impulse modulation
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Author(s):  
Serhii Mykhalkiv

It was suggested to select the best adaptive method after proper comparative researches, for the extraction of informative vibration components of bearings. The description and drawbacks of empirical mode decomposition method were presented, and the properties of improved ensemble empirical mode decomposition method and complete ensemble empirical mode decomposition with adaptive noise method were highlighted. A simulated additive signal contained impulse, modulation components and two sinusoids. The extracted intrinsic mode functions were the decomposition results of the first two adaptive methods, which failed to separate impulse and modulation components. Meanwhile, the intrinsic mode functions of the third adaptive method had separately impulse and modulation components, and the method proved to be effective in the separation of the vibration components during the vibrodiagnostics of bearings and gearboxes of the industrial equipment.


2019 ◽  
Vol 1328 ◽  
pp. 012038
Author(s):  
A. M. Kadyrmetov ◽  
S.N. Sharifullin ◽  
V.N. Buhtoyarov ◽  
Ye.V. Snyatkov ◽  
A.S. Pustovalov

2013 ◽  
Vol 816-817 ◽  
pp. 407-409
Author(s):  
Yuan Liu

A fluorescent real-time detection technology parameters of the chlorophyll radiation LED method using with fluorescent MINIPAM based on impulse, modulation, is introduced. The using of programming power to provide a constant flow of the list of output, LED by a matrix as chlorophyll are fluorescent light. The using of apparatus in plant MINIPAM fluorescent light system II of the steady state Fs, a fluorescent light to the next largest fluorescent Fm',a combination of the environment, and tracking control system of measurement and comprehensive analysis of environmental factors to the real quantum efficiency, actual electronic transmission rate for parameters. MINIPAM fluorescent apparatus with the upper machine, and can be real time monitoring.


2008 ◽  
Vol 7 (9) ◽  
pp. 3285-3291 ◽  
Author(s):  
S. Erkucuk ◽  
Dong In Kim ◽  
Kyung Sup Kwak

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