Results 21 to 30 of about 2,690,016 (359)

Design and build a digital TV receiver double biquad antenna for the Greater Malang region and its surroundings

open access: yesJurnal Jaringan Telekomunikasi, 2022
Many types of antennas can be used for digital TV receivers; in this article we try to design a double biquad antenna. This is due to a simple form, easy to make, a wide beamwidth.
Waluyo Waluyo   +2 more
doaj   +1 more source

Bow-Tie Microstrip Antenna Design [PDF]

open access: yes, 2005
In this paper, the bow-tie microstrip antennas have been designed with two different angles of 40° and 80°. An investigaton on the effect of the angle to the return loss and radiation patterns had been carried out.
Abdul Aziz, M. Z. A.   +2 more
core   +1 more source

A slot-loaded reduced-size CPW-fed aperture antenna for UWB applications [PDF]

open access: yes, 2013
The paper presents a co-planar wave guide (CPW)-fed slot loaded low return loss planar printed antenna with a small size designed for wireless communication and UWB applications.
Mahdawi, Meftah   +3 more
core   +2 more sources

Optimization of a T-Shaped MIMO Antenna for Reduction of EMI

open access: yesApplied Sciences, 2020
In this paper, optimization of a miniaturized multiple-inputs multiple-outputs (MIMO) antenna was performed. This antenna was composed of a T-shape radiating element with stub and reduced ground plane and a compact size of 25 mm × 25 mm × 1.6 mm.
Dipesh Kapoor   +4 more
doaj   +1 more source

Manganese and Zinc Spinel Ferrites Blended with Multi-Walled Carbon Nanotubes as Microwave Absorbing Materials

open access: yesAerospace, 2017
Magnetic and dielectric materials can be blended to enhance absorption properties at microwave frequencies, although the materials may have relatively weak attenuation capabilities by themselves.
Ahmet Teber   +7 more
doaj   +1 more source

The maximum dimensions of the computer room for small corporate DC [PDF]

open access: yesE3S Web of Conferences, 2023
The maximum dimensional sizes of the computer room as a key architectural component of a data center have been justified, organized within various organizations of the construction industry.
Borisovich Semenov Andrey
doaj   +1 more source

A Novel Evaluation Method For Particle Deposition Measurement

open access: yesOpen Physics, 2019
Normal operation of gas turbines will be affected by deposition on turbine blades from particles mixed in fuels. This research shows that it is difficult to monitor the mass of the particles deposition on the wall surface in real time.
Song Tao   +4 more
doaj   +1 more source

Corrosion Detection of Transmission and Transformation Reinforced Concrete Based on Microwave Reflection Method

open access: yesZhejiang dianli, 2022
In view of the corrosion of reinforced concrete structure for power transmission and transformation, a corrosion detection method based on microwave reflection method is proposed.
WANG Xujie   +5 more
doaj   +1 more source

Design of 230 GHz fixed attenuator based on LCT telescope receiver

open access: yes上海师范大学学报. 自然科学版, 2023
In this paper, based on the principle of absorption attenuators, circular and Lance-shaped fixed attenuators are designed and simulated respectively. They can achieve 10dB and 20dB attenuation in the frequency range of 200-260 GHz, and their attenuation ...
YUAN Zhongyu   +4 more
doaj   +1 more source

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