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The inhomogeneity introduces additional two degrees of freedom (width and permittivity of the additional dielectric segment) which give more flexibility to the antenna design, leading to wider tuning range over conventional RDRA.
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To check the performance of the prepared LTCC as substrate, a microstrip-fed aperture-coupled dual segment cylindrical dielectric resonator antenna (DS-CDRA) is designed using LMAP (x = 0.02) ceramic as substrate material and Barium Strontium Titanate with 10 wt% of PbO-BaO-B2O3-SiO2 glass (BSTG) and Teflon as the components of resonating material.
The criteria for determining the relative dielectric loss in cable segments, based on the leakage current separation results, are demonstrated at the end.
As a material, blood has both conductive and dielectric properties, hence, each inner segment of the heart volume is considered as the equivalent resistor in parallel with a capacitor, whose height is determined by the inter-electrode pair distance L and time-varying median cross-sectional area A t) (Figure 3).
The active structure is composed of an array of equal segments, where the dielectric films are arranged in a pile-up configuration.
Dielectric studies on the dynamics of segments of the polymer as well as the mobility of small ions trapped in the system have been carried out both as a function of temperature and pressure under isobaric and isothermal conditions, respectively.
For the 2,4- and 2,6-TDI polyureas, two segmental relaxations were observed using dielectric relaxation spectroscopy; one arising from relatively unrestricted motion in the soft segment rich phase, and a slower process associated with segments in the soft phase constrained by their attachment to hard domains.
The morphology of such polyurethanes with non-polar soft segments can be well characterized by dielectric measurements.
Placed between two waveguides that serve as input and output ports, a wide segment of a third high contrast multimode dielectric waveguide can constitute the cavity in an integrated optical microresonator.
Dielectric spectroscopy is used to measure the local segmental relaxation times for the soft segments of a polyurea as a function of temperature and pressure.
In this work, we fabricated polyurethane elastomers (PUEs) with high dielectric properties using hydroxyl-terminated butadiene-acrylonitrile copolymer (HTBN) as soft segment and hexamethylene diisocyanate (HDI) and butanediol (BDO) as hard segment (HS).
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