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ultra-high-frequency antenna

Microstrip Patch Antenna for RFID Handheld Reader Applications- A ReviewCharu Sharma, Ritu Gupta

Microstrip Patch Antenna for RFID Handheld Reader Applications- A ReviewCharu Sharma, Ritu Gupta

... microstrip antenna has been presented for Ultra High Frequency Radio Frequency Identification handheld reader ...The antenna is designed with IE3D ...resonant frequency of ...

5

A concept for wildlife tracking using ultra high frequency (UHF) radio

A concept for wildlife tracking using ultra high frequency (UHF) radio

... An array antennas can be used to increase directivity. The arrays we examined had all elements active, requiring a direct connection to each element by a feed network [13]. Array feed networks are considerably simplified ...

37

Design and analysis of Defected Ground 
		Structure based circular patch Ultra Wide Band antenna for high 
		frequency applications

Design and analysis of Defected Ground Structure based circular patch Ultra Wide Band antenna for high frequency applications

... the return loss graph touches the - 10dB points. The corresponding radiation patterns at various resonating frequencies are shown in Figure-3. The range of operating frequency is from 3.37 GHz to 14.04 GHz and is ...

8

A Compact Universal Antenna Design for UHF RFID Handheld Reader

A Compact Universal Antenna Design for UHF RFID Handheld Reader

... slot antenna for universal ultra high frequency (UHF) RF identification (RFID) handheld reader applications is proposed, fabricated, and ...The antenna is coplanar waveguide (CPW) fed by ...

11

A Miniaturized 878 MHz
 Slotted Meander Line Monopole Antenna for Ultra High Frequency Applications

A Miniaturized 878 MHz Slotted Meander Line Monopole Antenna for Ultra High Frequency Applications

... monopole antenna for low frequency applications of 878 MHz is ...line antenna backed by a defected partial ground ...operating frequency of the conventional printed monopole antenna is ...

6

Reconfigurable Antenna for RFID Reader and Notched UWB Applications Using Dto Algorithm

Reconfigurable Antenna for RFID Reader and Notched UWB Applications Using Dto Algorithm

... reconfigurable antenna is one of the most suitable antennas for various RFID ...profile, high radiation efficiency, ease of manufacturing and low fabrication ...of ultra-high frequency ...

10

Ultra Wide Bandwidth High Gain Vivaldi Antenna for Wireless Communications

Ultra Wide Bandwidth High Gain Vivaldi Antenna for Wireless Communications

... and ultra-wideband (UWB) communication systems use ultra-wideband antennas, which have compact size and high ...and high gain are a suitable choice, which have advantages of compact size, wide ...

7

Ultra Wideband Coplanar Waveguide Antenna with an Improved Gain using a Frequency Selective Surfaces (FSS)

Ultra Wideband Coplanar Waveguide Antenna with an Improved Gain using a Frequency Selective Surfaces (FSS)

... for high gain antennas for high frequency and high-speed data communications with low power consumption and interference mitigation ...fed Ultra wideband antennas are characterized by ...

5

Design of a rectangular Patch AntennaAmandeep Bath, Abhishek Thakur, Jitender Sharma, Prof. Basudeo Prasad

Design of a rectangular Patch AntennaAmandeep Bath, Abhishek Thakur, Jitender Sharma, Prof. Basudeo Prasad

... 1) Ultra-wide band antennas have already been used in applications such as satellite communication, remote sensing, ultra wide band radar technology and so ...the antenna for an AP not only requires ...

6

Feed line calculations of microstrip antenna

Feed line calculations of microstrip antenna

... as frequency, radiation pattern, polarization are reconfigured to achieve the demands for agile radio ...on frequency reconfiguration as future communication systems such as cognitive radio needs an ...

9

A Constant Gain Ultra-Wideband Antenna with a Multi-Layer Frequency Selective Surface

A Constant Gain Ultra-Wideband Antenna with a Multi-Layer Frequency Selective Surface

... Ultra-wideband (UWB) technology shows great potential in commu- nication systems, impulse radio, and consumer electronic products. The extended bandwidth of UWB is also used for microwave imaging and examples ...

7

Antenna Design for Ultra Wide Band Communications and Frequency Selective Surfaces

Antenna Design for Ultra Wide Band Communications and Frequency Selective Surfaces

... using frequency domain ...ideal antenna acts as a differentiator and produces a field which has the same waveform as the second derivative of the input ...an antenna acts as a high pass ...

85

Embeddable Miniature UHF RFID Near-Field Antenna for Healthcare Applications

Embeddable Miniature UHF RFID Near-Field Antenna for Healthcare Applications

... Radio Frequency Identification (RFID) is a type of Automatic Identification and Data Capture (AIDC) technology that uses electromagnetic fields to identify and track tags that are attached to objects ...their ...

9

Multiple-Arm Dipoles Reader Antenna for UHF RFID Near-Field Applications

Multiple-Arm Dipoles Reader Antenna for UHF RFID Near-Field Applications

... Radio frequency identification (RFID) technologies based on magnetic coupling for ultra-high frequency (UHF) operations have been developed rapidly in the near-field item-tracking applications ...

7

Dual-Band UHF RFID Tag Antenna Using Two Eccentric Circular Rings

Dual-Band UHF RFID Tag Antenna Using Two Eccentric Circular Rings

... four frequency bands are used for RFID systems; i.e., low frequency (125–134 kHz), high frequency ...MHz), ultra-high frequency (860–960 MHz) and microwave ...

10

Design of Radio-Frequency Arrays for Ultra-High Field MRI

Design of Radio-Frequency Arrays for Ultra-High Field MRI

... other potential conductor unit cell geometries to be used that better conform to the RF array requirements and also invites different placement strategies of MW unit cells to further optimize the decoupling effect. With ...

186

A Slotted Circular Monopole Antenna for Wireless Applications

A Slotted Circular Monopole Antenna for Wireless Applications

... design antenna with compact size, wide bandwidth, and low ...monopole antenna presented in [1] has cross slotted shaped slot with tapered shaped microstrip to achieve broadband ...

5

A Survey on Recent Approaches in the Design of Band Notching UWB Antennas

A Survey on Recent Approaches in the Design of Band Notching UWB Antennas

... Despite the fact that using fractal geometries makes the design and fabrication process more complicated, but it gives the designer a series of handful attributes. Frac- tals are generally non Euclidean geometries and ...

8

ultra-high frequency trading in a Limit Order Book Market

ultra-high frequency trading in a Limit Order Book Market

... Analyzing about 6 years of tick by tick data, we find that the bid-ask spread in a pure limit order book market contains a risk component associated with managing the time to trade, an[r] ...

37

Study and Design of a Circular Shaped CPW fed Broadband Fractal Antenna for UWB Application

Study and Design of a Circular Shaped CPW fed Broadband Fractal Antenna for UWB Application

... size antenna which consists of broadband features and this demand has increased due to the ultra wide band frequency range and that is between ...of ultra wide band products due to the ...

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