[PDF] Top 20 J. Microw. Optoelectron. Electromagn. Appl. vol.10 número2

... Abstract— A novel compact wideband high-rejection lowpass filter (LPF) using H-DGS is presented. The proposed filter has neither open stub nor cascaded high-low impedance elements. It consists of two coupled H-slots in ... See full document

... wavelength.Once we got imaginary effective refractive index, we can calculate confinement loss of PCF easily by using the equation (35). It is found that confinement loss decreases with increasing air hole diameter and ... See full document

... Previous works consider c ≈ 0 as a global parameter [3], [8] (c = 0.01 is often used). Although small values of c can produce highly accurate results, it is not always possible to compute (8)-(10) due to matrix ... See full document

... In [10], the various Optical Burst Switching (OBS) reservation schemes have been examined in order to reduce data loss caused by either channel scheduling or resources. A novel multi-service OBS edge node with ... See full document

... Jung, “A novel design for a dual-band negative group delay circuit,” IEEE Microwave and Wireless Letters , Vol. Man, “Dual-band hybrid coupler with extended bandwidth,” Microwave[r] ... See full document

... The investigation of the wavelet decomposition to obtain coarse grid, restriction and prolongation operators, has been the main subject of many multilevel approaches that are aimed to overcome those difficulties ... See full document

... RFAs are commonly designed as lumped Raman amplifier or distributed Raman amplifier configurations [10]. Pumping schemes in those amplifiers can go forward and/or backward in relation to the propagating signals. ... See full document

... According to ITU-T G.657 standard, developed by Study Group 15, approved and introduced in December 2006 there are two categories in single-mode optical fiber design for access networks, which are the G.657A and G.657B ... See full document

... Three force calculation methods are employed in the analysis of the computer-based problems: (i) virtual work; (ii) Maxwell stress tensor; (iii) weighted Maxwell stress tensor. Under their classical formulations, the ... See full document

... and 7896, respectively. With these discretizations we have a good convergence of the results. The dimensions used in these simulations are L=50nm, d=10nm, and thickness w=9.5; 10; 10.3; 10.6 (nm) for the antennas ... See full document

... In Xu [10], wavelet analysis was used in ultrasound to bone characterization. This work investigates analysis of ultrasonic signals using time-frequency techniques to determine density and bone strength. ... See full document

... Comparing the Figs. 10, 11, 12 and 13 it can be noted that, for both rotor types, the Three Level Control strategy presents a minor current slope. The current slope occurs during the application of reverse voltage ... See full document

... Although literature shows that metaheuristics can be used to synthesize FBGs, they suffer because of the high number of parameters needed to represent a FBG properly. Using the modeling based on uniform sections ... 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

... Figures 2 and 3 show the amplitude and phase responses of the time-domain compensator for = 17 ps/[nm · km], z = 50 km, and T = 1/(56 · 10 9 )s (corresponding to the total accumulated dispersion of the ... See full document

... existing 10 Gb/s infrastructure without much expenses, by using NRZ OOK, direct detection and low loss optical dispersion compensator, ...i.e. 10 Gb/s-designed DCM based on chirped gratings, thus allowing ... See full document

... Moreover, comparing the degradation behavior between the two solutions and a non aged fiber, it’s visible a decay in the fracture stress as we increase the aggr[r] ... See full document

... limitation to the applications, such as adaptive antenna arrays for cellular or satellite communications, where wide coverage is usually required. In view of this, using differential feeds [8], a half wavelength strip ... See full document

... Consequently, to obtain more accurate designs, it is necessary to use (13) and (14) instead of (11) and (12) in (8) to (10) to calculate the gain and analyzing the results, especially when the antenna length is ... See full document

... The hybrid modes dispersion curves generated by this characteristic equation were tested with the degenerated case of a hollow cylindrical corrugated guide by using an. isotropi[r] ... See full document