Browsing by Subject "Natural frequencies"

Now showing items 1-17 of 17

    • Article  

      Assignment of natural frequencies by an added mass and one or more springs 

      Kyprianou, Andreas; Mottershead, J. E.; Ouyang, H. (2004)
      The problem of assigning natural frequencies to a multi-degree-of-freedom undamped system by an added mass connected by one or more springs is addressed. The added mass and stiffnesses are determined using receptances from ...
    • Article  

      Asymptotically optimal AR spectral estimate for multistep prediction 

      Karagrigoriou, Alex; Vonta, Filia (2000)
      This paper discusses the concept of asymptotic optimality from the frequency domain point of view making use of the direct method for multiple prediction. In particular, it is shown that with the use of a new autoregressive ...
    • Article  

      Broadband planar circularly polarised antenna for ultra-high frequency applications 

      Rezaeieh, S. A.; Abbosh, A. M.; Antoniades, Marcos A. (2014)
      A broadband circularly polarised (CP) antenna employing a deformed square loop radiator in combination with two spiraled monopoles is presented, for use in multiple ultra-high frequency applications. This combination of ...
    • Article  

      Measurement of the Bs0-B̄s0 oscillation frequency 

      Abulencia, A.; Acosta, D.; Adelman, J.; Affolder, T.; Akimoto, T.; Albrow, M. G.; Ambrose, D.; Amerio, S.; Amidei, D.; Anastassov, A.; Anikeev, K.; Annovi, A.; Antos, J.; Aoki, M.; Apollinari, G.; Arguin, J. -F; Arisawa, T.; Artikov, A.; Ashmanskas, W.; Attal, A.; Azfar, F.; Azzi-Bacchetta, P.; Azzurri, P.; Bacchetta, N.; Bachacou, H.; Badgett, W.; Barbaro-Galtieri, A.; Barnes, V. E.; Barnett, B. A.; Baroiant, S.; Bartsch, V.; Bauer, G.; Bedeschi, F.; Behari, S.; Belforte, S.; Bellettini, G.; Bellinger, J.; Belloni, A.; Ben Haim, E.; Benjamin, D.; Beretvas, Andrew; Beringer, J.; Berry, T.; Bhatti, A.; Binkley, M.; Bisello, D.; Blair, R. E.; Blocker, C.; Blumenfeld, B.; Bocci, A.; Bodek, A.; Boisvert, V.; Bolla, G.; Bolshov, A.; Bortoletto, D.; Boudreau, J.; Boveia, A.; Brau, B.; Bromberg, C.; Brubaker, E.; Budagov, J.; Budd, H. S.; Budd, S.; Burkett, K.; Busetto, G.; Bussey, P.; Byrum, K. L.; Cabrera, S.; Campanelli, M.; Campbell, M.; Canelli, Florencia