Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Shinichi Ohtsuka"'
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Akademický článek
Dynamic Shape Factors of Regular Shaped Agglomerates and Estimation Based on Agglomerate Symmetry – For Rectangular parallelepiped, V-and W-shaped, Hexagonal and H-shaped Agglomerates – [Translated]†
Autor: Tohru Niida, Shinichi Ohtsuka
Publikováno v: KONA Powder and Particle Journal, Vol 15, Iss 0, Pp 202-211 (2014)
Dynamic shape factors for regular-shaped agglomerates, such as rectangular parallelepipeds, V- and W-shapes, and others, have been calculated from their measured terminal settling velocities in the Stokes regime. Experimental results have been analyz
Externí odkaz: https://doaj.org/article/19c902739ba3430bb2736a7e794396c4
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An Automotive LiDAR SoC for 240 × 192-Pixel 225-m-Range Imaging With a 40-Channel 0.0036-mm2 Voltage/Time Dual-Data-Converter-Based AFE
Autor: Hisaaki Katagiri, Hirotomo Ishii, Kentaro Yoshioka, Hiroshi Kubota, Ta Tuan Thanh, Yoshinari Ojima, Hidenori Okuni, Yutaka Ota, Tomohiko Sugimoto, Katsuyuki Kimura, Akihide Sai, Matsumoto Nobu, Masatoshi Hirono, Satoshi Kondo, Shinichi Ohtsuka
Publikováno v: IEEE Journal of Solid-State Circuits. 55:2866-2877
This article presents a 40-channel high-resolution automotive LiDAR system-on-chip (SoC), which utilizes the world’s first dual-data converter (DDC). The proposed DDC consolidates the functions of ADC and TDC into a single circuitry and achieves ac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a19a3a80dedfe81db26aedc10013a0a5
https://doi.org/10.1109/jssc.2020.3020812
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5.1 A 240×192 Pixel 10fps 70klux 225m-Range Automotive LiDAR SoC Using a 40ch 0.0036mm2 Voltage/Time Dual-Data-Converter-Based AFE
Autor: Masatoshi Hirono, Hidenori Okuni, Satoshi Kondo, Yutaka Ota, Yoshinari Ojima, Tomohiko Sugimoto, Hisaaki Katagiri, Shinichi Ohtsuka, Kentaro Yoshioka, Hiroshi Kubota, Katsuyuki Kimura, Hirotomo Ishii, Ta Tuan Thanh, Matsumoto Nobu, Akihide Sai
Publikováno v: ISSCC
A safe and reliable self-driving system is a key enabling technology for a society without traffic jams or accidents; LiDAR plays an essential role for such systems. To ensure higher levels of safety and comfort, early detection of small objects (e.g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c6ee92cdd0a41573808d30c12ccab04
https://doi.org/10.1109/isscc19947.2020.9063148
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Usefulness of the Short–Echo Time Cube Sequence at 3-T Magnetic Resonance Cholangiopancreatography
Autor: Takuya Mizuguchi, Tomohiro Namimoto, Shinichi Ohtsuka, Shinichiro Kusunoki, Yasuyuki Yamashita, Ryo Itatani
Publikováno v: Journal of Computer Assisted Tomography. 40:551-556
OBJECTIVES We evaluated prospectively the clinical use of the short-echo time (TE) Cube sequence for magnetic resonance cholangiopancreatography (MRCP) at 3 T. METHODS Using a 3-T unit, we subjected 41 consecutive patients to short-TE Cube MRCP and c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3de16f0890c35de2c0d39a06d1fc010
https://doi.org/10.1097/rct.0000000000000401
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Linear protrusion structure on carriage-arm surface for reduction of flow-induced carriage vibration in hard disk drives
Autor: Shinji Koganezawa, Kei Funabashi, Shinichi Ohtsuka
Publikováno v: Microsystem Technologies. 17:799-804
One of the major contributors to head positioning errors is carriage vibration in low frequency due to an air flow caused by disk rotation. It is necessary to suppress the disturbance for Hard Disk Drives (HDDs) to have more capacity. We experimental
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce858927323e4e1252daaa5ddab4d6ad
https://doi.org/10.1007/s00542-011-1246-6
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Piezoelectric film attached suspension for detecting disk flutter and reducing track misregistration
Autor: Takeyori Hara, Shinichi Ohtsuka, Kei Funabashi, Shinji Koganezawa, Takuji Matsuzawa
Publikováno v: Microsystem Technologies. 15:1509-1513
To increase the recording density of hard disk drives, high accuracy of head positioning is required. But disk flutter, which is airflow induced vibration, is a major contributor to head positioning error. For detecting disk flutter, we proposed a su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::456ec37c4564c6a20a24fd278b507fdd
https://doi.org/10.1007/s00542-009-0797-2
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The Dynamic Shape Factors of Close Packed Agglomerates and Hollow Agglomerates
Autor: Tohru Niida, Shinichi Ohtsuka
Publikováno v: KAGAKU KOGAKU RONBUNSHU. 21:821-823
The dynamic shape factors of two types of polyhedral shaped agglomerates were measured. One type consists of the close packing of 4 to 12 spheres.on a core sphere (close packed agglomerate, dynamic shape factor ks); the other has the same configurati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7cafb6d2c76955f48eba8dd5e8da53a
https://doi.org/10.1252/kakoronbunshu.21.821
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