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high selectivity

A High Selectivity Quadruple-Mode BPF with Two Short-Circuited Stub-Loaded Sirs

A High Selectivity Quadruple-Mode BPF with Two Short-Circuited Stub-Loaded Sirs

... In this paper, a quadruple-mode broadband BPF with two short-circuited stub-loaded stepped-impedance resonators (SIRs) and input/output source-load coupling feed structure is presented. The proprosed BPF has a good ...

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Compact Dual-Band Bandpass Filter Based on Substrate Integrated Waveguide Cavity with High Selectivity

Compact Dual-Band Bandpass Filter Based on Substrate Integrated Waveguide Cavity with High Selectivity

... The proposed compact dual-band SIW filter with high selectivity is designed, fabricated and measured. A photograph of the final filter and its corresponding simulated and measured transmission responses are ...

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A High Selectivity Dual-Band Bandpass Filter Using Dual-Mode and Triple-Mode Resonators

A High Selectivity Dual-Band Bandpass Filter Using Dual-Mode and Triple-Mode Resonators

... high selectivity. In [6, 7], the single mode resonator achieves high selectivity by cross-coupling ...passbands, high selectivity and simple design ...

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A Miniaturized Bandpass Frequency Selective Surface with High Selectivity Base on Slot Coupling

A Miniaturized Bandpass Frequency Selective Surface with High Selectivity Base on Slot Coupling

... Abstract—A Ku-band bandpass frequency selective surface (FSS) with high selectivity and miniaturization is proposed in this paper. We use two metallic strips and one slot to design the frequency selective ...

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High Selectivity Dual-Mode Bandpass Filter with Source-Loaded Coupling

High Selectivity Dual-Mode Bandpass Filter with Source-Loaded Coupling

... novel high selectivity filter is fabricated on the RT/Duroid 5880 substrate through the standard PCB process and the fabricated filter protograph is shown in Figure ...

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Compact High-Selectivity Dual/Tri-Band Bandpass Filters for WLAN Applications

Compact High-Selectivity Dual/Tri-Band Bandpass Filters for WLAN Applications

... and high selectivity ...and high frequency selectivity are the basic requirements for this kind of ...for high performance multiband ...

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High Selectivity Differential Bandpass Filter Using Dual-Behavior Resonators

High Selectivity Differential Bandpass Filter Using Dual-Behavior Resonators

... In this letter, a novel high selectivity differential BPF based on DBRs is proposed. The out-of-band suppression of DM and CM operation can be easily obtained by the bandstop transmission characteristic of ...

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High Selectivity Ultrasonic Imaging of Closed Cracks Using Global Preheating and Local Cooling

High Selectivity Ultrasonic Imaging of Closed Cracks Using Global Preheating and Local Cooling

... High-selectivity ultrasonic imaging of closed crack is an important subject for avoiding not only underestimation but also misidenti fi cation of closed cracks. Thus far, the combination of load difference ...

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Compact Microstrip BPF with High Selectivity Using Extended Tapped Lines

Compact Microstrip BPF with High Selectivity Using Extended Tapped Lines

... The simulated and measured results are plotted in Fig. 9 for comparison. The measured passband is centered at 2.4 GHz with FBW of 8.3%. The measured minimum insertion is 1.12 dB, with return loss better than 20 dB. Four ...

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Quad-Band Multilayer SIW Filter with High Selectivity and Controllable Bandwidths

Quad-Band Multilayer SIW Filter with High Selectivity and Controllable Bandwidths

... An effective multilayer method is presented and validated for a quad-band SIW filter, and bandwidths of the passbands can be controlled independently. Additionally, the transmission zeros introduced by the source-load ...

6

Compact Lowpass Filter with High Selectivity Using g
-Shaped Defected Microstrip Structure

Compact Lowpass Filter with High Selectivity Using g -Shaped Defected Microstrip Structure

... Compact microstrip lowpass filters (LPFs) with wide stopband and high selectivity are desirable to suppress harmonics and spurious signals in modern wireless communication systems [1, 2]. Conventional ...

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High Selectivity Broadband Bandpass Filter with Dual-Mode Folded-T-Type Resonator

High Selectivity Broadband Bandpass Filter with Dual-Mode Folded-T-Type Resonator

... and high selectivity broadband BPF with the fractional bandwidth 57%, as shown in Figure 1, is proposed using the dual-mode folded-T-type resonator and the short stub loaded parallel-coupling feed ...

7

Structurally simple synthetic 1, 4-disubstituted piperidines with high selectivity for resistant Plasmodium falciparum

Structurally simple synthetic 1, 4-disubstituted piperidines with high selectivity for resistant Plasmodium falciparum

... This high proportion of compounds with fairly high activity is a good preliminary indication of the antiplasmodial bioactivity in the piperi- dine parent ...showed high antiplasmodial ...showed ...

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Design of Novel Compact Tri-Band Bandpass Filter with Controllable Frequencies and High Selectivity

Design of Novel Compact Tri-Band Bandpass Filter with Controllable Frequencies and High Selectivity

... In this paper, we present a novel miniaturized tri-band bandpass filter with high selectivity. The filter is designed by utilizing two sets of quarter-wavelength resonators, and the frequencies of the three ...

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A Compact Wideband Bandpass Filter Using Novel CSRR Loaded QMSIW Resonator with High Selectivity

A Compact Wideband Bandpass Filter Using Novel CSRR Loaded QMSIW Resonator with High Selectivity

... with high selectivity below the characteristic cutoff frequency of the conventional ...and selectivity, simultaneously, with simple ...a high selectivity with a shape factor of ...

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High Selectivity Balanced Bandpass Filter with Tunable Bandwidth Using Stub-Loaded Resonator

High Selectivity Balanced Bandpass Filter with Tunable Bandwidth Using Stub-Loaded Resonator

... This letter has proposed a tunable balanced triple-mode BPF. The tunable bandwidth and better common-mode suppression can be achieved with the proposed varactor-tuned resonator and suitable parameters of the coupling ...

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Design of Compact Wideband High-Selectivity Band-Stop Filter Based on Coupled Lines

Design of Compact Wideband High-Selectivity Band-Stop Filter Based on Coupled Lines

... Abstract—In this paper, a compact band-stop filter with a wideband and high-selectivity performance is proposed and analyzed. This band-stop filter includes two parallel-coupled lines of different electrical ...

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High-Selectivity Filter Banks for Spectral Analysis of Music Signals

High-Selectivity Filter Banks for Spectral Analysis of Music Signals

... into high-selectivity filters is to employ a distinct higher- order kernel filter at each level l of the structure, instead of the unique low-order FFT kernel given in ...

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A Novel Dual-Band SIW Filter with High Selectivity

A Novel Dual-Band SIW Filter with High Selectivity

... modes) and weak cross coupling between I/O ports, thereby producing three transmission zeros which make the dual-band high selectivity. The offset of the input/output ports shifts the second transmission ...

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A New Heptamethine Cyanine Based Near Infrared  Fluorescent Probe for Divalent Copper Ions with High  Selectivity

A New Heptamethine Cyanine Based Near Infrared Fluorescent Probe for Divalent Copper Ions with High Selectivity

... The light in the near-infrared region (NIR) around 650 - 900 nm can penetrate more deeply into tissues, which is of importance to study on living organism im- aging. Moreover, it has a further advantage that auto- ...

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