annular slot
A Proximity-Fed Annular Slot Antenna with Different a Band-Notch Manipulations for Ultra-Wide Band Applications
... Abstract—A proximity-fed annular slot antenna for UWB applica- tions with a band rejection using different techniques is presented. The proposed antenna provides an UWB performance in the frequency range of ...
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Single-Feed Circularly Polarized Annular Slot Antenna for Dual-Broadband Operation
... outer annular slot which indicates the slot is a full-wavelength ...inner slot, and the 5.8 GHz resonant mode is excited. The inner slot is also a full-wavelength slot at the ...
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Broadband Circularly Polarized Dielectric Resonator Antenna with Annular Slot Excitation
... on the proposed DRA. The vectors of the E -field on the annular slot of the DRA at the resonate frequency 6.64 GHz is shown in Fig. 6. Since the direction of wave propagation is along the +z direction, it ...
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Design of CPW-Fed Dual-Band Circularly-Polarized Annular Slot Antenna with Two Perturbation Strips
... circularly-polarized(CP) annular slot antenna with two perturbation strips is ...the annular slot, along with two concentric annular- ring patches, can achieve dual-band input impedance ...
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Miniaturization and Bandwidth Enhancement of a CPW-Fed Annular Slot Antenna Using RIS
... CPW-fed annular slot antenna is miniaturized with enhanced impedance bandwidth using a reactive impedance surface (RIS) ...simple annular slot ...
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Design and Investigation of a Dual-Band Annular Ring Slot Antenna for Aircraft Applications
... the annular slot, while the electric fields for the higher frequencies have opposite directions at the two sides of the annular ...concentric annular- ring patch are weak for the lower ...
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Two Novel Compact Triple-Band Microstrip Annular-Ring Slot Antenna for PCS-1900 and WLAN Applications
... The same figure can also be applied for the second design except for the circular PBG structures on the substrate. In [6], a PBG structure has been used to control harmonic frequencies of annular slot ...
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A Compact Planar Multiband Antenna For WLAN: Design, Simulation and Results
... The design of the proposed antenna follows the described guidelines followed by the optimization with the software IE3D. In the design, the antenna is printed on a 1.6 mm thick FR4 substrate of dielectric constant 4.4 ...
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Numerical Simulation and Optimization Design of the Annular Mechanical Foam Breaker
... The annular foam breaker is one which uses the vacuum and shear force generated by the Coanda effect to break ...the annular foam breaker is important to optimize its ...the annular foam breaker has ...
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Diffraction of Hybrid Modes in a Cylindrical Cavity Resonator by a Transverse Circular Slot with a Plane Anisotropic Dielectric Layer
... transverse annular slot in the perfectly conducting walls of arbitrary thickness and a plane infinite anisotropic dielectric passing through the slot is constructed based on eigenfunction ...a ...
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Compact Triple-Band Slot Antenna for Wireless Communications
... antennas with different slot embedments are analyzed and presented in Figure 4. For the case of only having U-shaped slot in the ground, the fundamental resonance mode at 2.4 GHz is effectively excited with ...
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An Efficient Dynamic Job Ordering and Slot Configuration for Minimizing the MakespanOf MapReduce Jobs
... MapReduce slot configurations for a MapReduce workload have the enormously extraordinary efficiency related to the makespan, complete completion time, process utilization and otherperformance ...down slot ...
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The effect of trimetazidine treatment on tissue doppler parameters in patients with ischemic dilated cardiomyopathy
... The initial tissue Doppler findings of the two groups are presented in Table 2. There was no significant difference between two groups with respect to initial tissue Doppler findings at study entry. We compared the ...
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Newer echocardiographic parameters in assessing RV and LV function in patients with corpulmonale.
... (mitral annular plane systolic excursion) in these patients at rest was ...(mitral annular plane systolic excursion) is a highly reliable and important tool in patients of heart failure with normal left ...
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Bandwidth Enhancement of Microstrip Line and CPW-Fed Asymmetrical Slot Antennas
... the slot antenna with different geometric configurations for the bandwidth enhancement and the size reduction have been widely studied [6, ...wideband slot antennas [8–15] have received much attention in ...
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The stability of Mars' annular polar vortex
... Mars’s annular polar vortex by placing it into wider context: what are the necessary conditions for a persistent annular vortex to exist? Using a simple numerical model that is able to capture the dynamics ...
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Limit, shakedown and ratchet analyses of defective pipeline under internal pressure and cyclic thermal loading
... gradient. Fig.8a and Fig.8b show that for a defective pipeline with small and circumferential slots the failure pattern appears almost in the whole body of the pipe, where the lighter colour represents the failure area. ...
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The Different Binding Patterns of Two Immunoglobulin M Monoclonal Antibodies to Cryptococcus neoformans Serotype A and D Strains Correlate with Serotype Classification and Differences in Functional Assays
... as annular and punctate, when bound to ...an annular IF pattern with all of the strains, irrespective of the serotype ...produced annular binding with all of the serotype A strains and punctate ...
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Studies on Base Pressure in Suddenly Expanded Circular Ducts: a Fuzzy Logic Approach
... 382 consumed and maximum reliability together by considering the various constraints like, interring stand tensions, rolling speed, and rolling pressure and forces, and thickness of the strip at exit of each stand. Even ...
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A Novel Quad band Printed Antenna Design using a Multi Slotted Patch for Cellular Communication
... of slot dimension and position is studied to achieve the new resonant modes at the higher ...shaped slot turns the frequency response of the antenna to a dual band resonant ...L slot is completely ...
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