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3-dB down bandwidth

Low Profile Broadband Antenna Array for High-Rate Close Proximity Wireless Communication Systems at 60 GHz

Low Profile Broadband Antenna Array for High-Rate Close Proximity Wireless Communication Systems at 60 GHz

... impedance bandwidth (VSWR < 2) to cover the wide unlicensed frequency band around 60 GHz (57–64 GHz) for the HRCP P2P wireless communication ...than 3 dB in the entire operating frequency band ...

9

A Terahertz Quarter Wave Plate Based on Staggered Split Ring Resonators

A Terahertz Quarter Wave Plate Based on Staggered Split Ring Resonators

... Abstract—In this paper, we propose a transmissive quarter wave plate (QWP) which can provide linear-to-circular polarization conversion in terahertz (THz). The structure is composed of one dielectric layer with staggered ...

7

Piezoelectric Transducer-Tuned Fourth-Order Microstrip Bandpass Filter with Cross-Coupling

Piezoelectric Transducer-Tuned Fourth-Order Microstrip Bandpass Filter with Cross-Coupling

... A fourth-order bandpass filter is designed by using microstrip open-loop resonators. A cross coupling is introduced between the first and fourth resonators, and two transmission zeros are produced on both sides of the ...

10

Improve Gain, Noise figure and Spurious Free Dynamic Range in Intensity Modulation Analog Photonic link using Digital Signal postprocessing  compensation by Linearized Downconverting  Algorithm.

Improve Gain, Noise figure and Spurious Free Dynamic Range in Intensity Modulation Analog Photonic link using Digital Signal postprocessing compensation by Linearized Downconverting Algorithm.

... linearized down converting ...from Down converting ...27.5 dB, respectively and spurious-free dynamic range of 128.3 dB in 1-Hz bandwidth which when compared by using linearized ...

11

The theory of a continuous damped vibration absorber to reduce broad band wave propagation in beams

The theory of a continuous damped vibration absorber to reduce broad band wave propagation in beams

... the bandwidth of such a neutraliser, defined there as the frequency range over which the attenuation is greater than 3 dB, is found to be equal to ω a µ k/4, where ω a is the tuning frequency (the ...

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A Novel Slot for Enhancing the Impedance Bandwidth and Gain of Rectangular Microstrip Antenna

A Novel Slot for Enhancing the Impedance Bandwidth and Gain of Rectangular Microstrip Antenna

... impedance bandwidth of conventional RMSA can be enhanced from ...impedance bandwidth and gain is achieved by replacing C-slot by ...impedance bandwidth and gain does not affect the nature of ...

9

Design of a Wideband Circularly Polarized Cross-Dipole with Wide Axial-Ratio Beamwidth

Design of a Wideband Circularly Polarized Cross-Dipole with Wide Axial-Ratio Beamwidth

... the 3 dB AR beamwidth of basic CP ...broaden 3 dB AR beamwidth, which are laid on the upper and lower layers, respectively, exhibiting a 3 dB AR beamwidth more than 180 ◦ ...wide ...

7

A saturated red color converter for visible light communication using a blend of star shaped organic semiconductors

A saturated red color converter for visible light communication using a blend of star shaped organic semiconductors

... modulation bandwidth and data transmission rates. The measured 3 dB modulation bandwidth of blends (~ 55 MHz) and data rate (> 200 Mbits/s) are significantly higher than the commercially ...

13

Wideband Cavity-Backed Crossed Dipoles for Circular Polarization

Wideband Cavity-Backed Crossed Dipoles for Circular Polarization

... There are many methods to construct circularly polarized antennas, e.g., single feed truncated corner antenna [1, 2], crossed dipoles [3] and dielectric resonator antenna [4, 5]. However, their axial- ratio (AR) ...

10

Design of a Circularly Polarized Microstrip Antenna for WLAN

Design of a Circularly Polarized Microstrip Antenna for WLAN

... best 3-dB axial ratio bandwidth at ...10 dB return loss bandwidth and the 3 dB axial ratio bandwidth were obtained when stub length was 5 ...

