[PDF] Top 20 J. Microw. Optoelectron. Electromagn. Appl. vol.14 número1

... Photograph of the proposed rectangular patch antenna with its corresponding simulated and measured return loss.. The reflection coefficient characteristics of the proposed antenna[r] ... See full document

... The optimized design is then checked for momentum characteristics for measuring return loss and bandwidth parameters. The return loss characteristics depicted in Fig. 6, reveals a bett[r] ... See full document

... Phase difference between differential output signals, “Type II” excitation.. Differential Impedances.[r] ... See full document

... Here, the full synthetic model is used again to check if the emission from the modified antenna system, when contributing to the cumulative exposure, will be co[r] ... See full document

... weighted least squares to obtain the electrical parameters for the soil of a typical mid-western region in Brazil using the model based in the formalism of the parabolic equat[r] ... See full document

... With the LPDA defined, the results obtained by the semi-analytic effective height are compared with the same LPDA simulated by MoM through the software 4l—˜2 [14]. Since the bandwidth of this antenna is from ... See full document

... In the sequence, it is shown that a 4-coils WPT system (which can be divided in source, two communication and load circuits) without power losses at the two c[r] ... See full document

... Measurements took place at 64 points spread across 14 radials. The selected points are spread over an area at a minimum distance of 2km and maximum distance of 43km from the Tx1. Due to the geometrical shape of ... See full document

... The use of etched FBGs produced in multimode fibers is proposed to overcome the drawbacks associated with sensing high refractive index samples employing fiber tr[r] ... See full document

... The Q value of the proposed QMSIW structure is usually approximately about quarter lower than their conventional SIW since the two opened edges are not perfect magnetic walls [25] (t[r] ... See full document

... Another method of analyzing the transmission line considers the input and output behavior of the signals in a short path of coaxial cable, along which the fractions of reflected and transmission waves are taken into ... See full document

... Simulated (dashed line) and measured (continuous line) averaged 900 MHz vertically polarized power delay profile (LOS) The distance between antennas is 50 m. Simulated (dashed line) an[r] ... See full document

... Finally, the layered thick films precursor were wrapped in a 99.999% gold foil and introduced in a 8mm inner diameter quartz tube together with 60mg of HgO. The precursor thick films were thermally treated under mercury ... See full document

... These characteristics are usually related to factors such as the salient poles in the stator and in the rotor, the switched feeding and the control strategy imposed b[r] ... See full document

... Abstract — The aim of this paper is to present and validate rain attenuation time series synthesizers relying on the Maseng-Bakken principle for terrestrial links in tr[r] ... See full document

... Abstract — This paper presents a qualitative analysis of the impact caused by fiber propagation effects and by a cascade of optical filters, designed for 10 Gb/s NRZ OOK tra[r] ... See full document

... techniques for optical dual-polarization quadrature phase-shift keying (DP-QPSK) coherent receivers, using offline post-processing of experimental data.. In addition to elect[r] ... See full document

... Therefore, it is interesting to produce softened refractive index profiles and find a way to do that using as few parameters as possible. Fortunately, according to the information theory, softened signal formats shall ... See full document

... This means that even if the other sources of uncertainty are adequately modeled, it may happen that the simulator error ends up masking the final results when compared with mea[r] ... See full document

... This paper presents a dynamic model of a wind turbine equipped with a transverse flux permanent magnet generator connected to a direct-current power system using a comb[r] ... See full document