Scanning the main beam
A Dual Beam Scanning Microstrip Antenna
... In these wireless applications, the directional antenna and multi-beam antenna play important roles [1]. For this reason, a leaky wave antenna becomes a suitable candidate in these applications. However, the ...
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Single-band and Dual-band Beam Switching Systems and Offset-fed Beam Scanning Reflectarray
... fed beam switching reflectarray antenna has been ...the main beam can be tilted only a few degrees from broadside ...broad beam scanning ...
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Array Beam Scanning and Switching by Variation of Amplitude-Only Excitations
... the main beam is along the broad side direction ( along the ...the main beam is largest when ɸ=0° since the radiated fields of the two sub-arrays add ...the main beams of the two ...
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Research on Multi beam Scanning and Optimization Technology for Time Modulated Array
... the main beam. The principle of conventional phased array beam scanning is to change the array phase to realize the beam ...the beam of the q th harmonic radiation pattern is ...
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Array-Fed Beam-Scanning Partially Reflective Surface (PRS) Antenna
... the main beam directions are scanned to − 10 ◦ and 10 ◦ , ...novel beam-scanning PRS antenna has been presented in this ...a beam-scanning range between ± 10 ◦ can be achieved in ...
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Continuous Beam Scanning in Substrate Integrated Waveguide Leaky Wave Antenna
... Figure 11. Simulated (dotted) and measured (solid) radiation patterns at different frequency. Figure 12. Simulated and measured antenna gains. Fig. 11. It is seen that the measured results are very close to the simulated ...
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Beam Scanning Microstrip Leaky Wave Antenna Design Based on Liquid Crystal
... novel beam scanning microstrip leaky wave antenna based on liquid crystal material is proposed in this ...the main beam angle of the antenna pattern can be easily adjusted with the changing of ...
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Dual-band beam scanning reflectarrays and novel wideband and polarization diversified planar antennas
... As can be seen in the diagram, some of the measurement cuts take place in planes other than the reflectarry’s two principle planes (x-y and y-z planes) so that the measurement cuts can pass through the main ...
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Vibration compensating beam scanning interferometer for surface measurement
... Light beam scanning using a dispersive element and wavelength tuning is coupled with fiber-optic interferometry to realize a new surface measurement ...
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Vibration compensating beam scanning interferometer for surface measurement
... Light beam scanning using a dispersive element and wavelength tuning is coupled with fibre-optic interferometry to realize a new surface measurement ...
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Analysis of the symmetry of electrodes for Electropalatography with Cone Beam CT Scanning
... The main hypothesis in [15] is that articulation asymmetries may be related to anatomical asymmetries in the shape of the speakers palate, speaker hand- edness and/or the class of speech sounds ...the main ...
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A Novel Beam Scanning/Directivity Reconfigurable m -EBG Antenna Array
... achieve Beam Scanning and Directivity reconfigurability. The main advantage of the proposed technique is that the array have negligible mutual coupling between the radiating elements, simplifying ...
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Study, design and fabrication of a two-dimension beam scanning antenna in package
... Another method to integrate filtering capability into the package was to modify the inter-layer transitions in a way to perform band pass filtering as well. Basically, the inter-layer connections are usually made with ...
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Broadband high-gain beam-scanning antenna array for millimeter-wave applications
... broadband antenna at 28 GHz. But this antenna suffers from poor radiation that some radiation nulls emerged in the main-lobe. In [7], a tilted antenna was designed by combining a patch and a waveguide aperture, ...
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Optimization and evaluation of multiple gating beam delivery in a synchrotron-based proton beam scanning system using a real-time imaging technique
... For a detailed analysis, we investigated the relationship between T W and the motion patterns of the internal fiducial marker. Fig. 6(a) and 6(b) show the normalized frequency histograms of the gate-off time for two ...
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Laser Brazing with Beam Scanning: Experimental and Simulative Analysis
... The frequency of the scan mirror and thus the energy input in feed direction was varied for the brazing speed of 3 m/min. The Fig. 6 presents the results of the measured connection width over the frequency of the scan ...
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Laser beam scanning using near-field scanning optical microscopy nanoscale silicon-based photodetector
... Instead a two-dimensional (2-D) model can be used to simulate a device whose orthogonal dimension is significantly larger than its lateral dimensions —rods, wires, etc. In this paper, we present a 2-D simulation of a ...
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PD140FNT60QMU-02C. Through Beam. Main features. Description
... The aspherical lens design gives a superior homogeneous light beam over the total beam angle. - Sensor test function: the emitter has a built-in test input designed to mute the emitter and thus evaluate the ...
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Correlative analysis of immunoreactivity in confocal laser-scanning microscopy and scanning electron microscopy with focused ion beam milling
... ion beam, scanning electron microscopy, immunocytochemistry, three-dimensional reconstruction, confocal laser-scanning microscope, neural circuit, synapse, neostriatum INTRODUCTION One of the most ...
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A sparse sampling strategy for angular superresolution of real beam scanning radar
... Abstract This paper investigates techniques for angular superresolution using limited data of real beam scanning radar (RBSR). In order to improve the angular resolution of RBSR, many algorithms have been ...
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