Results 71 to 80 of about 3,762,663 (201)

A New Technique for Finding Needles in Haystacks: A Geometric Approach to Distinguishing Between a New Source and Random Fluctuations

, 2005
We propose a new test statistic based on a score process for determining the statistical significance of a putative signal that may be a small perturbation to a noisy experimental background.
B. P. Roe, Catherine Loader, Cyrus C. Taylor, D. Q. Naiman, H. Hotelling, H. Weyl, K. S. Cranmer, M. Knowles, R. J. Adler, Ramani S. Pilla, S. S. Wilks, W. T. Eadie   +11 more
core   +1 more source

Research on Improved VSG Control Algorithm Based on Capacity-Limited Energy Storage System

Energies, 2018
A large scale of renewable energy employing grid connected electronic inverters fail to contribute inertia or damping to power systems, and, therefore, may bring negative effects to the stability of power system.
Yanfeng Ma, Zijian Lin, Rennan Yu, Shuqiang Zhao   +3 more
doaj   +1 more source

Synaptic Transmission: An Information-Theoretic Perspective [PDF]

, 1998
Here we analyze synaptic transmission from an information-theoretic perspective. We derive closed-form expressions for the lower-bounds on the capacity of a simple model of a cortical synapse under two explicit coding paradigms.
Koch, C., Manwani, A.
core   +2 more sources

Multifractal fluctuations in the survival probability of an open quantum system

, 2006
We predict a multifractal behaviour of transport in the deep quantum regime for the opened $\delta-$kicked rotor model. Our analysis focuses on intermediate and large scale correlations in the transport signal and generalizes previously found parametric {
Ammann, Andrea Tomadin, Angelo Facchini, Benenti, Benzi, Berkovitz, Borgonovi, Chirikov, d’Arcy, Feder, Govindan, Guarneri, Izrailev, Janssen, Kantelhardt, Kantz, Kavasseri, Lee, McCauley, Moore, Méndez-Bermidez, Ossipov, Ott, Paladin, Peng, Pietronero, Ringot, Sadgrove, Sandro Wimberger, Schreiber, Schweitzer, Skipetrov, Tomadin, Vitanov, Wimberger, Wimberger   +35 more
core   +1 more source

Modeling and Control Parameters Design for Grid-Connected Inverter System Considering the Effect of PLL and Grid Impedance

IEEE Access, 2020
Small-signal stability problems often occur when the inverter for renewable energy generation is connected to weak grid. A small-signal transfer function integrated model reflecting the interaction of grid impedance, phase locked-loop (PLL), and current ...
Zhiwei Xie, Yandong Chen, Wenhua Wu, Yuancan Xu, Haining Wang, Jian Guo, An Luo   +6 more
doaj   +1 more source

The role of topology in electrical properties of bacteriorhodopsin and rat olfactory receptor I7

, 2010
We report on electrical properties of the two sensing proteins: bacteriorhodopsin and rat olfactory receptor OR-I7. As relevant transport parameters we consider the small-signal impedance spectrum and the static current-voltage characteristics ...
C. Pennetta, E. Alfinito, E. Barsoukov, L. Reggiani   +3 more
core   +1 more source

A new power MEMS component with variable capacitance [PDF]

, 2003
Autonomous devices such as wireless sensors and sensor networks need a long battery lifetime in a small volume. Incorporating micro-power generators based on ambient energy increases the lifetime of these systems while reducing the volume.
Baert, K, Borghs, G, Mertens, R, Puers, R, Sterken, Tom   +4 more
core   +1 more source

Research on modeling of modified phase-shifted full-bridge DC/DC converters

Dianzi Jishu Yingyong, 2018
To overcome the shortcomings of the full-bridge DC/DC converter topology for on-board charger, an improved phase-shifted full-bridge converter topology is suggested，and its working principle is analyzed when it operates in the discontinuous current mode ...
Cui Chao, Li Hongmei, Zhang Hengguo, Zeng Shenjie   +3 more
doaj   +1 more source

The test case of HD26965: difficulties disentangling weak Doppler signals from stellar activity

, 2018
We report the discovery of a radial velocity signal that can be interpreted as a planetary-mass candidate orbiting the K dwarf HD26965, with an orbital period of 42.364$\pm$0.015 days, or alternatively, as the presence of residual, uncorrected rotational
Arriagada, Pamela, Butler, R. Paul, Crane, Jeffrey D., Díaz, Matías R., Feng, Fabo, Jenkins, James S., Shectman, Stephen A., Soto, Maritza G., Teske, Johanna K., Thompson, Ian B., Tuomi, Mikko, Vogt, Steven S.   +11 more
core   +1 more source

An Aging Small-Signal Model for Degradation Prediction of Microwave Heterojunction Bipolar Transistor S-Parameters Based on Prior Knowledge Neural Network. [PDF]

Micromachines (Basel), 2023
Cheng L, Lu H, Yan S, Liu C, Qiao J, Qi J, Cheng W, Zhang Y, Zhang Y.   +8 more
europepmc   +1 more source