A note on the mathematical modeling of power amplifier/loudspeaker nonlinearity in acoustic echo cancellers

2011 ◽  
Author(s):  
Muhammad Taher Abuelma'atti
Keyword(s):  
Mathematical Modeling ◽  
Power Amplifier ◽  
Acoustic Echo

Analysis of Envelope-Tracking Power Amplifier Using Mathematical Modeling

2014 ◽  
Vol 62 (6) ◽  
pp. 1352-1362 ◽  
Author(s):  
Jooseung Kim ◽  
Dongsu Kim ◽  
Yunsung Cho ◽  
Daehyun Kang ◽  
Byungjoon Park ◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Power Amplifier ◽  
Envelope Tracking

scholarly journals HIGH POWER BROADBAND PULSED MICROWAVE SOLID-STATE POWER AMPLIfIER WITH HIGH AMPLITUDE-PHASE STABILITY

2020 ◽  
Vol 258 (3) ◽  
pp. 53-59
Author(s):  
B. V. Emelyanov
Keyword(s):  
Mathematical Modeling ◽  
Solid State ◽  
Power Amplifier ◽  
Phase Stability ◽  
High Power ◽  
Theoretical Calculations ◽  
State Power ◽  
High Amplitude ◽  
Main Factors ◽  
The Stability

In this paper the principles of measuring the amplitude-phase stability are described. Fa ctors that negatively affect the amplitude-phase stability of a solid-state power amplifier are considered. The results of theoretical calculations and mathematical modeling of the dependence of this stability on various factors are presented, and on the basis of these results the main factors that negatively affect the amplitude-phase stability are identified. In the conclusion I present the results of practical measurements of the stability, and suggest methods to improve the amplitude-phase stability of high-power solid-state power amplifiers.

Cerebral Blood Circulation in Premature Infants by Means of Mathematical Modeling

2015 ◽  
Vol 46 (S 01) ◽  
Author(s):  
R. Lampe ◽  
N. Botkin ◽  
V. Turova ◽  
T. Blumenstein ◽  
A. Alves-Pinto
Keyword(s):  
Mathematical Modeling ◽  
Premature Infants ◽  
Blood Circulation ◽  
Cerebral Blood Circulation
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