In order to get the formulae for calculating the equivalent frame width coefficient of reinforced concrete hollow slab-column structures with edge beam,the finite element structural program was used in the elastic ana...In order to get the formulae for calculating the equivalent frame width coefficient of reinforced concrete hollow slab-column structures with edge beam,the finite element structural program was used in the elastic analysis of reinforced concrete hollow slab-column structure with different dimensions to study internal relationship between effective beam width and the frame dimensions.In addition,the formulas for calculating the increasing coefficient of edge beam were also obtained.展开更多
列级读出电路是目前提升平面图像传感器读出效率最为明显的方式,但是对于亿级像素超大面阵规模下的大数据大负载高速读出,列级到输出级并串转换中的列级缓冲设计面临极大的挑战.本文提出一种基于双反馈环路的列级缓冲设计方法,该方法通...列级读出电路是目前提升平面图像传感器读出效率最为明显的方式,但是对于亿级像素超大面阵规模下的大数据大负载高速读出,列级到输出级并串转换中的列级缓冲设计面临极大的挑战.本文提出一种基于双反馈环路的列级缓冲设计方法,该方法通过在列级缓冲的近端输出与远端输出间实现双反馈环路,有效抑制了列级总线的超大寄生参数对建立时间的影响,同时确保了低噪声高动态下的模拟信号精度.基于55 nm互补金属氧化物半导体(Complementary Metal Oxide Semiconductor,CMOS)工艺,在一款12288×12288像素规模的红外图像传感器中进行了成功的应用,结果表明:与传统列级缓冲相比,本文提出的双反馈环路列级缓冲设计方法可以将上升建立时间缩短23.4%,下降建立时间缩短21.9%,亿级高速图像传感器的帧率提升29.6%.展开更多
文摘In order to get the formulae for calculating the equivalent frame width coefficient of reinforced concrete hollow slab-column structures with edge beam,the finite element structural program was used in the elastic analysis of reinforced concrete hollow slab-column structure with different dimensions to study internal relationship between effective beam width and the frame dimensions.In addition,the formulas for calculating the increasing coefficient of edge beam were also obtained.
文摘列级读出电路是目前提升平面图像传感器读出效率最为明显的方式,但是对于亿级像素超大面阵规模下的大数据大负载高速读出,列级到输出级并串转换中的列级缓冲设计面临极大的挑战.本文提出一种基于双反馈环路的列级缓冲设计方法,该方法通过在列级缓冲的近端输出与远端输出间实现双反馈环路,有效抑制了列级总线的超大寄生参数对建立时间的影响,同时确保了低噪声高动态下的模拟信号精度.基于55 nm互补金属氧化物半导体(Complementary Metal Oxide Semiconductor,CMOS)工艺,在一款12288×12288像素规模的红外图像传感器中进行了成功的应用,结果表明:与传统列级缓冲相比,本文提出的双反馈环路列级缓冲设计方法可以将上升建立时间缩短23.4%,下降建立时间缩短21.9%,亿级高速图像传感器的帧率提升29.6%.
