[PDF] Top 20 Direction of Arrival Estimation in Low-Cost Frequency Scanning Array Antenna Systems
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Direction of Arrival Estimation in Low-Cost Frequency Scanning Array Antenna Systems
... found in Chapter 3. In addition, it was shown that spatial smoothing could be applied to such systems when incoming signals are coherent in order to decorrelate signals and detect the ...DOAs. ... Voir le document complet
101
Low-Cost Integrated Waveguide Antenna Front-End Solutions for Fifth Generation Cellular Systems and Beyond
... Waveguide Array Antenna with Two- Dimensional Scanning Capability In this work, a high-performance two-dimensional (2-D) scanning one-port leaky-wave antenna (LWA) is proposed, ... Voir le document complet
210
Low-cost metal-only transmit array antennas at Ka band
... transmitarray antenna, metal-only unit- cell, polarization ...loss in the feeding system as compared to phased arrays. In addition, their operation in transmission mode allows avoiding feeding ... Voir le document complet
6
Closer look at the low-frequency dynamics of vortex matter using scanning susceptibility microscopy
... plots of the real (a) and imaginary (b) components of the first harmonic of the vortex flux distribution, b v , in a 26×26 λ 2 area of the sample for a driving force amplitude A = ... Voir le document complet
11
Low-frequency vibrational spectrum of mean-field disordered systems
... and in the random graph XY model [ 38 ], or the stan- dard D(ω) ∼ ω 2 observed in most mean-field spin glass models and jammed sphere packings [ 9 , 10 , 12 , 30 ...implication of our results is that ... Voir le document complet
19
Designing a low-cost measurement system for volume estimation
... described in Figure 3-9 Lastly any holes created by the cutting plane are patched by a series ...set of vertices connected to one another in a cycle along a mesh boundary, we first find the centroid ... Voir le document complet
53
Low Cost Subspace Tracking Algorithms for Sparse Systems
... University of Orleans 12 Rue de Blois, 45067 Orleans, France ABSTRACT In this paper, we focus on tracking the signal subspace under a sparsity ...extraction of an orthonormal basis of the ... Voir le document complet
6
Low frequency noise controls on-off intermittency of bifurcating systems
... type of intermittency was discovered in coupled dynamical systems [2] and also identified in a system of reaction-diffusion equations ...Both systems can be approximately ... Voir le document complet
5
Frequency Estimation Based on Hankel Matrices and the Alternating Direction Method of Multipliers
... data. In Figure 1, the standard deviations (STDs) of the estimates of γ p and ν p , p = 0, · · · , 3, obtained with the ADMM pro- cedure and with the ESPRIT method, are plotted as a func- tion ... Voir le document complet
6
BLIND ESTIMATION OF TIMING AND CARRIER FREQUENCY OFFSETS IN OFDM SYSTEMS
... estimate of each of the parame- ters of interest corresponds to samples over 100 OFDM sym- bols ...Each of these signals is computed using one temporal data ...blocks of 1024 samples ... Voir le document complet
5
Antenna Selection for Array Synthesis Problems
... positions in order to ensure a minimum distance between ...set of antenna locations in order to minimize the sidelobes for sin θ ∈ [−1, ...1] of a broadside focused ...arrays of ... Voir le document complet
5
Effect of polynomial interpolations on the estimation performance of a frequency-selective Rayleigh channel in orthogonal frequency division multiplexing systems
... contributions of this article are the following ones: firstly, according to the channel parameters, we give an exact expression of the error statistics (variance, correlation coefficient, distribution) ... Voir le document complet
26
Low frequency impact sound transmission through floor systems
... version of a tire/wheel constructed to make measurements according to the JIS standard [3]; 2) the standard ASTM/ISO tapping machine; 3) a human walker; and 4) a device developed for research at ...two of ... Voir le document complet
7
Cost estimation of functional and physical changes made to complex systems
... Glossary of Terms % Rework, a Common Range Constraint Design Parameter Design Range Development Cost Functional Requirement Life-Cycle Cost Operations Cost Phase of Change Produc[r] ... Voir le document complet
63
Low-frequency impact sound transmission through floor systems
... simulators of walkers. (At least for the walker and shoes in this ...Influence of different floor types To examine the influence of the floor surface on the ISO Hammer-Walker differences, the ... Voir le document complet
8
Phased array antenna with significant reduction of active controls
... useful in arrays with a periodicity larger than λ affected by the appearance of grating lobes in the visible range [ 59 ...One of the first attempts to synthesize a flat-topped radiation ... Voir le document complet
193
Global disease spread: statistics and estimation of arrival times
... analysis of epidemics which propagate worldwide along the airline connections (Rvachev & Longini, 1985; Hufnagel et ...evolutions of epidemics inside each subpopulation with diffusion along the network ... Voir le document complet
34
EM Channel Estimation in a Low-cost UWB Receiver based on Energy Detection
... future of ultra-wideband (UWB) system is bound to the system cost at both the receiver and transmitter ...a low cost communication system could simplify the deployment of sensor or ... Voir le document complet
6
Compact Antenna Array of Superdirective Elements
... ogy of parasitic superdirective arrays and the tradeoff between the maximum directivity and radiation efficiency in ...integration of two-element electrically small parasitic arrays in PCBs ... Voir le document complet
5
Local frequency and envelope estimation by Teager-Kaiser energy operators in white-light scanning interferometry
... Abstract: In this work, a new method for surface extraction in white light scanning interferometry (WLSI) is ...class of operators is helpful to extract the local instantaneous envelope and ... Voir le document complet
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