M.; Canepa, A.; Carlsmith, D.; Carosi, R.; Carron, S.; Casal, B.; Casarsa, M.; Castro, A.; Catastini, P.; Cauz, D.; Cavalli-Sforza, M.; Cerri, A.; Cerrito, L.; Chang, S. H.; Chapman, J.; Chen, Y. C.; Chertok, M.; Chiarelli, G.; Chlachidze, G.; Chlebana, F.; Cho, I.; Cho, K.; Chokheli, D.; Chou, J. P.; Chu, P. H.; Chuang, S. H.; Chung, K.; Chung, W. H.; Chung, Y. S.; Ciljak, M.; Ciobanu, C. I.; Ciocci, M. A.; Clark, A.; Clark, D.; Coca, M.; Compostella, G.; Convery, M. E.; Conway, J.; Cooper, B.; Copic, K.; Cordelli, M.; Cortiana, G.; Crescioli, F.; Cruz, A.; Cuenca Almenar, C.; Cuevas, J.; Culbertson, R.; Cyr, D.; DaRonco, S.; D'Auria, S.; D'Onofrio, M.; Dagenhart, D.; de Barbaro, P.; de Cecco, S.; Deisher, A.; De Lentdecker, Gilles; Dell'Orso, M.; Delli Paoli, F.; Demers, S.; Demortier, L.; Deng, J.; Deninno, M.; de Pedis, D.; Derwent, P. F.; di Giovanni, G. P.; di Ruzza, B.; Dionisi, Carlo; Dittmann, J. R.; DiTuro, P.; Dorr, C.; Donati, S.; Donegà, Mauro; Dong, P.; Donini, J.; Dorigo, T.; Dube, S.; Ebina, K.; Efron, J.; Ehlers, J.; Erbacher, R.; Errede, D.; Errede, S.; Eusebi, R.; Fang, H. C.; Farrington, S.; Fedorko, I.; Fedorko, W. T.; Feild, R. G.; Feindt, M.; Fernandez, J. P.; Field, R.; Flanagan, G.; Flores-Castillo, L. R.; Foland, A.; Forrester, S.; Foster, G. W.; Franklin, M.; Freeman, J. C.; Frisch, H. J.; Furic, I.; Gallinaro, M.; Galyardt, J.; Garcia, J. E.; Garcia Sciveres, M.; Garfinkel, A. F.; Gay, C.; Gerberich, H.; Gerdes, D.; Giagu, S.; Giannetti, P.; Gibson, A.; Gibson, K.; Ginsburg, C.; Giokaris, N.; Giolo, K.; Giordani, M.; Giromini, P.; Giunta, M.; Giurgiu, G.; Glagolev, V.; Glenzinski, D.; Gold, M.; Goldschmidt, N.; Goldstein, J.; Gomez, G.; Gomez-Ceballos, G.; Goncharov, M.; González, O.; Gorelov, I.; Goshaw, A. T.; Gotra, Y.; Goulianos, Konstantin; Gresele, A.; Griffiths, M.; Grinstein, S.; Grosso-Pilcher, C.; Group, R. C.; Grundler, U.; Guimaraes da Costa, J.; Gunay-Unalan, Z.; Haber, C.; Hahn, S. R.; Hahn, K.; Halkiadakis, Eva; Hamilton, A.; Han, B. -Y; Han, J. Y.; Handler, R.; Happacher, F.; Hara, K.; Hare, M.; Harper, S.; Harr, R. F.; Harris, R. M.; Hatakeyama, K.; Hauser, J.; Hays, C.; Heijboer, A.; Heinemann, B.; Heinrich, J.; Herndon, M.; Hidas, D.; Hill, C. S.; Hirschbuehl, D.; Hocker, A.; Holloway, A.; Hou, S.; Houlden, M.; Hsu, S. -C; Huffman, B. T.; Hughes, R. E.; Huston, J.; Incandela, J.; Introzzi, G.; Iori, M.; Ishizawa, Y.; Ivanov, A.; Iyutin, B.; James, E.; Jang, D.; Jayatilaka, B.; Jeans, D.; Jensen, H.; Jeon, E. J.; Jindariani, S.; Jones, M.; Joo, K. K.; Jun, S. Y.; Junk, T. R.; Kamon, T.; Kang, J.; Karchin, P. E.; Kato, Y.; Kemp, Y.; Kephart, R.; Kerzel, U.; Khotilovich, V.; Kilminster, B.; Kim, D. H.; Kim, H. S.; Kim, J. E.; Kim, M. J.; Kim, S. B.; Kim, S. H.; Kim, Y. K.; Kirsch, L.; Klimenko, S.; Klute, M.; Knuteson, B.; Ko, B. R.; Kobayashi, H.; Kondo, K.; Kong, D. J.; Konigsberg, J.; Korytov, A.; Kotwal, A. V.; Kovalev, A.; Kraan, A.; Kraus, J.; Kravchenko, I.; Kreps, M.; Kroll, J.; Krumnack, N.; Kruse, M.; Krutelyov, V.; Kuhlmann, S. E.; Kusakabe, Y.; Kwang, S.; Laasanen, A. T.; Lai, S.; Lami, S.; Lammel, S.; Lancaster, M.; Lander, R. L.; Lannon, K.; Lath, A.; Latino, G.; Lazzizzera, I.; LeCompte, T.; Lee, J.; Lee, J.; Lee, Y. J.; Lee, S. W.; Lefèvre, R.; Leonardo, N.; Leone, S.; Levy, S.; Lewis, J. D.; Lin, C.; Lin, C. S.; Lindgren, M.; Lipeles, E.; Liss, T. M.; Lister, A.; Litvintsev, D. O.; Liu, T.; Lockyer, N. S.; Loginov, A.; Loreti, M.; Loverre, P.; Lu, R. -S; Lucchesi, D.; Lujan, P.; Lukens, P.; Lungu, G.; Lyons, L.; Lys, J.; Lysak, R.; Lytken, E.; Mack, P.; MacQueen, D.; Madrak, R.; Maeshima, K.; Maki, T.; Maksimovic, P.; Malde, S.; Manca, G.; Margaroli, F.; Marginean, R.; Marino, C.; Martin, A.; Martin, V.; Martínez, M.; Maruyama, T.; Mastrandrea, P.; Matsunaga, H.; Mattson, M. E.; Mazini, R.; Mazzanti, P.; McFarland, K. S.; McIntyre, P.; McNulty, R.; Mehta, A.; Menzemer, S.; Menzione, A.; Merkel, P.; Mesropian, C.; Messina, A.; von der Mey, M.; Miao, T.; Miladinovic, N.; Miles, J.; Miller, R.; Miller, J. S.; Mills, C.; Milnik, M.; Miquel, R.; Mitra, A.; Mitselmakher, G.; Miyamoto, A.; Moggi, N.; Mohr, B.; Moore, R.; Morello, M.; Movilla Fernández, Pedro A.; Mülmenstädt, J.; Mukherjee, A.; Muller, T.; Mumford, R.; Murat, P.; Nachtman, J.; Naganoma, J.; Nahn, S.; Nakano, I.; Napier, A.; Naumov, D.; Necula, V.; Neu, C.; Neubauer, M. S.; Nielsen, J.; Nigmanov, T.; Nodulman, L.; Norniella, O.; Nurse, E.; Ogawa, T.; Oh, S. H.; Oh, Y. D.; Okusawa, T.; Oldeman, R.; Orava, R.; Osterberg, K.; Pagliarone, C.; Palencia, E.; Paoletti, R.; Papadimitriou, Vaia; Paramonov, A. A.; Parks, B.; Pashapour, S.; Patrick, J.; Pauletta, G.; Paulini, M.; Paus, C.; Pellett, D. E.; Penzo, A.; Phillips, T. J.; Piacentino, G.; Piedra, J.; Pinera, L.; Pitts, K.; Plager, C.; Pondrom, L.; Portell, X.; Poukhov, O.; Pounder, N.; Prakoshyn, F.; Pronko, A.; Proudfoot, J.; Ptohos, Fotios; Punzi, G.; Pursley, J.; Rademacker, J.; Rahaman, A.; Rakitin, A.; Rappoccio, S.; Ratnikov, F.; Reisert, B.; Rekovic, V.; Van