Zobrazeno 1 - 10
of 75
pro vyhledávání: '"李建新"'
Publikováno v:
Jianzhu Gangjiegou Jinzhan, Vol 11, Pp 48-55 (2009)
深圳卓越.皇岗世纪中心项目二号塔楼建筑物主体高度238m,核心筒部分及屋顶钢架高度升至260m,核心筒高宽比为17.3,属超B级高层建筑。针对本工程的具体特点,文章着重论述了结构设计的策略。
Externí odkaz:
https://doaj.org/article/09f751bbda1a482c89ec573f80dfff5a
Publikováno v:
Tongxin xuebao, Vol , Pp 100-105 (2001)
Externí odkaz:
https://doaj.org/article/b81e60d0e0d14cf28538212439a25f57
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 37-41 (2000)
利用理论分析和数值模拟的方法 ,计算了光纤光栅中反射带隙附近光场满足的色散关系 ,分析了传输脉冲的相速度、群速度与群速度色散 ( GVD) .在此基础上讨论了光纤光栅中基态孤子形成
Externí odkaz:
https://doaj.org/article/263760eace144833898875c8468d9666
Publikováno v:
Tongxin xuebao, Vol (1999)
Externí odkaz:
https://doaj.org/article/93057a110559452b8d09bca44af962a0
Publikováno v:
Guangtongxin yanjiu, Vol , p 0 (1998)
利用变分原理研究了双芯耦合光纤中具有线性啁啾的光孤子之间的相互作用,得到了啁啾的演化表达式。发现,啁啾增大了孤子之间的相互作用势。本文提出了减弱孤子相互作用的新方案。
Externí odkaz:
https://doaj.org/article/9336b03f8c13450abe091054dea8886b
Publikováno v:
Journal of Tiangong University; Oct2024, Vol. 43 Issue 5, p51-58, 8p
Autor:
Jian-Sin Li, 李建新
97
In this study, we propose a new active contour model based segmentation method for breast tumor in ultrasound images. An initial contour is marked automatically and the corresponding parameters are used to enhance the convergence effect of ov
In this study, we propose a new active contour model based segmentation method for breast tumor in ultrasound images. An initial contour is marked automatically and the corresponding parameters are used to enhance the convergence effect of ov
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/69108440680549658636
Publikováno v:
Electrical Measurement & Instrumentation; Mar2024, Vol. 61 Issue 3, p199-205, 7p