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检索条件"主题词=Ring array"
37 条 记 录,以下是1-10 订阅
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2-D Slicewise Waveform Inversion of Sound Speed and Acoustic Attenuation for ring array Ultrasound Tomography Based on a Block LU Solver
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IEEE TRANSACTIONS ON MEDICAL IMAGING 2024年 第8期43卷 2988-3000页
作者: Ali, Rehman Mitcham, Trevor M. Brevett, Thurston Agudo, Oscar Calderon Martinez, Cristina Duran Li, Cuiping Doyley, Marvin M. Duric, Nebojsa Univ Rochester Med Ctr Dept Imaging Sci Rochester NY 14642 USA Stanford Univ Dept Elect Engn Stanford CA 94305 USA FrontWave Imaging Barcelona 08025 Spain Imperial Coll London Dept Earth Sci & Engn London SW7 2AZ England Wayne State Univ Karmanos Canc Inst Detroit MI 48201 USA Delphinus Med Technol Novi MI 48374 USA Univ Rochester Dept Elect & Comp Engn Rochester NY 14627 USA Wayne State Univ Karmanos Canc Inst Detroit MI 48201 USA Univ Rochester Dept Elect & Comp Engn Rochester NY 14642 USA
Ultrasound tomography is an emerging imaging modality that uses the transmission of ultrasound through tissue to reconstruct images of its mechanical properties. Initially, ray-based methods were used to reconstruct t... 详细信息
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A complementary split-ring array for compact decoupling 2 x 2 circularly polarized antenna
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MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 2021年 第4期63卷 1294-1303页
作者: Gao, Di Cao, Zhenxin Quan, Xin Xu, Changzhi Chen, Peng Southeast Univ Sch Informat Sci & Engn State Key Lab Millimeter Waves Nanjing 210096 Peoples R China
In this letter, a complementary split-ring array (CSRA) for decoupling compact (edge-to-edge spacing of 0.078 lambda(0)) 2 x 2 circularly polarized (CP) microstrip antenna is proposed. The CSRA is the ground plane wit... 详细信息
来源: 评论
ring array Passive Acoustic Mapping Using Hybrid Heterogeneous Angular Spectrum Method
Ring Array Passive Acoustic Mapping Using Hybrid Heterogeneo...
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IEEE International Ultrasonics Symposium (IUS)
作者: Zhu, Hui Huang, Yiming Jin, Gaofei Cai, Xiran ShanghaiTech Univ Shan Sch Informat Sci & Technol Shanghai 201210 Peoples R China
Passive acoustic mapping (PAM) using a ring array facilitates high-resolution panoramic monitoring of cavitation activities in human breast. While the heterogeneous angular spectrum method has been developed for fast ... 详细信息
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Sound-speed tomography using first-arrival transmission ultrasound for a ring array
Sound-speed tomography using first-arrival transmission ultr...
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Medical Imaging 2007 Conference
作者: Quan, Youli Huang, Lianjie Stanford Univ Dept Geophys Stanford CA 94305 USA Los Alamos Natl Lab Los Alamos NM 87545 USA
Sound-speed tomography images can be used for cancer detection and diagnosis. Tumors have generally higher sound speeds than the surrounding tissue. Quality and resolution of tomography images are primarily determined... 详细信息
来源: 评论
A Study on ring array Imaging Method for Concealing Weapon Detection
A Study on Ring Array Imaging Method for Concealing Weapon D...
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7th International Conference on Communications, Signal Processing, and Systems (CSPS)
作者: Gui, Shuliang Li, Jin Univ Elect Sci & Technol China Sch Informat & Commun Engn Chengdu 611731 Sichuan Peoples R China
In this paper, a ring array imaging method for near-filed security screening is proposed for densely populated areas security imaging. With the fixed transceivers, this method can avoid the motion phase error, which i... 详细信息
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Multielement ring array Based on Minute Size PMUTs for High Acoustic Pressure and Tunable Focus Depth
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SENSORS 2021年 第14期21卷 4786页
作者: Ledesma, Eyglis Zamora, Ivan Uranga, Arantxa Barniol, Nuria Univ Autonoma Barcelona Dept Engn Elect Bellaterra 08193 Spain
This paper presents a multielement annular ring ultrasound transducer formed by individual high-frequency PMUTs (17.5 MHz in air and 8.7 MHz in liquid) intended for high-precision axial focalization and high-performan... 详细信息
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A High-Resolution 3D Ultrasound Imaging System Oriented towards a Specific Application in Breast Cancer Detection Based on a 1 x 256 ring array
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MICROMACHINES 2024年 第2期15卷 209-209页
作者: Zhang, Junhui Wu, Fei Meng, Fansheng Zhang, Guojun Wang, Renxin Yang, Yuhua Cui, Jiangong He, Changde Jia, Licheng Zhang, Wendong North Univ China State Key Lab Instrumentat Sci & Dynam Measurement Taiyuan 030051 Peoples R China North Univ China Sch Instrument & Elect Natl Key Lab Elect Measurement Technol Taiyuan 030051 Peoples R China
This paper presents the design and development of a high-resolution 3D ultrasound imaging system based on a 1 x 256 piezoelectric ring array, achieving an accuracy of 0.1 mm in both ascending and descending modes. The... 详细信息
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Design and Fabrication of a Stacked Three-Phase Piezoelectric Composites ring array Underwater Ultrasound Transducer
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MATERIALS 2021年 第20期14卷 5971页
作者: Xia, Lili Wang, Hongwei Huang, Qiguo Beijing Informat Sci & Technol Univ Sch Sci Beijing 100192 Peoples R China
A stacked three-phase piezoelectric composites ring array underwater ultrasound transducer was developed in this paper. The circular structure of three-phase piezoelectric composite with a large open angle was improve... 详细信息
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Research on the Multi-Element Synthetic Aperture Focusing Technique in Breast Ultrasound Imaging, Based on the ring array
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MICROMACHINES 2022年 第10期13卷 1753-1753页
作者: Wu, Yang Zhang, Wendong Shao, Xingling Yang, Yuhua Zhang, Tian Lei, Miao Wang, Zhihao Gao, Bizhen Hu, Shumin North Univ China State Key Lab Dynam Measurement Technol Taiyuan 030051 Peoples R China North Univ China Sch Instrument & Elect Natl Key Lab Elect Measurement Technol Taiyuan 030051 Peoples R China
As a widely clinical detection method, ultrasonography (US) has been applied to the diagnosis of breast cancer. In this paper, the multi-element synthetic aperture focusing (M-SAF) is applied to the ring array of brea... 详细信息
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GPU-Based Real-Time Volumetric Ultrasound Image Reconstruction for a ring array
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IEEE TRANSACTIONS ON MEDICAL IMAGING 2013年 第7期32卷 1258-1264页
作者: Choe, Jung Woo Nikoozadeh, Amin Oralkan, Oemer Khuri-Yakub, Butrus T. Stanford Univ Edward L Ginzton Lab Stanford CA 94305 USA
Synthetic phased array (SPA) beamforming with Hadamard coding and aperture weighting is an optimal option for real-time volumetric imaging with a ring array, a particularly attractive geometry in intracardiac and intr... 详细信息
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