Remortel, Nick; Renton, P.; Rescigno, M.; Richter, S.; Rimondi, F.; Ristori, L.; Robertson, W. J.; Robson, A.; Rodrigo, T.; Rogers, E.; Rolli, S.; Roser, R.; Rossi, M.; Rossin, R.; Rott, C.; Ruiz, A.; Russ, J.; Rusu, V.; Saarikko, H.; Sabik, S.; Safonov, A.; Sakumoto, W. K.; Salamanna, G.; Saltó, O.; Saltzberg, D.; Sanchez, C.; Santi, L.; Sarkar, S.; Sartori, L.; Sato, K.; Savard, P.; Savoy-Navarro, A.; Scheidle, T.; Schlabach, P.; Schmidt, E. E.; Schmidt, M. P.; Schmitt, M.; Schwarz, T.; Scodellaro, L.; Scott, A. L.; Scribano, A.; Scuri, F.; Sedov, A.; Seidel, S.; Seiya, Y.; Semenov, A.; Sexton-Kennedy, L.; Sfiligoi, I.; Shapiro, M. D.; Shears, T.; Shepard, P. F.; Sherman, D.; Shimojima, M.; Shochet, M.; Shon, Y.; Shreyber, I.; Sidoti, A.; Sinervo, P.; Sisakyan, A.; Sjolin, J.; Skiba, A.; Slaughter, A. J.; Sliwa, K.; Smith, J. R.; Snider, F. D.; Snihur, R.; Soderberg, M.; Soha, A.; Somalwar, S.; Sorin, V.; Spalding, J.; Spezziga, M.; Spinella, F.; Spreitzer, T.; Squillacioti, P.; Stanitzki, M.; Staveris-Polykalas, A.; Denis, R. S.; Stelzer, B.; Stelzer-Chilton, O.; Stentz, D.; Strologas, John; Stuart, D.; Suh, J. S.; Sukhanov, A.; Sumorok, K.; Sun, H.; Suzuki, T.; Taffard, A.; Takashima, R.; Takeuchi, Y.; Takikawa, K.; Tanaka, M.; Tanaka, R.; Tanimoto, N.; Tecchio, M.; Teng, P. K.; Terashi, K.; Tether, S.; Thom, J.; Thompson, A. S.; Thomson, E.; Tipton, P.; Tiwari, V.; Tkaczyk, S.; Toback, D.; Tokar, S.; Tollefson, K.; Tomura, T.; Tonelli, D.; Tönnesmann, M.; Torre, S.; Torretta, D.; Tourneur, S.; Trischuk, W.; Tsuchiya, R.; Tsuno, S.; Turini, N.; Ukegawa, F.; Unverhau, T.; Uozumi, S.; Usynin, D.; Vaiciulis, A.; Vallecorsa, S.; Varganov, A.; Vataga, E.; Velev, G.; Veramendi, G.; Veszprémi, V.; Vidal, R.; Vila, I.; Vilar, R.; Vine, T.; Vollrath, I.; Volobouev, I.; Volpi, G.; Würthwein, F.; Wagner, P.; Wagner, R. G.; Wagner, R. L.; Wagner, W.; Wallny, R.; Walter, T.; Wan, Z.; Wang, S. M.; Warburton, A.; Waschke, S.; Waters, D.; Wester, W. C.; Whitehouse, B.; Whiteson, D.; Wicklund, A. B.; Wicklund, E.; Williams, G.; Williams, H. H.; Wilson, P.; Winer, B. L.; Wittich, P.; Wolbers, S.; Wolfe, C.; Wright, T.; Wu, X.; Wynne, S. M.; Yagil, A.; Yamamoto, K.; Yamaoka, J.; Yamashita, T.; Yang, C.; Yang, U. K.; Yang, Y. C.; Yao, W. M.; Yeh, G. P.; Yoh, J.; Yorita, K.; Yoshida, T.; Yu, G. B.; Yu, I.; Yu, S. S.; Yun, J. C.; Zanello, L.; Zanetti, A.; Zaw, I.; Zetti, F.; Zhang, X.; Zhou, J.; Zucchelli, S. (2006)
      We present the first precise measurement of the Bs0-B̄s0 oscillation frequency Δms. We use 1fb-1 of data from pp̄ collisions at s=1.96TeV collected with the CDF II detector at the Fermilab Tevatron. The sample contains ...
    • Article  

