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Lars Radtke, Georgios Bletsos, Niklas Kühl, Tim Suchan, Thomas Rung, Alexander Düster and Kathrin Welker
In the last decade, parameter-free approaches to shape optimization problems have matured to a state where they provide a versatile tool for complex engineering applications. However, sensitivity distributions obtained from shape derivatives in this cont...
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Renguo Yang, Yadong Gao, Huaming Wang and Xianping Ni
In order to further reduce the vibration level of helicopters, the active vibration control technology of helicopters has been extensively studied. Among them, individual blade control (IBC) independently applies high-order harmonics to each blade with a...
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Natalie S. Grigorieva, Fiodor F. Legusha, Dmitry V. Nikushchenko and Kirill S. Safronov
A numerically efficient technique is presented for computing the backscattered fields from two spherical targets embedded in an underwater sediment. The bottom is assumed to be a homogeneous liquid attenuating half-space. The transmitter/receiver is loca...
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Hai Huyen Dam and Sven Nordholm
This paper proposes a new adaptive algorithm for the second-order blind signal separation (BSS) problem with convolutive mixtures by utilising a combination of an accelerated gradient and a conjugate gradient method. For each iteration of the adaptive al...
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Sohaib Khan, Muhammad Umer Sohail, Ihtzaz Qamar, Muzna Tariq and Raees Fida Swati
Thrust regulation is applied to maintain the performance of the liquid propellant rocket engine. The thrust level of a rocket engine can be readily controlled by adjusting the number of propellants introduced into the combustion chamber. In this study, a...
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Andreas Griewank and Andrea Walther
For piecewise linear functions ??:R???R
f
:
R
n
?
R
we show how their abs-linear representation can be extended to yield simultaneously their decomposition into a convex ???
f
?
and a concave part ??^
f
^
, including a pair of generalized gradients ???...
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Bin Wang, Li Wang, Hao Yu and Fengming Xin
The compressed sensing theory has been widely used in solving undetermined equations in various fields and has made remarkable achievements. The regularized smooth L0 (ReSL0) reconstruction algorithm adds an error regularization term to the smooth L0(SL0...
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El-Shenawee, M. Rappaport, C. Miller, E. L. Silevitch, M. B.
Pág. 1174 - 1182
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