ultra-high-frequency band
3. Implementation and Effect of Long Range RFID Technology at Ultra High Frequency Band in Bus Detection System for Blind People
... This system is more efficient compared to other previous system because the detection of tag from a reader is very fast and long range. The reader could detect the tag up to 10 meters long. This means if the bus can be ...
8
A Compact Dual-Metal-Plane Highpass Filter Using Hybrid Microstrip/DGS
... desired high-pass frequency band, and is composed of a modified U-shaped slot resonator embedded with an L-shaped ...an ultra-wide highpass ...cutoff frequency (f c ) of ...
6
Design Of Compact Ultra Wide Band (Uwb) Antenna Using Different Feeding Methods For Various Wireless Applications
... wide band antennas to satisfy high gain and large bandwidth covering all frequency ranges for these ...proposed ultra wide band antenna is going to be designed by introducing radiating ...
6
ULTRA HIGH FREQUENCY BREAST ULTRASOUND: PRELIMINARY RESULTS
... with ultra high frequency ultrasound is necessary to analyze the normal ultrasonographic findings in the field of ...The ultra high frequency probes clearly ultra ...
9
Analysis of Wide Band Scattering from Objects Using the Adaptive Improved Ultra-Wide Band Characteristic Basis Functions
... an ultra-wide band CBFM (UCBFM) is proposed to analyze the wide-band electromagnetic scattering problems without having the requirement to repeatedly construct the CBFs at each ...highest ...
7
Solution for Wide Band Scattering Problems by Using the Improved Ultra-Wide Band Characteristic Basis Function Method
... a frequency range from ...the high efficiency of the IUCBFs construction, the error convergence curve of UCBFs and IUCBFs with the number of PWs used in the computation is shown in ...(101 frequency ...
7
Antenna Design for Ultra Wide Band Communications and Frequency Selective Surfaces
... narrow band and typically operate around a center fre- ...using frequency domain techniques. Since a very narrow band is considered, a sine or a cosine signal remains essentially unchanged in shape ...
85
Reconfigurable Antenna for RFID Reader and Notched UWB Applications Using Dto Algorithm
... profile, high radiation efficiency, ease of manufacturing and low fabrication ...of ultra-high frequency and microwave RFID frequency bands has their own advantages, therefore, the urge ...
10
Multiple Input Multiple Output Antenna Design
... (orthogonal frequency division multiplexing) and UWB (ultra- wide band) are the most developed technologies in present day mobile ...a high – rate serial data stream is divided into two low – ...
10
Connected Vehicle : Solution and State of the art and Future Challenge Soniya S. Agrawal, Vijay S. Gulhane
... Ultra-Wideband: Ultra-wideband (UWB) refers to radio technology that operates in the ...GHz frequency band and can support short range communications at a data rate up to 480 Mbps and at a ...
7
Design and analysis of Defected Ground Structure based circular patch Ultra Wide Band antenna for high frequency applications
... antenna with slanted edge ground plane. The simulated results of proposed antenna show that it operates in the frequency range of 3.1 GHz to 20 GHz with good performance in terms of return loss, VSWR and radiation ...
8
Development of quad-riged horn antenna for UWB communications
... the ultra-wideband communication systems in particular have been progressed to achieve the high performances such as high gain, wide band and dual polarization ...operation frequency ...
24
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
Infrared Plasmonic Refractive Index Sensor with Ultra High Figure of Merit Based on the Optimized All Metal Grating
... In this paper, we demonstrate a simple perfect infrared plasmonic metamaterial absorber based on the all-metal- grating structure [36–39]. Its absorption efficiency is over 98% at normal incidence. Operated as a ...
6
Ultra-Wideband Small Square Monopole Antenna with Variable Frequency Band-Notch Function
... notched band central frequency is affected by using various slots in the radiating patch, therefore by using W- shaped slot the notch function in WLAN band can be obtained with a small size antenna, ...
12
Design of Radio-Frequency Arrays for Ultra-High Field MRI
... coupling between adjacent resonant loops by overlapping the adjacent loops. When the overlap in loops approaches roughly ~ 15% of their total area, the EMF induced in either loop is cancelled by the voltage present in ...
186
MICROSTRIP W-SHAPE UWB ANTENNA FOR WLAN APPLICATION
... communication system has increased considerably in Last seven years. Because the UWB technology has great potential in the development of various modern wireless communication systems, the U.S Federal Communication ...
7
A Slim Wideband and Conformal UHF RFID Tag Antenna Based on U-Shaped Slots for Metallic Objects
... In order to weaken the interference from metallic objects and to meet the conformal requirements between the tag antenna and the objects, a tag antenna in structure including a ground plane can be viewed, and the ...
11
Power spectral density analysis of physiological, rest and action tremor in Parkinson’s disease patients treated with deep brain stimulation
... and high (7.5-15 Hz) frequency band showed two consistent ...tremor band, and a pattern corresponding to tremor absence, with most power contained in the low frequency band ...
11
An L-Band Bandpass Filter with Narrow Bandwidth and Miniature Based on LTCC Technology
... a high frequency circuit, filter is often used to select signals within a specific frequency band, and at the same time, it has certain rejection on the out-of-band spurious ...have ...
10