Transistor Tutorial Summary Transistor Tutorial Summary Bipolar Junction Transistor Tutorial We can summarise this transistors tutorial section as follows: The Bipolar Junction Transistor (BJT) is a three layer device constructed form two semiconduct…

Circles and Pi Introduction id: intro-1 For as long as human beings exist, we have looked to the sky and tried to explain life on Earth using the motion of stars, planets and the moon. The Greeks were the first to discover that all celestial objects…

BACKGROUND The present invention relates to video processing systems. Advances in imaging technology have led to high resolution cameras for personal use as well as professional use. Personal uses include digital cameras and camcorders that can captu…

Computer GeneratedAngular Fisheye Projections Written by Paul Bourke May 2001 There are two main idealised fisheye projections common in computer graphics rendering, they are the hemispherical and angular fisheye. They are two from an infinite number…

Americans have long taken pride on their willingness to bet it all on a dream. But that risk-taking spirit appears to be fading. Three long-running trends suggest the U.S. economy has turned soft on risk: Companies add jobs more slowly, even in good…

内核默认的运行地址为PHY_OFFSET+0x8000,即物理地址开始后的0x8000字节处,前面是留给参数用的.参数以atag方式存储,默认放在0x100偏移位置. http://blog.chinaunix.net/uid-20451980-id-1945241.html Linux kernel分析(一) 注:本文为Stephen Du原创,转载请注明 一直想把自己自毕业以来学习Linux kernel的点点滴滴进行一次整理,却总是因工作繁忙而一再推迟.最近把kernel知识进行了一次全面…

Boundary conditions in Fluent Table of Contents 1. Boundary Conditions (BC) 1.1. Turbulence Parameters 1.1.1. Checklist 1.1.2. Reference 1.2. inlet 1.2.1. static pressure 1.3. interior 1.4. pressure outlet 1.4.1. operating pressure 1.4.2. Supersonic/…

          HEC-ResSim Reservoir System Simulation             User's Manual       Version 3.1 May 2013     Approved for Public Release. Distribution Unlimited.     CPD-82 REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188 The public reporting b…

Q:RC-Corner跟PVT怎么组合? A:通常的组合:   Q:通常说的ttcorner指的是啥? A:@孟时光 ttcorner是指管子在tt+RCtyp吧. Typesof corners When working in the schematic domain, weusually only work with frontend of line (FEOL) process corners as these corners willaffect the performance of d…

转载:https://blog.csdn.net/hailin0716/article/details/47169799 之前使用过cadence画过几块板子,一直没有做过整理.每次画图遇到问题时,都查阅操作方法.现在整理一下cadence使用经历,将遇到问题写出来,避免重复犯错. 注:写该篇文章时,感谢于争博士的教学视频和<Cadence SPB 15.7工程实例入门>.同时参考http://bbs.ednchina.com/BLOG_ARTICLE_239675.HTM博客. 使用软件版本…

               本博客所有文章分类的总目录:[总目录]本博客博文总目录-实时更新  开源Math.NET基础数学类库使用总目录:[目录]开源Math.NET基础数学类库使用总目录 1.前言 在前几篇关于Math.NET的博客中(见上面链接),主要是介绍了Math.NET中主要的数值功能,并进行了简单的矩阵向量计算例子,接着使用Math.NET的矩阵等对象,对3种常用的矩阵数据交换格式的读写.一方面可以了解Math.NET的使用,另一方面以后也可以直接读取和保存数据为这两种格式,并在…

10 Minutes to pandas This is a short introduction to pandas, geared mainly for new users. You can see more complex recipes in the Cookbook Customarily, we import as follows: In [1]: import pandas as pd In [2]: import numpy as np In [3]: import matplo…

  层叠结构设置 弹出Layout Cross Section对话框 Subclass Name一列是该层的名称,可以按照自己的需要来填写.Type 列选择该层的类型,有三种: ·CONDUCTOR:走线层: ·PLANE:平面层,如GND平面: ·DIELECTRIC:介电层,即隔离层. Material列设置的是该层的材料,一般根据实际PCB板厂提供的资料来设置.Thickness设置的是该层的厚度,如果是走线层和平面层则是铜皮的厚度.Conductivtl设置的是铜皮的电阻率.Dielec…

