S. Valkealahti: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

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

Year:

2012

Language:

english

File:

PDF, 1.15 MB

english, 2012

2

Automated optimization of key WCDMA parameters

Albert Höglund, Kimmo Valkealahti

Journal:

Wireless Communications and Mobile Computing

Year:

2005

Language:

english

File:

PDF, 2.44 MB

english, 2005

3

Simulation of cluster impact fusion

S. Valkealahti, M. Manninen, E. Hammarén

Journal:

Zeitschrift für Physik D Atoms, Molecules and Clusters

Year:

1992

Language:

english

File:

PDF, 558 KB

english, 1992

4

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

Year:

2012

Language:

english

File:

PDF, 354 KB

english, 2012

5

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

Year:

2013

Language:

english

File:

PDF, 533 KB

english, 2013

6

Molecular dynamics simulation of crystallization of liquid copper clusters

Valkealahti, S, Manninen, M

Journal:

Journal of Physics Condensed Matter

Year:

1997

Language:

english

File:

PDF, 226 KB

english, 1997

7

Instability of cuboctahedral copper clusters

Valkealahti, S., Manninen, M.

Journal:

Physical Review B

Year:

1992

Language:

english

File:

PDF, 148 KB

english, 1992

8

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

Maki, Anssi, Valkealahti, Seppo

Journal:

IEEE Transactions on Energy Conversion

Year:

2013

Language:

english

File:

PDF, 424 KB

english, 2013

9

Dynamic thermal model of solar PV systems under varying climatic conditions

Torres Lobera, Diego, Valkealahti, Seppo

Journal:

Year:

2013

Language:

english

File:

PDF, 2.02 MB

english, 2013

10

[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

Year:

2013

Language:

english

File:

PDF, 302 KB

english, 2013

11

[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

Year:

2009

Language:

english

File:

PDF, 246 KB

english, 2009

12

Epitaxial growth of fcc clusters

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

Journal:

Physical Review B

Year:

1995

Language:

english

File:

PDF, 212 KB

english, 1995

13

[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

Year:

2007

Language:

english

File:

PDF, 230 KB

english, 2007

14

Simulation of cluster growth using a lattice gas model

Valkealahti, S., Manninen, M.

Journal:

Physical Review B

Year:

1994

Language:

english

File:

PDF, 939 KB

english, 1994

15

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

Year:

1985

Language:

english

File:

PDF, 181 KB

english, 1985

16

[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

Year:

2008

Language:

english

File:

PDF, 329 KB

english, 2008

17

[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.

Year:

2002

Language:

english

File:

PDF, 390 KB

english, 2002

18

[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.

Year:

2002

Language:

english

File:

PDF, 360 KB

english, 2002

19

[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.

Year:

2005

Language:

english

File:

PDF, 244 KB

english, 2005

20

[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.

Year:

2005

Language:

english

File:

PDF, 245 KB

english, 2005

21

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:

Year:

2018

Language:

english

File:

PDF, 401 KB

english, 2018

22

Characteristics of the cloud enhancement phenomenon and PV power plants

Järvelä, Markku, Lappalainen, Kari, Valkealahti, Seppo

Journal:

Year:

2020

File:

PDF, 2.56 MB

2020

23

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

Year:

1986

Language:

english

File:

PDF, 106 KB

english, 1986

24

Co-occurrence map: Quantizing multidimensional texture histograms

Erkki Oja, Kimmo Valkealahti

Journal:

Pattern Recognition Letters

Year:

1996

Language:

english

File:

PDF, 549 KB

english, 1996

25

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

Seppo Valkealahti, David O. Welch

Journal:

Physica C: Superconductivity

Year:

1989

Language:

english

File:

PDF, 148 KB

english, 1989

26

Texture discrimination with multidimensional distributions of signed gray-level differences

Timo Ojala, Kimmo Valkealahti, Erkki Oja, Matti Pietikäinen

Journal:

Pattern Recognition

Year:

2001

Language:

english

File:

PDF, 1.17 MB

english, 2001

27

Structural transitions and melting of copper clusters

S. Valkealahti, M. Manninen

Journal:

Zeitschrift für Physik D Atoms, Molecules and Clusters

Year:

1993

Language:

english

File:

PDF, 347 KB

english, 1993

28

Diffusion processes and growth on aluminum cluster surfaces

Valkealahti, S., Manninen, M.

Journal:

Zeitschrift für Physik D Atoms, Molecules and Clusters

Year:

1997

Language:

english

File:

PDF, 297 KB

english, 1997

29

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

Year:

1988

Language:

english

File:

PDF, 1.04 MB

english, 1988

30

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

Year:

1986

Language:

english

File:

PDF, 399 KB

english, 1986

31

Reduced multidimensional co-occurrence histograms in texture classification

Valkealahti, K., Oja, E.

Journal:

IEEE Transactions on Pattern Analysis and Machine Intelligence

Year:

1998

Language:

english

File:

PDF, 505 KB

english, 1998

32

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

Year:

1986

Language:

english

File:

PDF, 1.77 MB

english, 1986

33

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

Year:

1997

Language:

english

File:

PDF, 201 KB

english, 1997

34

Melting and evaporation of argon clusters

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

Journal:

The Journal of Chemical Physics

Year:

1997

Language:

english

File:

PDF, 244 KB

english, 1997

35

[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.

Year:

1991

Language:

english

File:

PDF, 339 KB

english, 1991

36

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

Year:

2014

Language:

english

File:

PDF, 167 KB

english, 2014

37

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

Year:

2014

Language:

english

File:

PDF, 871 KB

english, 2014

38

Melting of copper clusters

Valkealahti, S., Manninen, M.

Journal:

Computational Materials Science

Year:

1993

Language:

english

File:

PDF, 880 KB

english, 1993

39

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

Torres-Lobera, Diego, Valkealahti, Seppo

Journal:

Year:

2014

Language:

english

File:

PDF, 2.40 MB

english, 2014

40

[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

Year:

2010

Language:

english

File:

PDF, 1.17 MB

english, 2010

41

[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.

Year:

2002

Language:

english

File:

PDF, 457 KB

english, 2002

42

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

Year:

1998

Language:

english

File:

PDF, 362 KB

english, 1998

43

[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.

Year:

2003

Language:

english

File:

PDF, 448 KB

english, 2003

44

[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.

Year:

2002

Language:

english

File:

PDF, 385 KB

english, 2002

45

[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

Year:

2012

Language:

english

File:

PDF, 184 KB

english, 2012

46

[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.

Year:

2013

Language:

english

File:

PDF, 490 KB

english, 2013

47

[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.

Year:

2002

Language:

english

File:

PDF, 448 KB

english, 2002

48

[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

Year:

2014

Language:

english

File:

PDF, 744 KB

english, 2014

49

[IEEE 2014 European Conference on Networks and Communications (EuCNC) - Bologna, Italy (2014.6.23-2014.6.26)] 2014 European Conference on Networks and Communications (EuCNC) - On the performance of decentralized cell edge coordinated scheduling in small cell clusters with different densities

Anjum, Omer, Wijting, Carl, Uusitalo, Mikko A., Valkealahti, Kimmo

Year:

2014

Language:

english

File:

PDF, 764 KB

english, 2014

50

Diffusion on aluminum-cluster surfaces and the cluster growth

Valkealahti, S., Manninen, M.

Journal:

Physical Review B

Year:

1998

Language:

english

File:

PDF, 1.68 MB

english, 1998