half-wavelength
Protection Scheme Half Wavelength Transmission Trunk Using Conventional Relay
... This paper presents the main results on the use of conventional protection hardware to protect a Half Wavelength Transmission Line, or shortly AC-Link, for possible occurrence of three-phase and ...
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Compact Thick Metal Diplexer with Multi-Coupled Folded Half Wavelength Resonators
... An effective source/load-multi-resonator coupling method for miniaturized microstrip filters with half wavelength open loop resonators was proposed in [8]. A tall, narrow side arm connected to the source or ...
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Energization of a Half Wavelength Transmission Line Pre Operational Transients Studies
... In the present paper the main results of the pre-operational studies related to the energization maneuver of a Half-Wavelength Transmission Line (AC-Link), are presented. The simulations were performed in ...
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Integrated protection based on multi-frequency domain information for UHV half-wavelength AC transmission line
... According to the basic principle of HWACT, the elec- tromagnetic transient model of HWACT is built to sup- port fault transient process analysis. Based on fault characteristics of HWACT, the adaptability of traditional ...
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A Novel Triple-Mode Bandpass Filter Using Half-Wavelength-Resonator-Coupled Square-Loop Resonator
... The coupling scheme of the triple-mode filter is shown in Figure 3. The shaded circles (marked 1, 2 and 3) represent the three resonance modes, i.e., even mode (mode 1) and odd mode (mode 2) of square-loop resonator and ...
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Microwave Characterization of Electrical Conductivity of Composite Conductors by Half-Wavelength Coplanar Resonator
... Several half-wavelength coplanar resonators are realized using several pure conductors, silver (Ag), copper (Cu), gold (Au) and tin (Sn), to compare their quality factors ( Q 0 ), related to losses, with ...
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New Bandpass Filters Using Half-Wavelength and Branch-Line Resonators
... To avoid the fabrication of via in Fig. 1(a), a new type of microstrip cross-coupled filter using half-wavelength and branch-line resonators is proposed in Fig. 2. Here, two λ/2 U-shaped uniform- impedance ...
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Plane Wave Scattering by Patches Periodically Placed on a Dielectric Rod Surface
... θ s → 0. Thus this resonance becomes extremely low frequency and quasi static. This can be explained by the fact that due to the almost touching ends the capacitance tends to infinity when θ s → 0 [3–5]. That is why the ...
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Partial H-Plane Band-Pass Waveguide Filter Using Compact Resonators
... Fig.3 shows top view of a proposed partial H-plane resonator. The resonator is located within a partial H-plane waveguide. The principle of partial H-plane resonator design is based on optimization using HFSS software. ...
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Compact Differential Bandpass Filter with Improved in-Band Common-Mode Suppression with Loaded T-Shaped Resonators
... is half-wavelength resonator using microstrip lines and the second part is coupled open-ended lines which can provide electric coupling as a lumped capacitance in this ...
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Beam-Forming and Beam-Steering Capabilities of a Reconfigurable Plasma Antenna Array
... metallic half-wavelength dipole antenna surrounded by N D = 32 identical finite-size plasma discharges which are generated and confined in cylindrical glass ...
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A NEW QUADRI POLARIZATION RECONFIGURABLE CIRCULAR PATCH ANTENNA
... antenna to be resonant, a length of microstrip transmission line slightly shorter than one-half wavelength at the frequency is used.. A variant of the patch antenna common[r] ...
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A Novel Bandpass Filter with Controllable Transmission Zeros
... A bandpass filter with a fifth-order Chebyshev frequency response and 0.01-dB ripple level is fabricated on a substrate with dielectric constant ε r = 2.55, loss tangent δ = 0.0029, and thickness h = 0.8 mm for validation. ...
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Using Spherical Shells for Gain Enhancement of Compact Wideband Phased Arrays
... Abstract—Spherical shells are proposed and presented to improve the gain of a class of wideband phased array systems. This kind of phased arrays is composed of compact elements, which allow for a small distance between ...
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A Simple Bandpass Filter with Independently Tunable Center Frequency and Bandwidth
... a half-wavelength transmission line with both ends short-ended and a T-shaped transmission ...the half-wavelength transmission line to adjust the resonant ...the half-wavelength ...
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Modeling Planar Inverted F Antenna Based On 3D Finite Difference-Time Domain (FDTD) Method In Grapichal User Interface (GUI) For Radiation Pattern Evaluation
... xiv 3.3 Omnidirectional antenna pattern 47 3.4 E-plane pattern 48 3.5 H-plane pattern 48 3.6 Half wavelength 48 3.7 One wavelength 49 3.8 Two-Dimensional directivity pattern 50 3.9 Three[r] ...
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Input Impedance of Rectangular Microstrip Antennas on Non-Radiating Edges for Different Feed Sizes
... of half- wavelength rectangular microstrip antennas fed by coaxial connectors of different sizes at any point on any one of the non-radiating edges and open-circuited at the other ends are ...
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A Practical Electrode for Microwave Plasma Processes
... Abstract: In-liquid plasma chemical vapor deposition (CVD) method is useful for high speed production of high quality diamond films. The method is simple and secure comparing usual CVD methods. In this paper, new ...
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Microstrip Bandpass Filters Using End-Coupled Asymmetrical Step-Impedance Resonators for Wide-Spurious Response
... The first bandpass filter consisting of two asymmetrical step-impedance resonators cascade together is presented. Each resonator is a half- wavelength length. Its dimension is shown in Fig. 5(a). The filter ...
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Wideband Circularly Polaried Cross Bowtie Dipole Antenna with Axial-Ratio Bandwidth Enhancement
... introducing half-wavelength parasitic resonators, which can generate a new minimum AR ...the half-wavelength parasitic resonators have relatively large ...
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