Valkealahti, S. : rechercher sur Z-Library

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1

Power Losses in Long String and Parallel-Connected Short Strings of Series-Connected Silicon-Based Photovoltaic Modules Due to Partial Shading Conditions

Mäki, A., Valkealahti, S.

Journal:

IEEE Transactions on Energy Conversion

Année:

2012

Langue:

english

Fichier:

PDF, 1.15 MB

english, 2012

2

Photovoltaic Generator as an Input Source for Power Electronic Converters

Nousiainen, L., Puukko, J., Mäki, A., Messo, T., Huusari, J., Jokipii, J., Viinamäki, J., Lobera, D. T., Valkealahti, S., Suntio, T.

Journal:

IEEE Transactions on Power Electronics

Année:

2013

Langue:

english

Fichier:

PDF, 533 KB

english, 2013

3

Effect of Photovoltaic Generator Components on the Number of MPPs Under Partial Shading Conditions

Maki, Anssi, Valkealahti, Seppo

Journal:

IEEE Transactions on Energy Conversion

Année:

2013

Langue:

english

Fichier:

PDF, 424 KB

english, 2013

4

Co-occurrence map: Quantizing multidimensional texture histograms

Erkki Oja, Kimmo Valkealahti

Journal:

Pattern Recognition Letters

Année:

1996

Langue:

english

Fichier:

PDF, 549 KB

english, 1996

5

Texture discrimination with multidimensional distributions of signed gray-level differences

Timo Ojala, Kimmo Valkealahti, Erkki Oja, Matti Pietikäinen

Journal:

Pattern Recognition

Année:

2001

Langue:

english

Fichier:

PDF, 1.17 MB

english, 2001

6

Automated optimization of key WCDMA parameters

Albert Höglund, Kimmo Valkealahti

Journal:

Wireless Communications and Mobile Computing

Année:

2005

Langue:

english

Fichier:

PDF, 2.44 MB

english, 2005

7

Simulation of cluster impact fusion

S. Valkealahti, M. Manninen, E. Hammarén

Journal:

Zeitschrift für Physik D Atoms, Molecules and Clusters

Année:

1992

Langue:

english

Fichier:

PDF, 558 KB

english, 1992

8

Operation of series-connected silicon-based photovoltaic modules under partial shading conditions

Anssi Mäki, Seppo Valkealahti, Jari Leppäaho

Journal:

Progress in Photovoltaics: Research and Applications

Année:

2012

Langue:

english

Fichier:

PDF, 354 KB

english, 2012

9

Reduced multidimensional co-occurrence histograms in texture classification

Valkealahti, K., Oja, E.

Journal:

IEEE Transactions on Pattern Analysis and Machine Intelligence

Année:

1998

Langue:

english

Fichier:

PDF, 505 KB

english, 1998

10

Molecular dynamics simulation of crystallization of liquid copper clusters

Valkealahti, S, Manninen, M

Journal:

Journal of Physics Condensed Matter

Année:

1997

Langue:

english

Fichier:

PDF, 226 KB

english, 1997

11

Instability of cuboctahedral copper clusters

Valkealahti, S., Manninen, M.

Journal:

Physical Review B

Année:

1992

Langue:

english

Fichier:

PDF, 148 KB

english, 1992

12

Dynamic thermal model of solar PV systems under varying climatic conditions

Torres Lobera, Diego, Valkealahti, Seppo

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 2.02 MB

english, 2013

13

[IEEE 2013 ICC - 2013 IEEE International Conference on Communication Workshop (ICC) - Budapest, Hungary (2013.06.9-2013.06.13)] 2013 IEEE International Conference on Communications Workshops (ICC) - Optimal muting ratio for Enhanced Inter-Cell Interference Coordination (eICIC) in HetNets

Lembo, Sergio, Lunden, Petteri, Tirkkonen, Olav, Valkealahti, Kimmo

Année:

2013

Langue:

english

Fichier:

PDF, 302 KB

english, 2013

14

[IEEE 2009 IEEE 69th Vehicular Technology Conference Spring - Barcelona, Spain (2009.04.26-2009.04.29)] VTC Spring 2009 - IEEE 69th Vehicular Technology Conference - Interference Aware Scheduling for Soft Frequency Reuse

Doppler, Klaus, Wijting, Carl, Valkealahti, Kimmo

Année:

2009

Langue:

english

Fichier:

PDF, 246 KB

english, 2009

15

Epitaxial growth of fcc clusters

Valkealahti, S., Näher, U., Manninen, M.

