[PDF] Top 20 A Millimeter Wave Multi-beam Transparent Transmitarray Antenna at Ka-band

... presents a transmitarray antenna (TA) in the ...frequency band. The proposed TA is optically transparent and offers the possibility of steering the beam in the H-plane from -30° ... Voir le document complet

... metasurface, antenna, millimeter- wave, beam shaping, silicon, gallium arsenide, ...metasurface antenna is a planar aperture synthesized using an array of sub-wavelength elements ... Voir le document complet

... to a 1-bit reconfigurable transmitarray unit- cell working in circular polarization at ...with a truncated corner patch antenna. A specific waveguide characterization setup and ... Voir le document complet

... determining a continuous demand to increase the capacity of the actual telecommunication ...to a forecast of ...available at millimeter wave frequencies for satellite communications, ... Voir le document complet

... project at the Technical University of Denmark (DTU), Lyngby, Denmark, where he worked on spherical nearfield antenna ...realized at CEA-Leti, Grenoble, ...been a Research Engineer with ...as ... Voir le document complet

... Terms— Transmitarray antenna, dual-band, Ka-band, discrete lens ...applications at millimeter wave frequencies ...of a transmitarray consists in ... Voir le document complet

... requiring beam scanning and/or beam shaping, such as radar systems, satellite communications, and mm-wave 5G for mobile backhaul links or mobile access ...This beam reconfiguration technique ... Voir le document complet

... arrays; Ka-band. I. I NTRODUCTION A transmitarray (TA) is typically composed of a planar, faceted or conformal array realized in PCB (Printed Circuit Board) technology and illuminated ... Voir le document complet

... here a design of metal-only unit-cell for transmitarray antenna (TA) applications at Ka-band, and we introduce a solution to reduce the total number of layers by ... Voir le document complet

... A high receiver noise temperature relative to the surface temperatures to be measured is a desirable feature for a millimeter-wave pyrometer because it insures that[r] ... Voir le document complet

... Index Terms—Metasurface antennas, leaky waves, circular polarization, satellite communications, CubeSats. I. I NTRODUCTION Satellite communications usually require high-gain antennas with circular polarization and ... Voir le document complet

... propagation at 60 GHz has been investigated by measurements conducted in two indoor ...omnidirectional antenna in the center of the table than in the corner of the ... Voir le document complet

... from Ka-band scattering coefficient, which is not possible from present day Ku measurements that also highly depend on surface ...Indeed, a strong temporal variability of the altimetric observations ... Voir le document complet

... excite a Bessel beam propagating within the expected non-diffractive ...field at different distances from the waveguide aperture is ...main beam starts to ... Voir le document complet

... The results show that even for this large a population, the chance of randomly generating a genotype which has a fitness value approaching that of a typical iteration of the[r] ... Voir le document complet

... A chirped pulse millimeter wave (CP- mmW) setup was combined with the buffer gas cooling apparatus for combined laser and millimeter wave spectroscopy experiments o[r] ... Voir le document complet

... dB at 60 GHz [25]. Therefore, an antenna module comprising four SP3T switches, an SP4T switch and a single RF input close to the switches, ...or a waveguide, exhibits an overall loss of about ... Voir le document complet

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... to millimeter wave region, the efficiency and quality of microstrip lines suffer from serious transmission losses and signal ...high-performance millimeter-wave systems at ...antennas, ... Voir le document complet

... applications at microwaves. Their use in time-domain leads to the definition of a new class of devices, namely, the X-wave ...with a specific interest at millimeter ...under ... Voir le document complet