Patch antenna
Patch antenna based on metamaterials for a RFID transponder
... dual-frequency antenna at ...This antenna will be designed with a patch antenna filled with metamaterial structures and fed through two coupled microstrip ...
6
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 and Performance Analysis of Microstrip Patch Array Antennas with different configurations
... microstrip patch antenna has some advantages (low cost, light weight, conformal & low profile), but it has little disadvantages too like low gain, low efficiency, low directivity and narrow ...many ...
14
Free-space and on-metal dual-band tag for UHF-RFID applications in Europe and USA
... a patch-antenna based dual-band UHF- RFID tag has been carried out by means of the perturbation method applied to the impedance matching network cascaded between the chip and the patch ...
14
Design and Optimization of Rectangular Microstrip Patch Array Antenna Using Frequency Selective Surfaces for 60 GHz
... Microstrip Patch Antennas (MPAs) are mostly known for their versatility in terms of possible geometries that makes them applicable for many different ...advantages. Patch antenna has a narrow ...
9
Planar antenna array on LTCC and rogers substrate for 5G applications
... Microstrip patch antennas have been widely used in recent years because of their good characteristics: they are electrically thin, lightweight, low cost, conformable and they possess wider bandwidth than ...
153
Quad-frequency linearly-polarized and dual-frequency circularly-polarized microstrip patch antennas with CRLH loading
... microstrip patch antennas are based on using several radiators [6, 7], fractal-based geometries [8], stubs [9, 10] and coupled resonators ...microstrip patch antennas partially filled with Composite ...
25
S taff deT raducción
... Su completa falta de sensibilidad me sacudió de mis casillas… tanto que ni siquiera tuve una respuesta a su insulto. Arrebaté mi hamburguesa de queso y Coca-Cola del mostrador, dejando el billete de veinte en su lugar. ...
263
TítuloNew Toroidal Beam Antennas for WLAN Communications
... fed patch elements of the same kind may be arranged along a circular ring so as to radiate a prescribed toroidal beam, provided that every element radiates a sum pattern with its maximum shifted from the ...
24
A new amphipod species (Peracarida: Amphipoda: Ampithoidae) collected from Cenote Aerolito, Cozumel Island, Quintana Roo
... base of antenna 2 (poorly developed in C. compta); inner lobe of maxilla 2 widest proximally (widest medially in C. compta); gnathopods 1 and 2, article 6 larger than 5 (as long as 5 in C. compta); article 2 ...
5
Comparing face patch systems in macaques and humans
... a patch located in the inferior convexity below the principal sulcus that is lateralized to the right hemisphere, and a patch in the anterior bank of the lower arcuate sulcus ...
6
Segmentación del hipocampo en imágenes T1-MRI por el método Patch-Match
... en una de las plantillas de la biblioteca siendo t el sub´ındice de esta plantilla. Para restringir esta asignaci´ on, se define en la plantilla un ´ area centrada en las coor- denadas (x,y,z) correspondientes al v´ oxel ...
98
TítuloStudy of the effects produced by time modulation applied to an antenna array in digital transmission systems
... the antenna level and its effects (conversion of space diversity into frequency diversity) can be profitably exploited by using a single RF front ...of antenna elements N ...per antenna is unfeasible ...
127
Experimental evaluation of 4G technologies in metro tunnel scenarios
... indoor and outdoor antennas. In the first part of the course of the train, the indoor receiver is still inside the tunnel, and a strong attenuation of the signal (the train blocks the signal path) can be appreciated ...
5
Planar reconfigurable antennas for satellite communications
... active antenna systems have a great behavior in terms of adaptability they are not affordable for the general ...GHz), patch antennas and traditional microwave circuits are good candidates but as the ...
198
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] ...
15
Comparison of reflector antenna measurements and simulations
... The achievable agreement between antenna measurement and numerical simulation has been investigated using many measurements and many simulations. The experiment has been designed to minimize error sources not ...
5
Contribution to the characterization and evaluation of multiple antenna systems for communications: prototyping, propagation and antenna perspective
... the antenna perspective in MIMO systems is pushing the introduction of the antenna effect in the MIMO channel models, but there are still few of them that include the antenna ...some antenna ...
408
Towards a generalized methodology for smart antenna measurements
... smart antenna systems requires the use of modulated ...smart antenna characterization measurement setup must have the capability to generate signals properly modulated according to the specifications of the ...
5
Description and results: Antenna measurement facility comparisons
... Additional activities have involved the refinement of standard procedures and protocols and tools for verification, such as t h e facility comparison campaigns, giving rise to ferti[r] ...
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