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检索条件"主题词=2-D array"
40 条 记 录,以下是21-30 订阅
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Fast Orthogonal Row-Column Electronic Scanning Experiments and Comparisons
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IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS ANd FREQUENCY CONTROL 2019年 第6期66卷 1093-1101页
作者: Ceroici, Chris Latham, Katherine Greenlay, Benjamin A. Brown, Jeremy A. Zemp, Roger J. Univ Alberta Dept Elect & Comp Engn Edmonton AB T6G 2R3 Canada Dalhousie Univ Dept Elect & Comp Engn Halifax NS B3H 4R2 Canada
Three-dimensional ultrasound imaging presents the technical challenges of addressing large numbers of elements in 2-d array transducers. Top-orthogonal-to-bottom electrode (TOBE) 2-d transducer arrays can simplify add... 详细信息
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Ex Vivo HIFU Experiments Using a 32 x 32-Element CMUT array
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IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS ANd FREQUENCY CONTROL 2016年 第12期63卷 2150-2158页
作者: Yoon, Hyo-Seon Chang, Chienliu Jang, Ji Hoon Bhuyan, Anshuman Choe, Jung Woo Nikoozadeh, Amin Watkins, Ronald d. Stephens, douglas N. Pauly, Kim Butts Khuri-Yakub, Butrus T. Stanford Univ Edward L Ginzton Lab Stanford CA 94305 USA Apple Inc Cupertino CA 95014 USA Stanford Univ Dept Radiol Stanford CA 94305 USA Univ Calif Davis Dept Biomed Engn Davis CA 95616 USA
High-intensity focused ultrasound (HIFU) has been used as noninvasive treatment for various diseases. For these therapeutic applications, capacitive micromachined ultrasonic transducers (CMUTs) have advantages that ma... 详细信息
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Real-time 3d transesophageal echocardiography
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ULTRASONIC IMAGING 2004年 第4期26卷 217-232页
作者: Pua, EC Idriss, SF Wolf, Pd Smith, SW Duke Univ Dept Biomed Engn Durham NC 27708 USA Duke Univ Med Ctr Dept Pediat Durham NC 27708 USA
Transesophageal echocardiography (TEE) is an essential diagnostic tool in patients with poor transthoracic echocardiographic windows or when detailed imaging of structures distant from the chest wall is necessary. A r... 详细信息
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Two-dimensional Planar array for digital Beamforming and direction-of-Arrival Estimations
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 2009年 第7期58卷 3137-3144页
作者: Kim, Shinho Wang, Yuanxun Ethan Univ Calif Los Angeles Dept Elect Engn Los Angeles CA 90034 USA
A compact uniplanar design of 2-d antenna arrays is presented for digital beamforming (dBF) and direction-of-arrival (dOA) estimations. The array is based on switchable microstrip slot antennas that are series fed in ... 详细信息
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T/R Switch Composed of Three HV-MOSFETs With 12.1-μW Consumption That Enables Per-Channel Self-Loopback AC Tests and-18.1-dB Switching Noise Suppression for 3-d Ultrasound Imaging With 3072-Ch Transceiver
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IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS 2022年 第2期30卷 153-165页
作者: Kajiyama, Shinya Igarashi, Yutaka Yazaki, Toru Katsube, Yusaku Nishimoto, Takuma Nakagawa, Tatsuo Nakamura, Yohei Hayashi, Yoshihiro Kaneko, Takuya Ishikuro, Hiroki Yamawaki, Taizo Hitachi Ltd Ctr Technol Innovat Instrumentat Res & Dev Grp Tokyo 1858601 Japan Hitachi Ltd Ctr Technol Innovat Prod Engn Tokyo 1858601 Japan Hitachi Ltd MONOZUKURI Res & Dev Grp Tokyo 1858601 Japan Hitachi Ltd Ctr Technol Innovat Healthcare Res & Dev Grp Tokyo 1858601 Japan FUJIFILM Healthcare Corp US Diagnost Res & Dev Div Tokyo 1850014 Japan FUJIFILM Healthcare Corp Ultrasound Diagnost Syst Div Tokyo 1850014 Japan Keio Univ Dept Elect & Elect Engn Yokohama Kanagawa 2238522 Japan
This article presents an area- and power-efficient transmission/receiving (TX/RX)-isolation switch implemented in a 3072-ch ultrasound (US) in-probe 2-d array transceiver application-specific integrated circuit (ASIC)... 详细信息
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High-power vertical-cavity surface-emitting lasers for diode pumped solid-state lasers
High-power vertical-cavity surface-emitting lasers for diode...
