[PDF] Top 20 J. Microw. Optoelectron. Electromagn. Appl. vol.15 número2

... ‘‘Novel compact elliptic -function narrow-band band pass filters using microstrip open- loop resonators wit h coupled and crossing lines,’’ IEEE Transactions on Microwave Theory [r] ... See full document

... Rain attenuation can be conveniently defined as the product of specific attenuation (dB/km) corresponding to the point rain rate (typically measured at one end of the link) and the effective propagation path length (km) ... See full document

... The principle behind the PLC technique has emerged since 1838, when a remote measurement system was proposed to monitoring battery levels of sites far from the telegraph system between London and Liverpool, using the ... See full document

... In the framework of the Lorenz-Mie theory (LMT), there is a linear relationship between EM fields (E,H) and MCs [12]. This simply means that splitting MCs into two additive terms is equivalent to doing the same with ... See full document

... [2] Coelho, Thiago V.N.; Pontes, M.Jose; Santos, Jose L.; dos Santos, A.Bessa; Silveira, Daniel D.; Silva, Vinicius N.H.; Lopez -Barbero, A.P.; Delgado, Felipe S.; Neto, Presley X., "A numerical and experimental ... See full document

... Contaminated sand may remain in place for months or even years before being excavated for use. Previous studies showed that the dielectric constant of sand increases almost linearly with temperature [15]-[16]. At ... See full document

... The green line shows the result from a vector network analyser, the dashed black line shows the result of the processing technique and the red line shows the result of the processing te[r] ... See full document

... Tobar, A simple dual band electromagnetic band gap resonator antenna based on inverted reflection phase gradient, IEEE Transactions on Antennas and Propagation, Vol. Esselle and[r] ... See full document

... interpolations of optical performance monitors (OPM) measurements, as well as in analytical models and numerical simulations [11]-[13]. The main figures of merit of QoT are the OSNR and the bit error rate (BER) [5]. The ... See full document

... In Fig. 2 are shown three situations of optimized microstrip antennas with full ground planes. For these designs were used FR-4 substrates with size 85 x 85 mm², relative permittivity 4.4, 1.57 mm of thickness, and loss ... See full document

... the top of the upper substrate [14]. The elements of Fig. 2(c) and Fig. 2(d) printed on both sides of the bottom substrate are used as FSS layer (Fig. 3(a)).The main effect of 2 mm spacer is to reduce the coupling ... See full document

... According to the results shown in the above table, we can show that the highest amplitudes of electric and magnetic fields radiated and total radiated power density are obtained for the[r] ... See full document

... that realizes the impedance matching between the impedance of the feeding line built in microstrip line technology and the impedance of the component built in Substrate [r] ... See full document

... The most classical approach of broadband beamforming is to use tapped delay-lines (TDLs) or FIR filter to accomplish beamforming in time-domain. This time domain broadband beamformer is equivalent to a time domain ... See full document

... It is found that the cross-polarization level diminishes as the feed point close to the edge of the lower patch and the input resistance increases, this variation of which is [r] ... See full document

... This paper investigates one of the basic decision problems faced by a cognitive radio: given a time window of a specific size, a secondary user (SU) should decide if [r] ... See full document

... In recent years, many researchers have sought energy-efficient solutions for telecommunications networks and computers and some energy models have been examined for wireless networks and ad hoc systems [4], [8], ... See full document

... Abstract — With the increase in demand to Backbone networks, one became fundamental the application of new telecommunication technologies for efficient use of devices and [r] ... See full document

... Index Terms — Fabry-Pérot (FP) filter, Fiber Bragg Grating, fiber delay, Free Spectral Range (FSR), Microwave photonics, Q-factor, spectrum slicing, tunability.. INTRODUCTION.[r] ... See full document

... The proposed approach is applied to solve the coupled systems resulting from the electromagnetic scattering problem and its performance is evaluated based on the [r] ... See full document