scholarly journals Libera Brilliance Test with Beam Signal

2018 ◽  
Author(s):  
Om Singh ◽  
I. Pinayev ◽  
G. Decker ◽  
A. Dellapenna
Keyword(s):  
Author(s):  
Anastasios Kakkavas ◽  
Gonzalo Seco-Granados ◽  
Henk Wymeersch ◽  
Mario H. Castaneda Garcia ◽  
Richard A. Stirling-Gallacher ◽  
...  
Keyword(s):  

1988 ◽  
Vol 42 (3) ◽  
pp. 468-472 ◽  
Author(s):  
D. D. Archibald ◽  
L. T. Lin ◽  
D. E. Honigs

A Fourier transform (FT) spectrometer was configured to measure near-infrared (near-IR) transmission spectra using 80 meters of a 206-μm optical fiber. The single-beam signal-to-noise ratio (S/N) was evaluated for the remote-sensing spectrometer for both Ge and InSb detectors. The instrumental performance was compared with that of the conventional FT spectrometer. The optical attenuation of several different fibers was measured and their possible use as transmission sensors was evaluated. Some advantages and implications of combining an FT spectrometer with optical-fiber sensor measurements are discussed.


2014 ◽  
Vol 687-691 ◽  
pp. 77-80
Author(s):  
Xiao Yan Cong ◽  
Zeng Cai Wang ◽  
Xian De Ma

Accurate vibration signals are important for signal analysis in the method of analysis vibration of hydraulic support tail beam. Signal acquisition position needs multiple comparison and optimization on site. Natural characteristics analysis of the hydraulic support tail beam can offer theoretical guidance to optimize sensor installation position. In this paper, impulse hammer excitation was used to analyze the inherent property of the hydraulic support tail beam which provided useful information for setting the signal pick-up place.


2013 ◽  
Vol 333-335 ◽  
pp. 584-587
Author(s):  
Yong Yang ◽  
Yong Bing Leng ◽  
Ying Bing Yan

Beam signal stretch is significant for bunch-by-bunch position measurement on storage ring in SSRF. This paper deduced a new expression to get beam position according to the relationship between BPM signals and beam position. The simulation has been done to stretch the BPM signal using square processing with matlab/simulink tool. The comparison is given between square process and original difference over sum method(Δ/Σ) using data acquired by oscilloscope and off-line processing.


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