Patch antennas
CAD of Stacked Patch Antennas Through Multipurpose Admittance Matrices From FEM and Neural Networks
... In this, work, we propose a novel computer-aided design (CAD) methodology for the design of probe-fed, stacked microstrip patch antennas, which incorporates the rigor of a contrasted n[r] ...
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Quad-frequency linearly-polarized and dual-frequency circularly-polarized microstrip patch antennas with CRLH loading
... Figure 12 shows the measured radiation patterns at the four working frequencies. The results are quite similar to the ones obtained with the two-port antenna, achieving four patch-like dipolar modes. The main ...
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Multifrequency self-diplexed single patch antennas loaded with split ring resonators
... Microstrip patch antennas [3, 4] have been widely used in wireless ...multifrequency antennas with low frequency ratios could be by using metamaterial cells ...[13]. Patch antennas and ...
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Planar reconfigurable antennas for satellite communications
... array antennas have been used for military purposes for ...array antennas for the general ...GHz), patch antennas and traditional microwave circuits are good candidates but as the frequency ...
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Multifrequency printed antennas loaded with metamaterial particles
... in patch antennas working in the low-GHz band (below 3 GHz), even when the ratio be- tween the working frequencies is very ...multifrequency patch anten- nas working at higher frequencies ...of ...
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Design and Performance Analysis of Microstrip Patch Array Antennas with different configurations
... rectangular patch antenna with different design of triangular patch antennas or other shapes and make the array with more elements to provide better radiation efficiency and reduction of mutual ...
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Antennas for millimeter-wave applications
... Planar antennas typically exhibit linear polarization, however circularly polarized (CP) antennas offer more advantages; they are less affected by multi-path interferences or fading [20], they are able to ...
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TítuloNew Toroidal Beam Antennas for WLAN Communications
... As cited by Mayhew-Ridgers [3], and according to Pozar [4], bandwidth enhancement is essentially acquired by means of three approaches: impedance matching, multiple resonances, and use of lossy materials. Multiple ...
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Intervención "patch adams" en indicadores de calidad de vida de dos niñas con cáncer
... La Facultad de Psicología de la Pontificia Universidad Javeriana en su línea de Investigación en Psicología y Salud, está realizando un proyecto de tesis sobre “El efecto de la intervención Patch Adams en ...
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El gozo del Paraíso en dísticos elegíacos: notas sobre algunos milagros marianos de Nigel de Canterbury
... Todo un universo de “literatura de visiones” está descrito pormenorizadamente en el estudio de Howard Rollin Patch (la Visión de Drythelm, la de Adamnán, la de Tundale, la [r] ...
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Multifrequency and multifunction metamaterial-loaded printed antennas
... printed antennas. It is based on conventional printed antennas loaded with a small number of metamaterial ...the antennas, providing easy design and manufacturing processes and allowing the ...
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Patch antenna based on metamaterials for a RFID transponder
... is an arbitrary number not forced to be an integer number). This fact reduces the losses in the power restricted link and diminishes the power requirements in the transponder. There exist different approaches to ...
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S taff deT raducción
... a Patch, y lo encontré en uno de los juegos de lanzar la pelota, con su espalda hacia ...de Patch de golpear un único pin de ...con Patch, y sus vínculos corrían profundos hasta el punto de ser una ...
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International survey on skin patch test procedures, attitudes and interpretation.
... Skin patch test (PT) is an essential in vivo test procedure to confirm T-lymphocyte-mediated allergic diseases and/ or sensitization in subjects with allergic contact derma- titis, atopic eczema, as well as food ...
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A High-Isolation, Wideband and Dual-Linear Polarization Patch Antenna
... The main innovation of this communication is found in the geometry of the slot which is shaped with a narrow central part to keep the high isolation values and a wider part to obtain [r] ...
5
Design of microwave antennas for nitrogen vacancy centers applications
... BBA antennas provided a transmission power of at least ...DSR antennas provide a transmitted of around 37%, while providing resonances in the target range (except for the one with a larger transmission ...
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Transmitter-side antennas correlation in SVD-assisted MIMO systems
... weak antennas correlation, as depicted in ...When antennas correlation is significantly high, the parameter ϑ becomes smaller, meaning a noticeable difference in the performance of the various ...
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Design of a cylindrical near field system for radar antennas
... Huge antennas can not be measured in the standard near field or far field antenna measurement facilities. In this case, it is necessary to build an ad-hoc antenna measurement system to characterize L-band RADAR ...
5
Boletin DTN 1er. Trimestre 2017
... técnica patch & sealant, Se comprobó que, con el uso de 2 cánulas de 3 mm, la reparación fetoscópica usando un parche sellado resulta sencilla, ofreciendo un cierre rápido y satisfactorio del tubo neural, con ...
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A large area tactile sensor patch based on commercial force sensors
... (c and d) Static response of the sensor without the polyurethane cone and pressed with a circular piece of metal and a small piece of fabric at the interface with the sensor to ac[r] ...
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