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Radiation Characteristics

Research on Millimeter-Wave Radiation Characteristics of Solid Target

Research on Millimeter-Wave Radiation Characteristics of Solid Target

... MMW radiation characteristics are affected by many complicated factors in the actual background, modeling and analysis of MMW radiation characteristics of simple solid targets only are ...

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A Compact High-Gain Vivaldi Antenna with Improved Radiation Characteristics

A Compact High-Gain Vivaldi Antenna with Improved Radiation Characteristics

... Vivaldi antenna, a broadband antenna that was originally introduced by Gibson in 1979, not only satisfies the requirement of UWB, but also has a planar structure, low profile and high efficiency in contrast to other UWB ...

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Analysis of Infrared Radiation Characteristics and Penetration Measures of Warhead

Analysis of Infrared Radiation Characteristics and Penetration Measures of Warhead

... DOI: 10.4236/jcc.2018.611016 164 Journal of Computer and Communications It can be seen that the heating effect of the external heat source is not only re- lated to the surface structure and thermos-physical properties of ...

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Aspect Ratio: A Major Controlling Factor of Radiation Characteristics of Microstrip Antenna

Aspect Ratio: A Major Controlling Factor of Radiation Characteristics of Microstrip Antenna

... overall radiation characteristics of a rectangular microstrip patch antenna is theoretically investigated with a view to develop a concrete physical insight in to the ...polarized radiation ...

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Comparing Radiation Characteristics of Fractal Arrays with Random and Periodic Arrays

Comparing Radiation Characteristics of Fractal Arrays with Random and Periodic Arrays

... performance characteristics, physical design constraints and radiation ...antenna radiation characteristics can be improved by the choice of fractal geometry of Sierpinski gasket over random ...

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Radiation Characteristics of Rectangular Microstrip Antenna in Weakly Ionized Plasma Medium

Radiation Characteristics of Rectangular Microstrip Antenna in Weakly Ionized Plasma Medium

... With the advancement of communication engineering the technique of microstrip antennas has been used widely in microwave circuit elements such as transmission line, filter, resonator etc. Recently considerable interest ...

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Effect of Metal and Magnetic Slab on Radiation Characteristics of  Monopole Antenna

Effect of Metal and Magnetic Slab on Radiation Characteristics of Monopole Antenna

... reconfigurable radiation pattern and frequency was demonstrated in ...loss, radiation pattern and gain of monopole ...of radiation characteristics due to the presence of two slabs placed at ...

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Effect of Partial Ground Plane Removal on the Radiation Characteristics of a Microstrip Antenna

Effect of Partial Ground Plane Removal on the Radiation Characteristics of a Microstrip Antenna

... We have investigated the effects of partial metallic ground plane removal on the radiation characteristics of a MSA. The partial ground plane removal method has been shown to improve the F/B ratio of the ...

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Analysis of Vibration and Sound Radiation Characteristics of Resilient Wheel in Metro

Analysis of Vibration and Sound Radiation Characteristics of Resilient Wheel in Metro

... Abstract: The wheel of vehicles is not pure rolling on the rail for the track irregularity, but with a small vertical and horizontal relative displacement. The relative displacement produces the wheel rail force and ...

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Compressive Sensing Reconstruction of Wideband Antenna Radiation Characteristics

Compressive Sensing Reconstruction of Wideband Antenna Radiation Characteristics

... the radiation pattern is reconstructed one frequency at a time, meaning that each row of the angle- frequency calculation matrix is reconstructed ...The radiation and the frequency dimensions of the RFP can ...

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Electrical and radiation characteristics of semilarge photoconductive terahertz emitters

Electrical and radiation characteristics of semilarge photoconductive terahertz emitters

... spectral characteristics are less dependent upon the emitter geometry, and unlike as in large-gap sources, high terahertz powers can be produced using unamplified mode-locked femtosecond ...

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Theoretical Study of Radiation Characteristics of Short Dipole Antenna

Theoretical Study of Radiation Characteristics of Short Dipole Antenna

... The current distribution is an important parameter which defines the radiation properties of the antenna. Thus for analysis purpose, we consider a simple current model approximated by a triangular distribution ...

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Wavelet Network Modeling Method Based on Radiation Characteristics of Array Antenna

Wavelet Network Modeling Method Based on Radiation Characteristics of Array Antenna

... In order to solve this problem, we decide to use the algorithm that proposed in the document[6]. This algorithm is based on sampling theories and makes full use of the frequency characteristics of wavelet network. ...

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Integrated Dtv Antenna for Portable Media Player Application

Integrated Dtv Antenna for Portable Media Player Application

... Detailed characteristics of the two excited resonant modes have been studied, and good radiation characteristics of the proposed antenna for frequencies over the whole DTV band have also been ...

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Design of Band-Notched Monopole Antenna with Semi-Ring Slot for Ultra-Wideband and 2.4 GHz WLAN Applications

Design of Band-Notched Monopole Antenna with Semi-Ring Slot for Ultra-Wideband and 2.4 GHz WLAN Applications

... omni-directional radiation characteristics in X-Y plane and slightly bidirectional radiation characteristics in Y-Z plane and the gain is remained stable at entire UWB band ...

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ENERGY AWARE GRID RESOURCE ALLOCATION BY USING A NOVEL NEGOTIATION MODEL

ENERGY AWARE GRID RESOURCE ALLOCATION BY USING A NOVEL NEGOTIATION MODEL

... In wireless communication system, antenna plays as an important component for radiating and receiving the radio waves, where at transmission end and receiving end, respectively. Particularly, the microstrip antennas, ...

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Multilayer Notch Loaded Antenna with Superstrate Layer of 90 Deg Tilted Elements for Wireless Communications

Multilayer Notch Loaded Antenna with Superstrate Layer of 90 Deg Tilted Elements for Wireless Communications

... Therefore, from the obtained results it is clear that the proposed multilayer notch-loaded disk patch antenna shows dual-band characteristics with good radiation characteristics. The antenna ...

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The Effect of Gamma Radiation on Plant Morphological Characteristics of Zingiber officinale Roscoe

The Effect of Gamma Radiation on Plant Morphological Characteristics of Zingiber officinale Roscoe

... Tanjung Sepat cultivar showed better growth performance than Bentong cultivar regarding plant height. Irradiated plants showed the average plant height was in the range of 87.0cm to 89.0 cm while the tall mutants were in ...

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Level of perception of technical terms regarding the effect of radiation on the human body by residents of Japan

Level of perception of technical terms regarding the effect of radiation on the human body by residents of Japan

... Village after the accident at the Fukushima Daiichi Nuclear Power Plant. The radio-cesium concentrations of them were calculated to be committed effective doses. How- ever, Nakashima et al. mentioned that the committed ...

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The shape of chiropractic in Europe: a cross sectional survey of chiropractor’s beliefs and practice

The shape of chiropractic in Europe: a cross sectional survey of chiropractor’s beliefs and practice

... practice characteristics, reporting more than 100 patient visits weekly, not performing differential diagnosis and pro- viding routine x-rays for more than 20% of new pa- tients predicted membership of the ...

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