Journal:

Physical Review B

Année:

1995

Langue:

english

Fichier:

PDF, 212 KB

english, 1995

16

[IEEE 2007 IEEE 66th Vehicular Technology Conference - Baltimore, MD, USA (2007.09.30-2007.10.3)] 2007 IEEE 66th Vehicular Technology Conference - On Distributed and Self-Organized Inter-Cell Interference Mitigation for OFDMA Downlink in IMT-Advanced Radio Systems

He, Xiaoben, Valkealahti, Kimmo

Année:

2007

Langue:

english

Fichier:

PDF, 230 KB

english, 2007

17

Simulation of cluster growth using a lattice gas model

Valkealahti, S., Manninen, M.

Journal:

Physical Review B

Année:

1994

Langue:

english

Fichier:

PDF, 939 KB

english, 1994

18

Near-surface defect profiling with slow positrons: Argon-sputtered Al(110)

Vehanen, A., Makinen, J., Hautojarvi, P., Huomo, H., Lahtinen, J., Nieminen, R. M., Valkealahti, S.

Journal:

Physical Review B

Année:

1985

Langue:

english

Fichier:

PDF, 181 KB

english, 1985

19

[IEEE 2008 IEEE Vehicular Technology Conference (VTC 2008-Spring) - Marina Bay, Singapore (2008.05.11-2008.05.14)] VTC Spring 2008 - IEEE Vehicular Technology Conference - On the Benefits of Relays in a Metropolitan Area Network

Doppler, Klaus, Wijting, Carl, Valkealahti, Kimmo

Année:

2008

Langue:

english

Fichier:

PDF, 329 KB

english, 2008

20

[IEEE 13th IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 20020 - Pavilhao Altantico, Lisboa, Portugal (15-18 Sept. 2002)] The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications - WCDMA common pilot power control for load and coverage balancing

Valkealahti, K., Hoglund, A., Parkkinen, J., Hamalainen, A.

Année:

2002

Langue:

english

Fichier:

PDF, 390 KB

english, 2002

21

[IEEE 13th IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 20020 - Pavilhao Altantico, Lisboa, Portugal (15-18 Sept. 2002)] The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications - Adaptive power increase estimation in WCDMA

Hamalainen, A., Valkealahti, K.

Année:

2002

Langue:

english

Fichier:

PDF, 360 KB

english, 2002

22

[IEEE 2005 IEEE 61st Vehicular Technology Conference - Stockholm, Sweden (30-01 May 2005)] 2005 IEEE 61st Vehicular Technology Conference - Genetic Approach to QoS Optimization for WCDMA Mobile Networks

Soldani, D., Valkealahti, K.

Année:

2005

Langue:

english

Fichier:

PDF, 244 KB

english, 2005

23

[IEEE 2005 IEEE 61st Vehicular Technology Conference - Stockholm, Sweden (30-01 May 2005)] 2005 IEEE 61st Vehicular Technology Conference - QoS Sensitivity to Selected Packet Scheduling Parameters in UTRAN

Valkealahti, K., Soldani, D.

Année:

2005

Langue:

english

Fichier:

PDF, 245 KB

english, 2005

24

Output power variation of different PV array configurations during irradiance transitions caused by moving clouds

Lappalainen, Kari, Valkealahti, Seppo

Journal:

Année:

2017

Langue:

english

Fichier:

PDF, 1.07 MB

english, 2017

25

Cross-impact analysis of Finnish electricity system with increased renewables: Long-run energy policy challenges in balancing supply and consumption

Panula-Ontto, Juha, Luukkanen, Jyrki, Kaivo-oja, Jari, O'Mahony, Tadhg, Vehmas, Jarmo, Valkealahti, Seppo, Björkqvist, Tomas, Korpela, Timo, Järventausta, Pertti, Majanne, Yrjö, Kojo, Matti, Aalto, Pa

Journal:

Année:

2018

Langue:

english

Fichier:

