نتایج جستجو برای: improved gravitational search

تعداد نتایج: 762651  

Journal: :Indonesian Journal of Electrical Engineering and Computer Science 2019

H. Nezamabadi-Pour, M. B. Dowlatshahi, M. Kuchaki Rafsanjani,

Wireless Sensor Networks (WSNs) are networks of autonomous nodes used for monitoring an environment. In designing WSNs, one of the main issues is limited energy source for each sensor node. Hence, offering ways to optimize energy consumption in WSNs which eventually increases the network lifetime is strongly felt. Gravitational Search Algorithm (GSA) is a novel stochastic population-based meta-...

Journal: :Physical review letters 2016
B P Abbott R Abbott T D Abbott M R Abernathy F Acernese K Ackley C Adams T Adams P Addesso R X Adhikari V B Adya C Affeldt M Agathos K Agatsuma N Aggarwal O D Aguiar L Aiello A Ain P Ajith B Allen A Allocca P A Altin S B Anderson W G Anderson K Arai M C Araya C C Arceneaux J S Areeda N Arnaud K G Arun S Ascenzi G Ashton M Ast S M Aston P Astone P Aufmuth C Aulbert S Babak P Bacon M K M Bader P T Baker F Baldaccini G Ballardin S W Ballmer J C Barayoga S E Barclay B C Barish D Barker F Barone B Barr L Barsotti M Barsuglia D Barta J Bartlett I Bartos R Bassiri A Basti J C Batch C Baune V Bavigadda M Bazzan M Bejger A S Bell B K Berger G Bergmann C P L Berry D Bersanetti A Bertolini J Betzwieser S Bhagwat R Bhandare I A Bilenko G Billingsley J Birch R Birney O Birnholtz S Biscans A Bisht M Bitossi C Biwer M A Bizouard J K Blackburn C D Blair D G Blair R M Blair S Bloemen O Bock M Boer G Bogaert C Bogan A Bohe C Bond F Bondu R Bonnand B A Boom R Bork V Boschi S Bose Y Bouffanais A Bozzi C Bradaschia P R Brady V B Braginsky M Branchesi J E Brau T Briant A Brillet M Brinkmann V Brisson P Brockill J E Broida A F Brooks D A Brown D D Brown N M Brown S Brunett C C Buchanan A Buikema T Bulik H J Bulten A Buonanno D Buskulic C Buy R L Byer M Cabero L Cadonati G Cagnoli C Cahillane J Calderón Bustillo T Callister E Calloni J B Camp K C Cannon J Cao C D Capano E Capocasa F Carbognani S Caride J Casanueva Diaz C Casentini S Caudill M Cavaglià F Cavalier R Cavalieri G Cella C B Cepeda L Cerboni Baiardi G Cerretani E Cesarini S J Chamberlin M Chan S Chao P Charlton E Chassande-Mottin B D Cheeseboro H Y Chen Y Chen C Cheng A Chincarini A Chiummo H S Cho M Cho J H Chow N Christensen Q Chu S Chua S Chung G Ciani F Clara J A Clark F Cleva E Coccia P-F Cohadon A Colla C G Collette L Cominsky M Constancio A Conte L Conti D Cook T R Corbitt N Cornish A Corsi S Cortese C A Costa M W Coughlin S B Coughlin J-P Coulon S T Countryman P Couvares E E Cowan D M Coward M J Cowart D C Coyne R Coyne K Craig J D E Creighton J Cripe S G Crowder A Cumming L Cunningham E Cuoco T Dal Canton S L Danilishin S D'Antonio K Danzmann N S Darman A Dasgupta C F Da Silva Costa V Dattilo I Dave M Davier G S Davies E J Daw R Day S De D DeBra G Debreczeni J Degallaix M De Laurentis S Deléglise W Del Pozzo T Denker T Dent V Dergachev R De Rosa R T DeRosa R DeSalvo R C Devine S Dhurandhar M C Díaz L Di