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Reflection-type holographic disk-type memory using three-dimensional speckle-shift multiplexing
holographic memory reflection-type hologram speckle shift multiplexing
2016/11/22
This review presents a reflection-type holographic memory using three-dimensional(3D) speckle-shift multiplexing. First, the schematic of the proposed memory system was described. Then, experimental d...
We are given a set of weighted unit disks and a set of points in Eu-clidean plane. The minimum weight unit disk cover (WUDC) problem asks for a subset of disks of minimum total weight that covers all ...
A 54 MHz BiCMOS Digital Equalizer for Magnetic Disk Drive
BiCMOS Digital Equalizer Magnetic Disk Drive
2015/8/14
Until recently, only analog bit-detectors have been avail-able for high-speed magnetic-disk recording. Because of high data-rates and strict power consumption limits, digital approaches have been deem...
电子科技大学计算机操作系统课件Chapter 4 Device Management and Disk Scheduling
电子科技大学 计算机操作系统 课件 Chapter 4 Device Management and Disk Scheduling
2014/6/6
电子科技大学计算机操作系统课件Chapter 4 Device Management and Disk Scheduling。
A dual-layer optical disk comprised of a read-only layer and a phase-change layer was designed to perform the read-only and erasable dual-functionality in an optical disk. With the properly designed d...
Optical disk mastering using optical super resolution technique
disk mastering thermal-induced superresolution lithography
2011/11/29
A new laster lithography technique using the effect of optical superresolution can effectively reduce the exposed spot size on a photoresist layer,thus allowing disk mastering toward higher density us...
A volumetric optical disk that has multiple transparent films with optical switching layers is used as a recording medium to increase the number of recording layers. In the disk the optical switching ...
Enhancement of Data Transfer Rate of Phase Change Optical Disk by Doping Nitrogen in Ge–In–Sb–Te Recording Layer
Ge–In–Sb–Te recording material data transfer rate recrystallization speed nitrogen doping
2011/11/25
This work investigated the enhancement of the data transfer rate and/or recrystallization speed of Ge–In–Sb–Te recording material by nitrogen doping. The effects of nitrogen content on the dynamic pro...
果树喷雾用圆盘风扇三维气流速度场数值模拟与验证（Numerical Simulation and Experimental Verification of 3-D Air-velocity Field of Disk Fan Used in Orchard Sprayer）
果树 仿形喷雾 圆盘风扇
2010/12/29
为研究用于果树风送喷雾的圆盘风扇气流速度场分布特性，采用k-ε紊流模型和稳态求解方法，设置合适的边界条件，对单、双风扇不同出口风速的气流速度场进行三维稳态数值模拟和试验验证。结果表明，双风扇同时送风时，在离两风扇中心1~3m的范围内，中心区域的风速明显小于两边的风速，在3~5m的范围内中心区域的风速和两边的风速相差不大。模拟值与试验值对比表明变化趋势一致，二者的拟合直线决定系数R2分别为...
Flow Induced by Non-coaxial Rotations of a Disk and the Fluid at Infinity with Nearly the Same Angular Velocity
Disk Fluid at Infinity Non-coaxial Rotation Viscous Fluid
2009/10/13
In this paper, the flow of a viscous fluid due to the non-coaxial rotations of a disk and the fluid at infinity with a slight angular velocity di erence is studied. The e ect of angular velocity diffe...
Unsteady Viscous Flow Induced by Eccentric-Concentric Rotation of a Disk and the Fluid at Infinity
Eccentric and Concentric Rotation Unsteady Flow Newtonian Fluid
2009/10/12
The unsteady viscous flow produced by a sudden coincidence of two axes while a disk and the fluid at infinity are initially rotating with the same angular velocity about non-coincident axes is examine...
A Class of Nonisothermal Variable Thickness Rotating Disk Problems Solved by Hypergeometric Functions
Thermoelastoplasticity Tresca's criterion Variable thickness Strain hardening
2009/10/10
Exact solutions for nonisothermal variable thickness rotating disks represented by di erent thickness pro les are obtained under plane stress assumption. The solutions are based on Tresca's yield crit...
On the Effectiveness of Uniform Suction and Injection on Steady Rotating Disk Flow in Porous Medium with Heat Transfer
Rotating disk flow Heat Transfer Porous medium Suction or Injection
2009/10/10
The steady flow of an incompressible viscous fluid above an in nite rotating porous disk in a porous medium is studied with heat transfer. A uniform injection or suction is applied through the surface...
Hot disk建模及模型精度分析
模型精度 Hot disk建模
2009/7/15
为了对瞬态平面热源技术进行准确的评估，在简化Hot disk探头结构的基础上，基于瞬态点热源格林函数法给出了Hot disk瞬态平面热源表面平均温度的理想模型推导过程；基于此理想模型并应用Hot disk数据采集系统,针对Pyroceram 9606标准材料在常温常压测量条件下的热导率进行了计算.结果显示，计算值与Hot disk测量值的相对误差为6.17%，实际测量探头热容的存在、测量时间的延迟...
Super-Resolution Recording on an Optical Disk with a Platinum Oxide Layer
Optical disk Super-resolution Platinum oxide
2009/6/8
Bit-by-bit detection is achieved at a recording density of 0.11 μm pits on a super-RENS disk with a platinum oxide layer. Pits and spaces are arranged as a recording pattern for pit position recording...