scholarly journals Portable Pulse Meter with Simple Design

2021 ◽  
Vol 33 (11) ◽  
pp. 4077
Author(s):  
Tian-Syung Lan ◽  
Yan Jiao ◽  
Xuan-Jun Dai ◽  
Ho-Sheng Chen ◽  
Zhingqing Yang
Keyword(s):  
Simple Design

Effect of Varied Probe Length on the Resonant Frequency of a Circular Cross-Sectional Cavity

2005 ◽  
Vol 2 (2) ◽  
pp. 79
Author(s):  
Mohd Khairul Mohd Salleh ◽  
Mohamad Syukri Suhaili ◽  
Zuhani Ismail ◽  
Zaiki Awang
Keyword(s):  
Resonant Frequency ◽  
Cavity Resonator ◽  
Simple Design ◽  
Cross Sectional ◽  
Probe Length ◽  
Mode Wave ◽  
The One

A simple design of a metallic circular cross-sectional air-filled cavity is presented. Two probes of varied lengths are used to excite TE112-mode wave into the cavity to give a resonant frequency of 5.86 GHz. The experiments show that the resonant frequency of the cavity resonator decreases as the lengths of the probes are increased. The shortest probe in the range of study gives the closest resonant frequency to the one desired.

scholarly journals Simple design of efficient broadband multifunctional polarization converter for X-band applications

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Thi Kim Thu Nguyen ◽  
Thi Minh Nguyen ◽  
Hong Quang Nguyen ◽  
Thanh Nghia Cao ◽  
Dac Tuyen Le ◽  
...  
Keyword(s):  
Circular Polarization ◽  
Incident Angle ◽  
Polarization Conversion ◽  
Simple Design ◽  
Cross Polarization ◽  
Polarization Converter ◽  
Frequency Bands ◽  
X Band ◽  
Cost Efficient ◽  
Patch Resonators

AbstractA simple design of a broadband multifunctional polarization converter using an anisotropic metasurface for X-band application is proposed. The proposed polarization converter consists of a periodic array of the two-corner-cut square patch resonators based on the FR-4 substrate that achieves both cross-polarization and linear-to-circular polarization conversions. The simulated results show that the polarization converter displays the linear cross-polarization conversion in the frequency range from 8 to 12 GHz with the polarization conversion efficiency above 90%. The efficiency is kept higher than 80% with wide incident angle up to 45°. Moreover, the proposed design achieves the linear-to-circular polarization conversion at two frequency bands of 7.42–7.6 GHz and 13–13.56 GHz. A prototype of the proposed polarization converter is fabricated and measured, showing a good agreement between the measured and simulated results. The proposed polarization converter exhibits excellent performances such as simple structure, multifunctional property, and large cost-efficient bandwidth and wide incident angle insensitivity in the linear cross polarization conversion, which can be useful for X-band applications. Furthermore, this structure can be extended to design broadband polarization converters in other frequency bands.

scholarly journals Simple Design of Electronics Engine Management for Motorcycle

2020 ◽  
Vol 1700 ◽  
pp. 012074
Author(s):  
Sutiman ◽  
I W Adiyasa ◽  
A Prayoga ◽  
A G Irfak ◽  
R S Ardiyan
Keyword(s):  
Simple Design ◽  
Engine Management

Simple design of a wideband and wide-angle reflective linear polarization converter based on crescent-shaped metamaterial for Ku-band applications

2021 ◽  
Vol 486 ◽  
pp. 126773
Author(s):  
Thi Quynh Hoa Nguyen ◽  
Thi Kim Thu Nguyen ◽  
Thi Quynh Mai Nguyen ◽  
Thanh Nghia Cao ◽  
Huu Lam Phan ◽  
...  
Keyword(s):  
Linear Polarization ◽  
Wide Angle ◽  
Simple Design ◽  
Polarization Converter ◽  
Ku Band

A Simple Design Approach for Excitation Controller and Power System Stabilizer

2010 ◽  
Author(s):  
G. Fusco ◽  
M. Russo
Keyword(s):  
Power System ◽  
Transient Stability ◽  
Short Circuit ◽  
Design Procedure ◽  
Voltage Regulation ◽  
Operating Conditions ◽  
Power System Stabilizer ◽  
Simple Design ◽  
Wide Range ◽  
System Stabilizer

This paper proposes a simple design procedure to solve the problem of controlling generator transient stability following large disturbances in power systems. A state-feedback excitation controller and power system stabilizer are designed to guarantee robustness against uncertainty in the system parameters. These controllers ensure satisfactory swing damping and quick decay of the voltage regulation error over a wide range of operating conditions. The controller performance is evaluated in a case study in which a three-phase short-circuit fault near the generator terminals in a four-bus power system is simulated.

Solar-pumped TEM00 mode laser simple design with a grooved Nd:YAG rod

Solar Energy ◽  
2015 ◽  
Vol 122 ◽  
pp. 1325-1333 ◽  
Author(s):  
Cláudia R. Vistas ◽  
Dawei Liang ◽  
Joana Almeida
Keyword(s):  
Simple Design ◽  
Mode Laser ◽  
Tem00 Mode

A Simple Design of a Multi-Band Terahertz Metamaterial Absorber Based on Periodic Square Metallic Layer with T-Shaped Gap

Plasmonics ◽  
2017 ◽  
Vol 13 (1) ◽  
pp. 269-274 ◽  
Author(s):  
Hai-Yu Meng ◽  
Ling-Ling Wang ◽  
Xiang Zhai ◽  
Gui-Dong Liu ◽  
Sheng-Xuan Xia
Keyword(s):  
Metamaterial Absorber ◽  
Metallic Layer ◽  
Simple Design ◽  
Multi Band

VariableZ0antenna technology: a new approach for IoT wireless

2014 ◽  
Vol 7 (2) ◽  
pp. 195-203 ◽  
Author(s):  
Richard A. Formato
Keyword(s):  
Internet Of Things ◽  
Degree Of Freedom ◽  
The Internet ◽  
Simple Design ◽  
Wireless Devices ◽  
Decision Space ◽  
New Approach ◽  
Optimization Methodology ◽  
The Internet Of Things

Variable Z0(VZ0) antenna technology is a new design or optimization methodology applicable to any antenna on any platform designed or optimized with any procedure. It should be particularly useful for wireless devices populating the Internet of Things. VZ0expands the design or decision space by adding another degree of freedom invariably leading to better antennas. A simple design example illustrates its effectiveness.

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