Novel millimetre wave components for a W-band gyro-TWA

2012 ◽  
Author(s):  
A.W. Cross ◽  
W. He ◽  
C.R. Donaldson ◽  
L. Zhang ◽  
P. McElhinney ◽  
...  
Keyword(s):  
Millimetre Wave ◽  
W Band

W-band uni-travelling-carrier photodiode module for high-power photonic millimetre-wave generation

2002 ◽  
Vol 38 (22) ◽  
pp. 1376 ◽  
Author(s):  
H. Ito ◽  
T. Furuta ◽  
T. Ito ◽  
Y. Muramoto ◽  
K. Tsuzuki ◽  
...  
Keyword(s):  
High Power ◽  
Wave Generation ◽  
Millimetre Wave ◽  
W Band

scholarly journals Design of an Anechoic Chamber for W-Band and mmWave

Electronics ◽  
2020 ◽  
Vol 9 (5) ◽  
pp. 804
Author(s):  
Pedro Pinho ◽  
Hugo Santos ◽  
Henrique Salgado
Keyword(s):  
Electrical Properties ◽  
Anechoic Chamber ◽  
Physical Optics ◽  
Millimetre Wave ◽  
Open Waveguide ◽  
Uniform Theory Of Diffraction ◽  
W Band ◽  
Chamber Size

In this paper, we describe the design of an electrically large anechoic chamber for usage on millimetre-wave bands. Ansys Savant sotware was used to perform a simulation of the chamber, using physical optics coupled with uniform theory of diffraction (PO/UTD). Moreover, a method based on an open waveguide probe is described in this paper to obtain the electrical properties of the RF absorbers at millimetre-wave frequencies. Two different source antennas were simulated in this work and the corresponding quiet zones predicted. The largest quiet zone was 30 m m × 30 m m × 50 m m , for a chamber size of 1.2 m m × 0.6 m m × 0.6 m .

scholarly journals Design and Optimization of a Millimetre Wave Compact Folded Magic-T

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Guang Hua ◽  
Jiefu Zhang ◽  
Jiudong Wu ◽  
Wei Hong
Keyword(s):  
Particle Swarm Optimization ◽  
Return Loss ◽  
Pso Algorithm ◽  
Geometrical Parameters ◽  
Design Features ◽  
Swarm Optimization ◽  
Millimetre Wave ◽  
Design And Optimization ◽  
Centre Frequency ◽  
W Band

A millimetre wave-folded magic-T junction compensated with metal cone is designed using a particle swarm optimization (PSO) algorithm. An off-centred metallic frustum was used to enhance the bandwidth and a metallic post is used to compensate the mismatched E-arm. The geometrical parameters of the frustum and the post are optimized by PSO. The optimized magic-T for W-band application is designed and tested. The design features are simple in structure and easy to fabricate. The 2% bandwidth with centre frequency of 94 GHz and return loss less than −20 dB is achieved.

Development of a high-speed modulator for a W-band millimetre-wave imaging system

2009 ◽  
Author(s):  
Peng Yao ◽  
Christopher A. Schuetz ◽  
Shouyuan Shi ◽  
Julien Macario ◽  
Rownak Shireen ◽  
...  
Keyword(s):  
High Speed ◽  
Imaging System ◽  
Millimetre Wave ◽  
W Band ◽  
Wave Imaging

Optoelectronic generation of W-band millimetre-wave signals using Brillouin amplification

2010 ◽  
Vol 46 (21) ◽  
pp. 1449 ◽  
Author(s):  
B. Vidal ◽  
P.G. Huggard ◽  
B.N. Ellison ◽  
N.J. Gomes
Keyword(s):  
Millimetre Wave ◽  
W Band

High power millimetre wave pulse sensor for W-band

2007 ◽  
Vol 1 (3) ◽  
pp. 757 ◽  
Author(s):  
Ž. Kancleris ◽  
R. Simniškis ◽  
M. Dagys ◽  
V. Tamošiūnas
Keyword(s):  
High Power ◽  
Millimetre Wave ◽  
Wave Pulse ◽  
W Band ◽  
Pulse Sensor

Millimetre-wave and infrared spectroscopy of Br13 CN: anharmonic force field of cyanogen bromide from spectroscopic data and ab initio calculations

1997 ◽  
Vol 90 (3) ◽  
pp. 495-497
Author(s):  
CLAUDIO ESPOSTI ◽  
FILIPPO TAMASSIA ◽  
CRISTINA PUZZARINI ◽  
RICCARDO TARRONI ◽  
ZDENEK ZELINGER
Keyword(s):  
Infrared Spectroscopy ◽  
Force Field ◽  
Ab Initio Calculations ◽  
Ab Initio ◽  
Spectroscopic Data ◽  
Cyanogen Bromide ◽  
Millimetre Wave ◽  
Anharmonic Force
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