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Conference on Laser Technology for defense and Security VIII
作者: Van Leeuwen, Robert Xiong, Yihan Seurin, Jean-Francois Xu, Guoyang Miglo, Alexander Wang, Qing Xu, Bing Zou, Wei-Xiong Li, daizong Wynn, James d. Khalfin, Viktor Ghosh, Chuni L. Princeton Optron Inc Princeton NJ 08619 USA
Vertical-cavity surface-emitting lasers can be processed in large two-dimensional arrays of single devices to scale up the power for solid-state laser pumping. These arrays emit in a circular, uniform beam, with a nar... 详细信息
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An Innovative and Simple Impedance Matching Network Using Stacks of Metasurface Sheets to Suppress the Mismatch Between Antennas and RF Front-End Transceivers Circuits  15
An Innovative and Simple Impedance Matching Network Using St...
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15th European Conference on Antennas and Propagation (EuCAP)
作者: Alibakhshikenari, Mohammad Virdee, Bal S. Althuwayb, Ayman A. Falcone, Francisco Limiti, Ernesto Univ Roma Tor Vergata Elect Engn Dept Via Politecn 1 I-00133 Rome RM Italy London Metropolitan Univ Ctr Commun Technol London N7 8DB England Jouf Univ Elect Engn Dept Sakaka 72388 Aljouf Saudi Arabia Univ Publ Navarra Elect Elect & Commun Engn Dept Pamplona Spain Univ Publ Navarra Inst Smart Cities Pamplona 31006 Spain
A innovative and simple impedance matching network is presented that is implemented by stacking together metasurface (MTS) sheets. The technique is shown to reduce the mismatch between free-space and RF front-end ante... 详细信息
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Circularly Polarized Antenna array Based on Open End Waveguide
Circularly Polarized Antenna Array Based on Open End Wavegui...
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International Symposium of Applied-Computational-Electromagnetics-Society (ACES)
作者: Jovicic, Milos M. Kolundzija, Branko M. Univ Belgrade Sch Elect Engn Belgrade Serbia Univ Belgrade Sch Elect Engn Dept Gen Elect Engn Belgrade Serbia
Proposed type of the waveguide 2-d array combines simplicity of the design and manufacturing of the waveguide components with its good performances. Comparing it to the commonly used waveguide slot antennas, they offe... 详细信息
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design method for large 2-d ultrasonic arrays with controlled grating lobes levels
Design method for large 2-D ultrasonic arrays with controlle...
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IEEE Ultrasonics Symposium
作者: Villazon, J. Ibanez, A. Parrilla, M. Nevado, P. CSIC IAI Arganda Del Rey Spain
A major problem in developing 2-d arrays is the large number of elements required for big apertures in order to produce high quality ultrasonic images. Recent advances in transducer technology have made possible to de... 详细信息
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Real-time transrectal 3-d ultrasound using synthetic aperture
Real-time transrectal 3-D ultrasound using synthetic apertur...
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Medical Imaging 2006 Conference
作者: Yen, Jesse T. Seo, Chi Hyung daher, Nadim M. Univ Southern Calif Dept Biomed Engn Los Angeles CA 90089 USA
In previous work, we investigated 3-d synthetic aperture imaging with 2-d array designs for real-time rectilinear volumetric imaging of targets near the transducer such as the breast and carotid artery. Here we presen... 详细信息
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