Fractional Bandwidth
A Miniaturized Tunable Bandpass Filter with Constant Fractional Bandwidth
... The 3-dB fractional bandwidth and insertion loss of the fabricated filter are plotted in Figure 11. The insertion loss varies from −8.28 dB to 5.8 dB, and fractional bandwidth varies from 6.4% ...
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Compact Wideband Bandpass Filter Using Open Slot Split Ring Resonator and CMRC
... wide fractional bandwidth bandpass filter using a new open slot split ring resonator (OSSRR) defected ground structure and compact microstrip resonating cell (CMRC) is ...wide fractional ...
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220-320 GHz Hemispherical Lens Antennas Using Digital Light Processed Photopolymers
... ABSTRACT This paper presents a 220–320-GHz hemispherical lens antenna fabricated using photopolymer-based additive manufacture and directly fed by the standard WR-3 rectangular waveguide without any additional waveguide ...
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Compact Planar Microstrip Crossover for Beamforming Networks
... than 10 dB, and isolation of 15 dB over 8% fractional bandwidth. The main drawback in the design that prohibits its use in compact Butler matrices is the large size of the utilized structure. Thus, the next ...
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A Design of Quasi-Arbitrary Phase Difference Unequal Microstrip Power Divider
... Having formulated power divider design in the previous section, the characteristic impedances, electrical length and fractional bandwidth variations with the power division ratio and phase difference are ...
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A Compact Wideband Filtering Power Divider
... This paper presents a compact wideband filtering power divider by using coupled transmission lines and fan-shaped open stubs and a T-shaped slot. Its fractional bandwidth is 60% with the return loss better ...
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A Wide-Band Compact Quadrature Coupler on Multi-Layer Package Substrate
... The design of compact broadband quadrature coupler, based on a 4-layer Roger’s RO4350B package substrate, is proposed. The measurement results of the manufactured coupler show good amplitude imbalance within 1.0 dB and ...
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Design and Performance Analysis of 2.45 GHz Microwave Bandpass Filter with Reduced Harmonics
... The goal of this work is to design a microstrip line microwave single layer interdigital Chebyshev band pass filter of centre frequency 2.45GHz and fractional bandwidth 0.122 has been nearly achieved using ...
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A New Property of Maximally-Flat Lowpass Filter Prototype Coefficients with Application in Dissipative Loss Calculations
... of fractional bandwidth on the excess loss suggested by the denominator of ...of fractional bandwidth and quality factor must be considered as the accuracy criterion for the calculation of ...
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A Broadband Microstrip-to-Waveguide End-Wall Probe Transition and its Application in Waveguide Termination
... Abstract—A broadband microstrip-to-waveguide end-wall probe transition using a semicircular loop is proposed in this letter. The simulated 20-dB fractional bandwidth for this transition is 48.3% which could ...
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Compact Bandwidth-Enhanced Center-Fed CPW Zeroth-Order Resonant Antenna Loaded by Parasitic Element
... downlink frequency span (1805.2–1879.8 MHz) at the ZOR frequency. The proposed antenna has been fabricated and tested. The antenna return loss, efficiency as well as radiation pattern are presented here. The experimental ...
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A Comprehensive Parametric Study of Planar Inverted F Antenna
... impedance bandwidth, but does not have any significant effect on the radiation ...why bandwidth becomes very narrow when W s = 20 mm as shown in Figure ...
11
A Novel Microstrip LC Reconfigurable Bandpass Filter
... Abstract—In this paper, we propose and develop a novel reconfigurable bandpass filter based on microstrip LC resonators. The equivalent circuit model of the proposed filter is presented. The filter can be reconfigured by ...
9
Investigations on an h -Fractal Wideband Microstrip Filter with Multi-Passbands and a Tuned Notch Band
... and fractal scaling parameters for a H-fractal filter [11], which is termed in this paper as the symmetric case with zero offset. It is then shown that the filter passband and transition (from pass to stop or stop to ...
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An Efficient Technique for Design of Electrically Thick Differentially-Driven Probe-Fed Microstrip Antennas
... 7% fractional bandwidth was designed with the proposed technique, having its radiated patterns measured and compared with those of a conventional single-probe microstrip ...
8
Statistical Multiplexing of Homogeneous Streams results in Linear Bandwidth Gains
... We are using two different types of traces, namely, CISCO point-to-point Telepresence and IPTV. The si- mulation program was implemented in Java and it simu- lates a tandem 10-node network, where each node depicts the ...
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Fractional stochastic control involve fractional ito levy processes with applications to finance
... of fractional stochastic optimal control with fractional Ito-levy processes, stronovichIto- levy processes and fractional stronovich Ito-levy processes in ...about fractional levy process, ...
11
Uncertain Bandwidth Calculation in Networks with Non-Linear Services
... Our proposed system will not change the present bandwidth that recycles the unused bandwidth that occurs once. This will provide the base station to allocate a complementary station for every transmission ...
8
Localising temperature risk
... and the xed bandwidth local linear method. Furthermore, we check the normality of the nal residuals and present the results in the Supplementary Material Tables 13 (see there the Fourier method). All seasonal ...
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INVESTIGATING THE TELECOMMUNICATION NETWORK INFRASTRUCTURE IN GHANA TO IDENTIFY AN INFRASTRUCTURE CAPABLE FOR BUILDING NATIONAL RESEARCH AND EDUCATION NETWORK (NREN) IN GHANA
... Government being aware that the ICT market is fast growing in Ghana, she is thus keen to seeing the VRA fiber network brought into play to enable further development of services and roll-out of services to areas not ...
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