ/κ becomes finite and the beating of the magnon power between WG1 and WG2 increases...
However, even the most matured optical phased array can only provide quasi-continuous, efficient beam steering within a small angle range. A telescope module with an angle magnification function can be coupled to enlarge the steering range or precision. But obtaining a compact, low-cost, light...
This set may include consecutive subcarriers, or subcarriers spaced apart by some uniform or non-uniform spacing, or specific subcarriers of interest. The receiver may send feedback information (e.g., parameters used to derive {circumflex over (V)}(k)) for this set of subcarriers. The ...
Smart antenna array patterns synthesis: Null steering and multi-user beamforming by phase control - Mouhamadou, Vaudon, et al. - 2006 () Citation Context ...ic field which is uniform in direction no TMz modes can be present. In this hypothesis (2) becomes: Eapt = ∞∑ m,n=0 V ...