X-band ground-based radiometer-scatterometer measuring system

1998 ◽  
Author(s):  
Chuanliang Yao ◽  
Yinlong Zhao ◽  
Jun Zhang ◽  
Zhen-he Fang
Keyword(s):  
Measuring System ◽  
Title X ◽  
X Band

X-band ISAR imagery of scale-model tactical targets using a wide-bandwidth 350-GHz compact range

2004 ◽  
Author(s):  
Thomas M. Goyette ◽  
Jason C. Dickinson ◽  
William J. Gorveatt ◽  
Jerry Waldman ◽  
William E. Nixon
Keyword(s):  
Scale Model ◽  
Wide Bandwidth ◽  
Title X ◽  
Compact Range ◽  
X Band

scholarly journals X-band "peeled" HEMT amplifier

1992 ◽  
Author(s):  
Paul G. Young ◽  
Robert R. Romanofsky ◽  
Samuel A. Alterovitz ◽  
Edwyn D. Smith
Keyword(s):  
Title X ◽  
X Band

scholarly journals X-band klystron development at the Stanford Linear Accelerator Center

2000 ◽  
Author(s):  
Daryl Sprehn ◽  
George Caryotakis ◽  
Erik N. Jongewaard ◽  
Robert M. Phillips ◽  
A. Vlieks
Keyword(s):  
Linear Accelerator ◽  
Title X ◽  
Stanford Linear Accelerator ◽  
X Band ◽  
Stanford Linear Accelerator Center

X-band SPDT switch MMIC based on directional coupler key

2006 ◽  
Author(s):  
V. G. Mokerov ◽  
D. L. Gnatyuk ◽  
A. P. Lisitskii
Keyword(s):  
Directional Coupler ◽  
Title X ◽  
X Band

X-band radar signature characteristics for main battle tanks in operational environments

2002 ◽  
Author(s):  
Robert H. Giles ◽  
William T. Kersey ◽  
Andrew J. Gatesman ◽  
Michael J. Coulombe ◽  
M.Shane McFarlin ◽  
...  
Keyword(s):  
Title X ◽  
Radar Signature ◽  
X Band

High-voltage monitoring by the fiber-optic recirculating measuring system

2020 ◽  
pp. 38-44
Author(s):  
A. V. Polyakov ◽  
M. A. Ksenofontov
Keyword(s):  
Optical Fibers ◽  
High Voltage ◽  
Optical Sensors ◽  
Electromagnetic Interference ◽  
Fiber Optic ◽  
Electric Power Industry ◽  
Measuring System ◽  
Voltage Range ◽  
External Electromagnetic Fields ◽  
Optic Communication

Optical technologies for measuring electrical quantities attract great attention due to their unique properties and significant advantages over other technologies used in high-voltage electric power industry: the use of optical fibers ensures high stability of measuring equipment to electromagnetic interference and galvanic isolation of high-voltage sensors; external electromagnetic fields do not influence the data transmitted from optical sensors via fiber-optic communication lines; problems associated with ground loops are eliminated, there are no side electromagnetic radiation and crosstalk between the channels. The structure and operation principle of a quasi-distributed fiber-optic high-voltage monitoring system is presented. The sensitive element is a combination of a piezo-ceramic tube with an optical fiber wound around it. The device uses reverse transverse piezoelectric effect. The measurement principle is based on recording the change in the recirculation frequency under the applied voltage influence. When the measuring sections are arranged in ascending order of the measured effective voltages relative to the receiving-transmitting unit, a relative resolution of 0,3–0,45 % is achieved for the PZT-5H and 0,8–1,2 % for the PZT-4 in the voltage range 20–150 kV.

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