      Modelling and Simulation of Bolted Joints under Harmonic Excitation 

      Oldfield, M.; Ouyang, H.; Mottershead, J. E.; Kyprianou, Andreas (2003)
      Bolted metal joints under harmonic loading exhibit hysteretic behaviour. This is the major source of damping in frame structures with bolted joints, since the material damping of these structures is very small. In this ...
    • Conference Object  

      A multi-band NRI-TL metamaterial-loaded bow-tie antenna 

      Antoniades, Marcos A.; Eleftheriades, G. V. (2011)
      A compact, fully-printed and low-profile bow-tie antenna is proposed, which exhibits multi-band performance by loading a reference bow-tie antenna with series capacitive gaps and shunt inductive strips, to form an asymmetric ...
    • Article  

      Multiband compact printed dipole antennas using NRI-TL metamaterial loading 

      Antoniades, Marcos A.; Eleftheriades, G. V. (2012)
      A compact, fully-printed negative-refractive-index transmission-line (NRI-TL) metamaterial-loaded dipole antenna is proposed, which exhibits multiband resonant characteristics that are not harmonically related. The multiband ...
    • Conference Object  

      Multirate adaptive notch filter with an adaptive bandwidth controller for disk drives 

      Levin, J.; Ioannou, Petros A. (2008)
      This paper presents the simulation results performed of a multirate adaptive notch filter with adaptive bandwidth controller for disk drives. The resonant modes of a disk drive may be uncertain and vary between units, and ...
    • Conference Object  

      A NRI-TL metamaterial-loaded bow-tie antenna 

      Antoniades, Marcos A.; Eleftheriades, G. V. (2011)
      A fully-printed and low-profile bow-tie antenna is proposed, which exhibits multi-band performance by loading a bow-tie antenna with series capacitive gaps and shunt inductive strips, to form an asymmetric two unit-cell ...
    • Article  

      Planar antennas for compact multiband transceivers using a microstrip feedline and multiple open-ended ground slots 

      Antoniades, Marcos A.; Dadgarpour, A.; Razali, A. R.; Abbosh, A. M.; Denidni, T. A. (2015)
      Two planar antennas for compact multiband transceivers are presented, that employ an open-ended microstrip feedline that couples to multiple open-ended ground slots. The effect of separately introducing each of the slots ...
    • Article  

      Reconfigurable Bandwidth Bandpass Filter with Enhanced Out-of-Band Rejection Using π-Section-Loaded Ring Resonator 

      Arain, S.; Vryonides, P.; Abbasi, M. A. B.; Quddious, A.; Antoniades, Marcos A.; Nikolaou, S. (2018)
      A novel ring resonator bandpass filter with reconfigurable bandwidth with central frequency at 2.4 GHz is demonstrated. Theoretical analysis for computing the resonant frequencies is shown, and the design approach of ...
    • Article  

      Sensing CPU Voltage Noise Through Electromagnetic Emanations 

      Hadjilambrou, Z.; Das, S.; Antoniades, Marcos A.; Sazeides, Y. (2018)
      This work proposes sensing CPU voltage noise through wireless electromagnetic (EM) emanations from the CPU. Compared to previous voltage monitoring methodologies, this approach is not intrusive as it does not require direct ...
    • Article  

      Structural modification. Part 1: Rotational receptances 

      Mottershead, J. E.; Kyprianou, Andreas; Ouyang, H. (2005)
      The inverse problem of assigning natural frequencies and antiresonances by a modification to the stiffness, mass and damping of a structure is addressed. Very simple modifications such as the addition of masses and grounded ...
    • Article  

      Structural modification. Part 2: Assignment of natural frequencies and antiresonances by an added beam 

      Kyprianou, Andreas; Mottershead, J. E.; Ouyang, H. (2005)
      In this paper the inverse structural modification problem is solved in order to determine the dimensions of the cross-section of a beam that when added to an original structure will assign natural frequencies or antiresonances ...
    • Article  

      Time resolved infrared absorption studies of geminate recombination and vibrational relaxation in OCIO photochemistry 

      Bolinger, J. C.; Hayes, Sophia C.; Reid, P. J. (2004)
      The first ultrafast time-resolved infrared absorption studies of the geminate recombination and vibrational relaxation dynamics of aqueous chlorine dioxide (OCIO) were presented. The rapid increase in optical density ...
    • Conference Object  

      Vibration Measurement of Occupational Exposed Workers, Experimental Quantification of the Individual Response Parameters for the Estimation of Uncertainty in the Vertical Direction 

      Kyprianou, Andreas; Vazouras, A. (American Society of Civil Engineers (ASCE), 2014)
      The exposure of seated people to whole body vibration has been extensively researched and modelled during the past two decades. The trend is to use the average biodynamic responses. This paper investigates the relation of ...
    • Conference Object  

      What to adapt in a high-performance microprocessor 

      Trancoso, Pedro (2004)
      High-performance processors usually require large amounts of power for their operation. Adapting resources in such processors is very relevant as each application and distinct use of the system has a different demand. A ...