PDF, 401 KB

english, 2018

26

Characteristics of the cloud enhancement phenomenon and PV power plants

Järvelä, Markku, Lappalainen, Kari, Valkealahti, Seppo

Journal:

Année:

2020

Fichier:

PDF, 2.56 MB

2020

27

Operation of a PV Power Plant during Overpower Events Caused by the Cloud Enhancement Phenomenon

JÃ¤rvelÃ¤, Markku, Valkealahti, Seppo

Journal:

Année:

2020

Fichier:

PDF, 3.76 MB

2020

28

Vacancy-type defect distributions near argon sputtered Al(110) surface studied by variable-energy positrons and molecular dynamics simulations

J. Mäkinen, A. Vehanen, P. Hautojärvi, H. Huomo, J. Lahtinen, R.M. Nieminen, S. Valkealahti

Journal:

Surface Science Letters

Année:

1986

Langue:

english

Fichier:

PDF, 106 KB

english, 1986

29

Theoretical studies of structural properties of the high-Tc superconductor Y1Ba2Cu3O7-x

Seppo Valkealahti, David O. Welch

Journal:

Physica C: Superconductivity

Année:

1989

Langue:

english

Fichier:

PDF, 148 KB

english, 1989

30

Structural transitions and melting of copper clusters

S. Valkealahti, M. Manninen

Journal:

Zeitschrift für Physik D Atoms, Molecules and Clusters

Année:

1993

Langue:

english

Fichier:

PDF, 347 KB

english, 1993

31

Diffusion processes and growth on aluminum cluster surfaces

Valkealahti, S., Manninen, M.

Journal:

Zeitschrift für Physik D Atoms, Molecules and Clusters

Année:

1997

Langue:

english

Fichier:

PDF, 297 KB

english, 1997

32

Ranges and stopping power of KeV electrons in the solid hydrogens

S. Valkealahti, J. Schou, H. Sørensen, R.M. Nieminen

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Année:

1988

Langue:

english

Fichier:

PDF, 1.04 MB

english, 1988

33

Molecular dynamics simulation of the damage production in Al (110) surface with slow argon ions

S. Valkealahti, R.M. Nieminen

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Année:

1986

Langue:

english

Fichier:

PDF, 399 KB

english, 1986

34

Vacancy-type defect distributions near argon sputtered Al(100) surface studied by variable-energy positrons and molecular dynamics simulations

J. Mäkinen, A. Vehanen, P. Hautojärvi, H. Huomo, J. Lahtinen, R.M. Nieminen, S. Valkealahti

Journal:

Surface Science

Année:

1986

Langue:

english

Fichier:

PDF, 1.77 MB

english, 1986

35

Size-Dependent Icosahedral-to-fcc Structure Change Confirmed in Unsupported Nanometer-Sized Copper Clusters

Reinhard, D., Hall, B. D., Berthoud, P., Valkealahti, S., Monot, R.

Journal:

Physical Review Letters

Année:

1997

Langue:

english

Fichier:

PDF, 201 KB

english, 1997

36

Melting and evaporation of argon clusters

Rytkönen, A., Valkealahti, S., Manninen, M.

Journal:

The Journal of Chemical Physics

Année:

1997

Langue:

english

Fichier:

PDF, 244 KB

english, 1997

37

[IEEE 1991 IEEE International Joint Conference on Neural Networks - Singapore (18-21 Nov. 1991)] [Proceedings] 1991 IEEE International Joint Conference on Neural Networks - Cloud detection based on texture segmentation by neural network methods

Visa, A., Valkealahti, K., Simula, O.

Année:

1991

Langue:

english

Fichier:

PDF, 339 KB

english, 1991

38

Evaluation of human subchondral bone structure using volumetric local binary patterns method

Thevenot, J., Finnilä, M., Aho, O-M., Tiitu, V., Rautiainen, J., Nieminen, M., Valkealahti, M., Lehenkari, P., Saarakkala, S.

Journal:

Osteoarthritis and Cartilage

Année:

2014

Langue:

english

Fichier:

PDF, 167 KB

english, 2014

39

Correlation of subchondral bone morphometry and OARSI grade in osteoarthritic human knee samples

Finnilä, M., Aho, O-M., Tiitu, V., Thevenot, J., Rautiainen, J., Nieminen, M., Valkealahti, M., Lehenkari, P., Saarakkala, S.