Fiore M Di Giovanni T Di Girolamo A Di Lieto S Di Pace I Di Palma A Di Virgilio V Dolique F Donovan K L Dooley S Doravari R Douglas T P Downes M Drago R W P Drever J C Driggers M Ducrot S E Dwyer T B Edo M C Edwards A Effler H-B Eggenstein P Ehrens J Eichholz S S Eikenberry W Engels R C Essick T Etzel M Evans T M Evans R Everett M Factourovich V Fafone H Fair S Fairhurst X Fan Q Fang S Farinon B Farr W M Farr M Favata M Fays H Fehrmann M M Fejer E Fenyvesi I Ferrante E C Ferreira F Ferrini F Fidecaro I Fiori D Fiorucci R P Fisher R Flaminio M Fletcher H Fong J-D Fournier S Frasca F Frasconi Z Frei A Freise R Frey V Frey P Fritschel V V Frolov P Fulda M Fyffe H A G Gabbard J R Gair L Gammaitoni S G Gaonkar F Garufi G Gaur N Gehrels G Gemme P Geng E Genin A Gennai J George L Gergely V Germain Abhirup Ghosh Archisman Ghosh S Ghosh J A Giaime K D Giardina A Giazotto K Gill A Glaefke E Goetz R Goetz L Gondan G González J M Gonzalez Castro A Gopakumar N A Gordon M L Gorodetsky S E Gossan M Gosselin R Gouaty A Grado C Graef P B Graff M Granata A Grant S Gras C Gray G Greco A C Green P Groot H Grote S Grunewald G M Guidi X Guo A Gupta M K Gupta K E Gushwa E K Gustafson R Gustafson J J Hacker B R Hall E D Hall H Hamilton G Hammond M Haney M M Hanke J Hanks C Hanna M D Hannam J Hanson T Hardwick J Harms G M Harry I W Harry M J Hart M T Hartman C-J Haster K Haughian J Healy A Heidmann M C Heintze H Heitmann P Hello G Hemming M Hendry I S Heng J Hennig J Henry A W Heptonstall M Heurs S Hild D Hoak D Hofman K Holt D E Holz P Hopkins J Hough E A Houston E J Howell Y M Hu S Huang E A Huerta D Huet B Hughey S Husa S H Huttner T Huynh-Dinh N Indik D R Ingram R Inta H N Isa J-M Isac M Isi T Isogai B R Iyer K Izumi T Jacqmin H Jang K Jani P Jaranowski S Jawahar L Jian F Jiménez-Forteza W W Johnson N K Johnson-McDaniel D I Jones R Jones R J G Jonker L Ju Haris K C V Kalaghatgi V Kalogera S Kandhasamy G Kang J B Kanner S J Kapadia S Karki K S Karvinen M Kasprzack E Katsavounidis W Katzman S Kaufer T Kaur K Kawabe F Kéfélian M S Kehl D Keitel D B Kelley W Kells R Kennedy J S Key F Y Khalili I Khan S Khan Z Khan E A Khazanov N Kijbunchoo Chi-Woong Kim Chunglee Kim J Kim K Kim N Kim W Kim Y-M Kim S J Kimbrell E J King P J King J S Kissel B Klein L Kleybolte S Klimenko S M Koehlenbeck S Koley V Kondrashov A Kontos M Korobko W Z Korth I Kowalska D B Kozak V Kringel B Krishnan A Królak C Krueger G Kuehn P Kumar R Kumar L Kuo A Kutynia B D Lackey M Landry J Lange B Lantz P D Lasky M Laxen A Lazzarini C Lazzaro P Leaci S Leavey E O Lebigot C H Lee H K Lee H M Lee K Lee A Lenon M Leonardi J R Leong N Leroy N Letendre Y Levin J B Lewis

We report the observation of a gravitational-wave signal produced by the coalescence of two stellar-mass black holes. The signal, GW151226, was observed by the twin detectors of the Laser Interferometer Gravitational-Wave Observatory (LIGO) on December 26, 2015 at 03:38:53 UTC. The signal was initially identified within 70 s by an online matched-filter search targeting binary coalescences. Subs...

