[PDF] Top 20 J. Microw. Optoelectron. Electromagn. Appl. vol.15 número1

... 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

... 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

... Some of the classical rain attenuation prediction models based on data collected on terrestrial radio Lin model [9], Moupfouma model [10], and Da Silva Mello model [11] are a few classical rain attenuation prediction ... 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

... ‘‘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

... 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

... 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

... 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

... 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

... [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

... The measurement setup is shown in Fig. 10. The measured radiation pattern at 17.5 GHz and the gain curve are represented in Fig. 11. As it is observed the main beam direction in E-plane is -15 deg off-broadside ... See full document

... In (15), a > 0, b > 0 and z = a + ib , i.e., z is associated with an active PRI structure. Finally, note that lossless plasmonic scatterers with arbitrary radius have analytical expressions involving Bessel ... See full document

... Because of its uncontestable advantages (simple and compact construction, reduced length and good radiation performance) the backfire antennas have been widely used in various wireless systems, mostly military, earth ... See full document

... The impedance bandwidth and other radiation properties have been enhanced by using defected microstrip structure (DMS) and defected ground structure (DGS).. This study is furthe[r] ... See full document

... Reflectivity behavior for FBG imprinted in tapered fibers with diameters of 80 µm, 95 µm and 110 µm and in a standard single-mode fiber not subjected to the flame-brushing.. Reflectivit[r] ... See full document

... axis of the core region which creates an effective index difference between the two polarization modes. These modes can be verified theoretically as well as experimentally [5]- [8]. PMPCFs can exhibit high birefringence, ... 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