scholarly journals Polynomial Ensembles and Pólya Frequency Functions

2020 ◽  
Author(s):  
Yanik-Pascal Förster ◽  
Mario Kieburg ◽  
Holger Kösters
Keyword(s):  
Frequency Functions

SURFACE IRREGULARITIES AS A COMPLEX SIGNAL OF TOOL REPRESENTATION TOGETHER WITH UNEVEN DISPLACEMENT IN RESPECT TO THE WORKPIECE

2014 ◽  
Vol 21 (1) ◽  
pp. 133-144 ◽  
Author(s):  
Adam Boryczko ◽  
Wojciech Rytlewski
Keyword(s):  
Machining Process ◽  
Surface Irregularity ◽  
Complex Signal ◽  
Complex Phenomenon ◽  
Tool Profile ◽  
Surface Irregularities ◽  
The Individual ◽  
Frequency Functions

Abstract In a dynamic machining process, distortion in surface irregularity is a very complex phenomenon. Surface irregularities form a periodic representation of the tool profile with various kinds of disturbance in a broad range of changes in the height and length of the profile. To discern these irregularity disturbances, interactions of the tool in the form of changes perpendicular and parallel relative to the workpiece were analyzed and simulated. The individual kinds of displacement of the tool relative to the workpiece introduce distortions in the changes of height and length. These changes are weakly represented in standard height and length irregularity parameters and their discernment has been found through amplitude-frequency functions.

Intensity–duration–area–frequency functions for precipitation in a multifractal framework

2004 ◽  
Vol 338 (1-2) ◽  
pp. 206-210 ◽  
Author(s):  
Jorge J. Castro ◽  
Alin A. Cârsteanu ◽  
Claudia G. Flores
Keyword(s):  
Frequency Functions
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