2017
B. P. Abbott R. Abbott T. D. Abbott F. Acernese K. Ackley C. Adams T. Adams P. Addesso R. X. Adhikari V. B. Adya C. Affeldt M. Afrough B. Agarwal M. Agathos K. Agatsuma N. Aggarwal O. D. Aguiar L. Aiello A. Ain B. Allen G. Allen A. Allocca P. A. Altin A. Amato A. Ananyeva S. B. Anderson W. G. Anderson S. V. Angelova S. Antier S. Appert K. Arai M. C. Araya J. S. Areeda N. Arnaud K. G. Arun S. Ascenzi G. Ashton M. Ast S. M. Aston P. Astone D. V. Atallah P. Aufmuth C. Aulbert K. AultONeal C. Austin A. Avila-Alvarez S. Babak P. Bacon M. K. M. Bader S. Bae P. T. Baker F. Baldaccini G. Ballardin S. W. Ballmer S. Banagiri J. C. Barayoga S. E. Barclay B. C. Barish D. Barker K. Barkett F. Barone B. Barr L. Barsotti M. Barsuglia D. Barta J. Bartlett I. Bartos R. Bassiri A. Basti J. C. Batch M. Bawaj J. C. Bayley M. Bazzan B. Bécsy C. Beer M. Bejger I. Belahcene A. S. Bell B. K. Berger G. Bergmann J. J. Bero C. P. L. Berry D. Bersanetti A. Bertolini J. Betzwieser S. Bhagwat R. Bhandare I. A. Bilenko G. Billingsley C. R. Billman J. Birch R. Birney O. Birnholtz S. Biscans S. Biscoveanu A. Bisht M. Bitossi C. Biwer M. A. Bizouard J. K. Blackburn J. Blackman C. D. Blair D. G. Blair R. M. Blair S. Bloemen O. Bock N. Bode M. Boer G. Bogaert A. Bohe F. Bondu E. Bonilla R. Bonnand B. A. Boom R. Bork V. Boschi S. Bose K. Bossie Y. Bouffanais A. Bozzi C. Bradaschia P. R. Brady M. Branchesi J. E. Brau T. Briant A. Brillet M. Brinkmann V. Brisson P. Brockill J. E. Broida A. F. Brooks D. A. Brown D. D. Brown S. Brunett C. C. Buchanan A. Buikema T. Bulik H. J. Bulten A. Buonanno D. Buskulic C. Buy R. L. Byer M. Cabero L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo T. A. Callister E. Calloni J. B. Camp P. Canizares K. C. Cannon H. Cao J. Cao C. D. Capano E. Capocasa F. Carbognani S. Caride M. F. Carney J. Casanueva Diaz C. Casentini S. Caudill M. Cavaglià F. Cavalier R. Cavalieri G. Cella C. B. Cepeda P. Cerdá-Durán G. Cerretani E. Cesarini S. J. Chamberlin M. Chan S. Chao P. Charlton E. Chase E. Chassande-Mottin D. Chatterjee B. D. Cheeseboro H. Y. Chen X. Chen

Spinning neutron stars asymmetric with respect to their rotation axis are potential sources of continuous gravitational waves for ground-based interferometric detectors. In the case of known pulsars a fully coherent search, based on matched filtering, which uses the position and rotational parameters obtained from electromagnetic observations, can be carried out. Matched filtering maximizes the...

Virial theorem is important for understanding stellar structures. It produces an interesting connection between magnetic and gravitational energies. Using the general form of the virial theorem including the magnetic field (toroidal magnetic field), we may explain the solar dynamo model in relation to variations of the magnetic and gravitational energies. We emphasize the role of the gravitatio...

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