Journal:

Osteoarthritis and Cartilage

Année:

2014

Langue:

english

Fichier:

PDF, 871 KB

english, 2014

40

Melting of copper clusters

Valkealahti, S., Manninen, M.

Journal:

Computational Materials Science

Année:

1993

Langue:

english

Fichier:

PDF, 880 KB

english, 1993

41

Inclusive dynamic thermal and electric simulation model of solar PV systems under varying atmospheric conditions

Torres-Lobera, Diego, Valkealahti, Seppo

Journal:

Année:

2014

Langue:

english

Fichier:

PDF, 2.40 MB

english, 2014

42

[IEEE 2010 14th International Power Electronics and Motion Control Conference (EPE/PEMC 2010) - Ohrid, Macedonia (2010.09.6-2010.09.8)] Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010 - Dynamic terminal characteristics of a photovoltaic generator

Maki, Anssi, Valkealahti, Seppo, Suntio, Teuvo

Année:

2010

Langue:

english

Fichier:

PDF, 1.17 MB

english, 2010

43

[IEEE 2002 IEEE 56th Vehicular Technology Conference - Vancouver, BC, Canada (24-28 Sept. 2002)] Proceedings IEEE 56th Vehicular Technology Conference - WCDMA common pilot power control with cost function minimization

Valkealahti, K., Hoglund, A., Parkkinen, J., Flanagan, A.

Année:

2002

Langue:

english

Fichier:

PDF, 457 KB

english, 2002

44

Unsupported nanometer-sized copper clusters studied by electron diffraction and molecular dynamics

Reinhard, D., Hall, B. D., Berthoud, P., Valkealahti, S., Monot, R.

Journal:

Physical Review B

Année:

1998

Langue:

english

Fichier:

PDF, 362 KB

english, 1998

45

[IEEE The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. - Jeju, Korea (April 22-25, 2003)] The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. - Quality-based auto-tuning of cell uplink load level targets in WCDMA

Hoglund, A., Pollonen, J., Valkealahti, K., Laiho, J.

Année:

2003

Langue:

english

Fichier:

PDF, 448 KB

english, 2003

46

[IEEE 2002 IEEE 56th Vehicular Technology Conference - Vancouver, BC, Canada (24-28 Sept. 2002)] Proceedings IEEE 56th Vehicular Technology Conference - Auto-tuning of service-specific requirement of received EbNo in WCDMA

Hamalainen, A., Valkealahti, K., Hoglund, A., Laakso, J.

Année:

2002

Langue:

english

Fichier:

PDF, 385 KB

english, 2002

47

[IEEE 2012 35th IEEE Sarnoff Symposium - Newark, NJ, USA (2012.05.21-2012.05.22)] 2012 35th IEEE Sarnoff Symposium - Performance evaluation of flexible TDD switching in 3GPP LTE system

Wang, Yufeng, Valkealahti, Kimmo, Shu, Kodo, Sankar, Ravi, Morgera, Salvatore

Année:

2012

Langue:

english

Fichier:

PDF, 184 KB

english, 2012

48

[IEEE 2013 4th IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) - Rogers, AR, USA (2013.07.8-2013.07.11)] 2013 4th IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) - Mismatch losses in PV power generators caused by partial shading due to clouds

Lobera, D. Torres, Valkealahti, S.

Année:

2013

Langue:

english

Fichier:

PDF, 490 KB

english, 2013

49

[IEEE 2002 IEEE 56th Vehicular Technology Conference - Vancouver, BC, Canada (24-28 Sept. 2002)] Proceedings IEEE 56th Vehicular Technology Conference - Quality-based tuning of cell downlink load target and link power maxima in WCDMA

Hoglund, A., Valkealahti, K.

Année:

2002

Langue:

english

Fichier:

PDF, 448 KB

english, 2002

50

[IEEE 2014 16th European Conference on Power Electronics and Applications (EPE'14-ECCE Europe) - Lappeenranta, Finland (2014.8.26-2014.8.28)] 2014 16th European Conference on Power Electronics and Applications - Optimizing the accuracy of electrical models of PV systems operating under non-ideal conditions

Torres-Lobera, Diego, Valkealahti, Seppo

Année:

2014

Langue:

english

Fichier:

PDF, 744 KB

english, 2014