High Impedance Surface (HIS)
Simultaneous Switching Noise Mitigation Capability with Low Parasitic Effect Using Aperiodic High-Impedance Surface Structure
... Typical methods include the placement of the decoupling capacitors between the power and ground planes [4, 5]. These techniques centered on adding the decoupling capacitance to create a low impedance path at ...
10
Directional Dual-Band Slot Antenna with Dual-Bandgap High-Impedance-Surface Reflector
... In recent decades, there has been a remarkable growth in interest in EBG antennas structures applied to microwave circuits and antennas. A novel EBG structure was employed in microwave filters to suppress passband ripple ...
11
Compact High impedance surface antenna for IEEE S band communication
... introduced High Impedance Surface (HIS) structure for the first time as an appropriate alternative to achieve low profile and improved gain antenna 1 ...of high impedance ground plane ...
8
Optimum High Impedance Surface Configuration for Mutual Coupling Reduction in Small Antenna Arrays
... layered High Impedance Surface structure will be used inspired from [14], although further improvements in terms of size and cost can be achieved ...
15
Co axial Feed Rectangular Patch Antenna over High Impedance Surface
... HIS( High Impedance Surface) as reflecting ground plane insisted of optically planar ground ...the surface waves, next it will reflects the waves in ...
6
Optimization of characteristics of Dipole antenna with high impedance surface at 2.4 GHz
... of high impedance surface near dipole antenna at 2.4GHz. High impedance surface is special structure to suppress surface waves of dipole ...of high impedance ...
7
Radar Cross Section Reduction Property of High Impedance Surface on a Lossy Dielectric
... Abstract—A detailed study on the performance of a high impedance surface on lossy dielectric is presented in this paper. It is observed that the structure, which is an array of square loops on a ...
10
A Varactor-Tunable High Impedance Surface for Active Metamaterial Absorber
... Abstract—One varactor-tunable High Impedance Surface (HIS) is proposed and used in design of an active metamaterial absorber. The proposed HIS structure is based on mushroom-type HIS, in which ...
8
Controlling the Frequency of Simultaneous Switching Noise Suppression by Using Embedded Dielectric Resonators in High-Impedance Surface Structure
... for high-impedance surface (HIS) embedded dielectric resonator (DR) structures to efficiently control bandwidth of suppression simultaneous switching noise (SSN) in high speed digital printed ...
10
Dual-Band Low Profile Directional Antenna with High Impedance Surface Reflector
... dual-band high impedance surface (HIS) electromagnetic band-gap (EBG) structure is designed as a reflector for a dual-band coplanar waveguide (CPW)-fed planar monopole ...
9
A Tunable High Impedance Surface and its Application to Dual-Band Microstrip Antenna
... Abstract—This paper presents a simple method of tuning the AMC band of a high-impedance surface. The tunability is obtained with only two varactor diodes and a simple bias-network. The proposed ...
16
Title: Hexagonal Shaped Body Wearable Textile Antenna on EBG Substrate Material
... backward radiations may be harmful to our body tissues. When backward radiating waves incident to the body tissue it increase the normal body temperature which may cause damage to the body organs. Hence EBG substrate ...
7
Design and Development of a Novel EBG Cell
... (PBG), high impedance surface (HIS), metamaterial (MTMs) or electromagnetic crystals ...of surface wave in a particular frequency band is exploited for various applications by embedding the ...
10
Evaluating the Electromagnetic Surface Wave of High Impedance Structures by Monopole Antenna and Application for Patch Antennas at Q Band
... the surface of a High Impedance Surface (HIS) structure using a monopole antenna working at Q ...the surface of the structure within and outside the bandgap is observed and ...
6
A RFID Tag Metal Antenna on a Compact HIS Substrate
... The high impedance surface (HIS) operated as a kind of artificial electromagnetic material functions as a perfect magnetic conductor with in-phase reflection and high impedance state ...
9
An Embedded Isolation Moat Structures with Wide Stopband and Low Parasitic Effect for Elimination Simultaneous Switching Noise
... Our design was realized by combining two isolation moats, which were embeddedbetween power andgroundplanes. Each moat andground plane is connectedwith via to form high-impedance surface structure. ...
8
A Stacked Ring-Patch Artificial Substrate to Improve the Antenna Performance
... their surface wave suppression characteristics are not demonstrated [5, ...for surface wave suppression, but the surface wave suppression band is at higher frequency for given dimension than via ...
13
Effect of Surface Impedance on Radiation Fields of Spherical Antennas
... calculate the surface impedance of the metamaterial LR-5I [13]. This metamaterial was developed to provide resonant absorption of electromagnetic waves in the vicinity of the frequency f ≈ 2.8 GHz. The ...
7
Suitable Impedance Boundary Condition Applied to the Enhancement of the Electric Field Radiated by a High Frequency Surface Wave Radar
... curved surface but still assuming a ground with a large ...General Impedance Boundary Condition (GIBC) to model a dielectric medium which can propagate more than one surface wave as, for example, a ...
12
Frequency agile RF/microwave circuits using BST varactors
... of high power operation due to their large area and higher bias voltage ...the high growth temperatures of BST, and maintain good adhesion during the subsequent ...
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