high-resolution beam forming
A Novel Approach to DOA Estimation in Radar Array Processing
... poor resolution of the classical beam forming techniques ...efficient high-resolution algorithms have been developed to enhance the resolution of the estimated ...the high ...
7
Modelling high resolution ALMA observations of strongly lensed highly star forming galaxies detected by Herschel
... a resolution of ...angular resolution of 0.12 arcsec and an RMS of approximately 230 µJy/beam and 130 µJy/beam for the H-ATLAS and HELMS sources respectively after combining all four spectral ...
13
Transmits Beam forming and Receiver Design for MIMO Radar
... eliminated, High SNR of match detector possible, we can obtain multiple independent measurements about the target, a better detection performance can be obtained, a better spatial resolution can be ...
6
Commissioning and initial experimental program of the BGO-OD experiment at ELSA
... Abstract. BGO-OD is a new meson photoproduction experiment at the ELSA facility of Bonn University. It aims at the investigation of non strange and strange baryon excita- tions, and is especially designed to be able to ...
5
Design of a Beam Forming Dielectric Cylindrical EBG Antenna
... Defects in the EBG structure can be used to direct the flow of electromagnetic energy [7–9] or to create resonating structures at frequencies within the bandgap [9, 10]. In [7] a sectoral horn antenna based on the ...
20
Analog chain calibration in Digital Beam Forming applications
... In this work, we analyze the characteristics of the acquisition chains, defining the main parameters that potentially could impact on the performance of the beam forming network. Starting from this ...
9
The Influence of Machining Parameters on the Surface Porosity of a Closed-Cell Aluminium Foam
... By forming the material, the stress field (force lines) becomes smooth and continuous, which reduces the notch effect and raises compressive ...the high deformation depth, deformation of the processed ...
9
High Resolution Electron Beam Testing of Gallium Nitride Based Light Emitting Diodes
... selected that included both bright and dark plan-view EBIC contrast. As such it is possible that the variation in pn-junction location is associated with the contrast variation. This p[r] ...
250
Reduction of dislocation density of aluminium nitride buffer layer grown on sapphire substrate
... films followed by thinning to less than 100 nm for viewing under the TEM. First the specimen undergoes cutting and is coated before digging. However, it is not cut or etched fully, but only until a 1 ^m slice remains. ...
9
Comparison of Beam forming algorithms for better Convergence
... The used FOUR WAY LMS algorithm enhances the performance of the smart antenna by reducing the mean square error(MSE) which results in faster convergence rate when compare[r] ...
5
Materials analysis: Good vibrations
... Existing theory suggests that electrons having undergone phonon scattering would be scattered through large angles and the resulting phonon signal would be spatially highly delocalized, preventing ...
6
Abstract Laser beam forming, a non-contact manufacturing
... ASER Beam Forming (LBF) is a unique technique that is used to deform plates and sheets made of metal materials such as stainless steel, mild steel, light alloys of aluminium, magnesium and ...have ...
6
PREVALENCE OF ROOT MORPHOLOGY USING CONE BEAM COMPUTED TOMOGRAPHY; A RETROSPECTIVE STUDY
... Traditional radiography is limited in its ability to give reliable information on the number and morphology of root canals. The application of cone-beam computed tomography (CBCT) provides a non-invasive ...
6
Modelling high-resolution ALMA observations of strongly lensed highly star-forming galaxies detected by Herschel
... The more accurate lens models afforded by higher res- olution submm follow-up also bring about improvements in model-dependent source characteristics such as luminosity, star formation rate and gas and dust mass but also ...
11
APEX: A Prime EXperiment at Jefferson Lab
... tested and data acquisition rates are being improved, to allow for up to 5 kHz. A complete description of the full run is in [5]. Additionally, possible modifications to the original run plan are being considered that ...
5
The Research of Beam Forming Algorithms In Cognitive Radio Systems
... (6) According to the optimization problem of maximizing the capacity, the deformation mode of the beam forming is calculated as MMSE, It also proves the optimization problem of the maximum capacity ...
5
Polystyrene negative resist for high resolution electron beam lithography
... ultimate resolution (half-pitch) of this resist, we exposed dense line arrays and dot arrays using 30-nm-thick polystyrene at 20 and 5 ...for high resolution patterning in to reduce the effect of ...
6
Advanced Nanoscale Characterization of Cement Based Materials Using X-Ray Synchrotron Radiation: A Review
... An example of hard X-ray nCT is shown in Fig. 2. Using the same type of sample from Fig. 1, a tomography dataset was collected from another 11 A ˚ Al–tobermorite particle extracted from ancient Roman sea water harbor ...
16
High Resolution Ion Beam Investigations of the Mechanisms of Titanium Anodization
... conservation of energy and momentum, the mass of the target atom can be calculated, which is how RBS gains its elemental sensitivity. If an ion penetrates a depth (Δx) into a sample before backscattering, it will suffer ...
183
Complete Spectroscopy of 30P
... Experimental systems with excellent beam energy resolution are used at the High. Resolution Laboratory (HRL) at TUNL in order to perform very precise nuclear struc-[r] ...
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