Results 141 to 150 of about 2,412,507 (179)
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Tight Frames and Dual Frame Pairs
2016We have already highlighted the frame decomposition, which shows that a frame \(\{f_{k}\}_{k=1}^{\infty }\) for a Hilbert space \(\mathcal{H}\) leads to the decomposition $$\displaystyle\begin{array}{rcl} f =\sum _{ k=1}^{\infty }\langle f,S^{-1}f_{ k}\rangle f_{k},\ \ \forall f \in \mathcal{H};& &{}\end{array}$$ (6.1) here \(S: \mathcal{H ...
O. Christensen
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2015
Die Entwicklung der Anzahl der Festnetzanschlusse in Deutschland zeigt fur den Zeitraum von 2009 bis 2013 wenig Veranderung und stagniert auf einem Wert von ca. 38 Mio. Anschlusse. Bei einer naheren Untersuchung der Zusammensetzung dieses Wertes anhand des von der Bundesnetzagentur (BNA) fur 2012/2013 veroffentlichten Tatigkeitsberichts kann jedoch ...
Matthias Sand
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Die Entwicklung der Anzahl der Festnetzanschlusse in Deutschland zeigt fur den Zeitraum von 2009 bis 2013 wenig Veranderung und stagniert auf einem Wert von ca. 38 Mio. Anschlusse. Bei einer naheren Untersuchung der Zusammensetzung dieses Wertes anhand des von der Bundesnetzagentur (BNA) fur 2012/2013 veroffentlichten Tatigkeitsberichts kann jedoch ...
Matthias Sand
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Applied Optics, 2021
The pursuit of high-precision and high-efficiency phase recovery methods has been a research focus of interferometric technology. We propose a dual-frame phase-shifting interferogram phase recovery technique based on normalization of the first-order norm.
Hangying Zhang, Feng Yang, Liangcai Cao
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The pursuit of high-precision and high-efficiency phase recovery methods has been a research focus of interferometric technology. We propose a dual-frame phase-shifting interferogram phase recovery technique based on normalization of the first-order norm.
Hangying Zhang, Feng Yang, Liangcai Cao
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Making and Sharing K-Dual Frame Pairs
, 2021The atomic decomposition of signals is one of the most important problems in the frame theory. K-dual frame pairs may be used to stably reconstruct elements from the range of bounded linear operators on Hilbert spaces. The purpose of this paper is making
Ya-Nan Li, Yun‐Zhang Li
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IEEE transactions on industrial electronics (1982. Print), 2022
This article proposes an improved multiple synchronous reference frame (MSRF) current harmonic regulation strategy for dual three phase permanent magnet synchronous machine drive system.
Luocheng Yan +6 more
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This article proposes an improved multiple synchronous reference frame (MSRF) current harmonic regulation strategy for dual three phase permanent magnet synchronous machine drive system.
Luocheng Yan +6 more
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Design and Calibration of a Dual-Frame Force and Torque Sensor
IEEE Sensors Journal, 2020In this study, a dual-frame six-axis force and torque (F/T) sensor is proposed. The dual-frame F/T sensor consists of inner and outer elastic parts for simultaneously measuring ${F}_{x}$ , ${F}_{y}$ , and ${T}_{z}$ as well as ${T}_{x}$ , ${T}_{y}$ ,
Yu-Jen Wang +2 more
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IEEE transactions on power electronics, 2022
The parameter mismatch problem has a great impact on the control performance of model predictive control, which is however unavoidable during the operation.
Xinyue Li +4 more
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The parameter mismatch problem has a great impact on the control performance of model predictive control, which is however unavoidable during the operation.
Xinyue Li +4 more
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Partial Gabor frames and dual frames
International Journal of Wavelets, Multiresolution and Information Processing, 2021The theory of Gabor frames has been extensively investigated. This paper addresses partial Gabor systems. We introduce the concepts of partial Gabor system, frame and dual frame. We present some conditions for a partial Gabor system to be a partial Gabor frame, and using these conditions, we characterize partial dual frames. We also give some examples.
Hui-Fang Jia, Yu Tian, Guo-Liang He
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IEEE transactions on power electronics, 2021
This article proposes an optimized current harmonic minimization (CHM) approach for dual three-phase permanent magnet synchronous machines (PMSMs) with consideration of inverter voltage limit. The current harmonic model is derived to analyze the dominant
G. Feng +4 more
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This article proposes an optimized current harmonic minimization (CHM) approach for dual three-phase permanent magnet synchronous machines (PMSMs) with consideration of inverter voltage limit. The current harmonic model is derived to analyze the dominant
G. Feng +4 more
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Journal of Pseudo-Differential Operators and Applications, 2020
The present study deals with the recently introduced concept of P-woven frames. Two frames $$\left\{ \varphi _{i}\right\} _{i\in I}$$ and $$\left\{ \psi _{i}\right\} _{i\in I}$$ for a Hilbert space H are called P-woven, if there exists a nontrivial subset $$\sigma $$ of I such that the family $$\left\{ g_{i}\right\} _{i\in I}$$ represented ...
Mohammad Ali Dehghan +1 more
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The present study deals with the recently introduced concept of P-woven frames. Two frames $$\left\{ \varphi _{i}\right\} _{i\in I}$$ and $$\left\{ \psi _{i}\right\} _{i\in I}$$ for a Hilbert space H are called P-woven, if there exists a nontrivial subset $$\sigma $$ of I such that the family $$\left\{ g_{i}\right\} _{i\in I}$$ represented ...
Mohammad Ali Dehghan +1 more
openaire +2 more sources