12

Results from the national intercomparison for rise time  and bandwidth measurements within the German  Calibration Service (Deutscher Kalibrierdienst – DKD)

Results from the national intercomparison for rise time and bandwidth measurements within the German Calibration Service (Deutscher Kalibrierdienst – DKD)

... Abstract. An intercomparison in the framework of the Ger- man Calibration Service (Deutscher Kalibrierdienst – DKD) was carried out. Two different travelling standards were used to measure the 10 % to 90 % rise time of a ...

5

Design of a 0.13 µm SiGe Limiting Amplifier with 14.6 THz Gain-Bandwidth-Product

Design of a 0.13 µm SiGe Limiting Amplifier with 14.6 THz Gain-Bandwidth-Product

... 56.6 dB low-frequency voltage gain and 21.5 GHz 3-dB bandwidth on a RLC-extracted post-layout ...the 3 dB bandwidth is less than ...lower bandwidth to prevent phase ...

7

Bandwidth and Gain Enhancement for Probe-Fed CP Microstrip Antenna by Loading with Parasitical Patches

Bandwidth and Gain Enhancement for Probe-Fed CP Microstrip Antenna by Loading with Parasitical Patches

... CP bandwidth and gain is presented in this ...(AR) bandwidth is broadened by loading with a circle of eight truncated square parasitical ...10 dB impedance bandwidth was increased from ...the ...

7

Application Research on Two Types of 8QAM OFDM Optical Access Signals

Application Research on Two Types of 8QAM OFDM Optical Access Signals

... In this paper, the downstream transmission performance of two types of 8QAM-OFDM optical sig- nals in broadband optical access system has been analyzed. After modulation and coding, two types of 10 Gbit/s 8QAM-OFDM ...

6

Targeting mitochondrial dynamics by regulating Mfn2 for therapeutic intervention in diabetic cardiomyopathy

Targeting mitochondrial dynamics by regulating Mfn2 for therapeutic intervention in diabetic cardiomyopathy

... the down-regulation of fusion-related protein Mfn2 in type 2 diabetic hearts of db/db ...significantly down-regulated in human skeletal muscle at both the mRNA and protein levels in type 2 ...

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A Wideband Circularly Polarized Slot-Loaded Dipole Antenna with L-Shaped Arms and Parasitic Patches

A Wideband Circularly Polarized Slot-Loaded Dipole Antenna with L-Shaped Arms and Parasitic Patches

... (AR) bandwidth limits its availability in wideband CP applications, especially for the single-fed CP microstrip antennas [3, ...AR bandwidth, many effective approaches have been demonstrated and ...

7

Design of 3rdOrder Coupled Line Bandpass Filter for Wireless Application using Agilent ADS

Design of 3rdOrder Coupled Line Bandpass Filter for Wireless Application using Agilent ADS

... The order of the filter was calculated assuming an equi-ripple (Chebyshev type1) response with an attenuation of 20dB at the center frequency of 5.85 Ghz andthe pass band ripple amplitude (G) of 0.5dB.Hence the upper and ...

6

Compact Planar Microstrip Crossover for Beamforming Networks

Compact Planar Microstrip Crossover for Beamforming Networks

... indication that the size of the crossover can be reduced significantly by using those slots if the resonant frequency is kept constant at 2.4 GHz. To give a physical insight into the effect of the utilized slots, the ...

10

Novel fast color-converter for visible light communication using a blend of conjugated polymers

Novel fast color-converter for visible light communication using a blend of conjugated polymers

... Abstract: Visible Light Communications (VLC) is a promising new technology which could offer higher data transmission rates than existing broadband RF/microwave wireless technologies. In this paper, we show that a blend ...

16

DC-link control filtering options for torque ripple reduction in low power wind turbines

DC-link control filtering options for torque ripple reduction in low power wind turbines

... S MALL-SCALE wind turbines (of approximately 10 kW) are becoming an attractive option for distributed genera- tion [1]. Wind Energy Conversion Systems (WECSs) may be installed on even a modest-size property. WECSs mainly ...

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