1. PCB板型: 1.新建PCB:PCB design ,新建的类型为board ,输入名称和保存位置,设置图纸参数.网格参数. 2.建立PCB板外框:菜单Add下选择相应的工具.在Option选项卡中选择Active Class中的Board Geometry,subclass中选择Outline,命令行中画出外型. 3.放置安装孔:安装孔特殊的通孔焊盘.菜单place->Manually,在弹出的placement对话框中选择,高级选项卡(Advanced Setting),选择Libra…

<英语口译全真试题精解> GPA 3.5 (MTI)  (CPA) ( GRE )  1350分+3.5以上 SAT ( TOEFL )  100分以上 TOEIC BEC (剑桥商务英语) ( GMAT ) x IELTS CET ( TSE ) GRE计算机专项考试 英语中高级口译 GRE Top 12 words anomaly assuage enigma equivocal erudite fervid lucid opaque placate precipitate prodiga…

1.如何在allegro中取消花焊盘(十字焊盘) set up->design parameter ->shape->edit global dynamic shape parameters->Thermal relief connects ->Thru pins ,Smd pins -> full contact 2.allegro 中如何设置等长 setup -> constraints->electrical->net->routing-&…

返回相位(用于测距离,一个全相位代表5m)  D=3*10^8/2f(60M)=5m full-phase(0xffff) 返回LED反射光的振幅和背景光均值 无效数据: B太大 幅度(也是16bits表示)最高位设为1     距离设置为0 A太大(SR4000中设置了阈值来检测) 幅度最高位设为1    距离设为0 绝对精度可达到<1cm 反射率的影响大: 以下说明如何测量物体反射率,考虑2种反射光线: 直反射和漫反射与入射光的能量比例 直反射和漫反射强度的角度分布 漫反射材料:反射系数为0…

散射需要:吸收,内散射,外散射分为瑞利散射Rayleigh Scattering和米氏散射 Mie Scattering  后面会详细讲解 大气中散射由多种原因产生,微粒,尘埃,水蒸气等等 阳光由于散射增加会减弱并变色  物体也会随着距离增加散射增加而减弱并变色 大气光线散射由于 一天中的时间,天气,污染的改变而改变 散射共通篇 Radiometric Quantities辐射度量包括:辐射通量Radiant Flux辐射率Radiance辐照度Irradiance 辐射通量Φ (Radiant…

原文:[原创]开源Math.NET基础数学类库使用(07)一些常用的数学物理常数               本博客所有文章分类的总目录:http://www.cnblogs.com/asxinyu/p/4288836.html 开源Math.NET基础数学类库使用总目录:http://www.cnblogs.com/asxinyu/p/4329737.html 1.前言 在前几篇关于Math.NET的博客中(见上面链接),主要是介绍了Math.NET中主要的数值功能,并进行了简单的矩阵向量计算…

在python中实现数据的可视化,也即作图,一般是依赖matplotlib宏包实现的.但常见的代码中都是加载pylab,是不是这里写错了呀?其实pylib只是matplotlib的一个模块,只是被做成了可以直接调用的形式,所以调用pylab实际上还是调用了matplotlib.pylab的绘图函数和参数名和matlab是非常类似的.鉴于输入法切换的麻烦,在例子源代码中的注释都使用了英文,这并不是从英文网站上拷贝过来的. import pylab 基本设定 虽说pylab绘图和matlab很类似,…

The Dwarves of Middle Earth are renowned for their delving and smithy ability, but they are also master builders. During the time of the dragons, the dwarves found that above ground the buildings that were most resistant to attack were truncated squa…

UG8.0,自从被西门子收购后改名为NX,也称NX8.0,作为一款非常优秀三维模具设计软件.他可以针对用户的虚拟产品设计和工艺设计的需求,提供经过实践验证的解决方案.其以全面的设计概念.良好的界面受到很多用户的喜爱.UG8.0相比之前版本新增了重复命令.约束导航器.只读部件提示和创建层分类工具.博主在此提供了ug8.0破解中文版下载,内含32和64位两个数据包,并附有破解文件,以下是详细的安装教程,大家按照步骤安装即可.下载地址:UG8.0 注意事项 1.建议卸载老版本ug,防止不兼容等问题.2…

转自:http://blog.chinaunix.net/uid-25909619-id-4938389.html 在完成了zImage自解压之后,就跳转到了解压后的内核(也就是vmlinux的bin版本Image),具体的入口可以在arch/arm/kernel/vmlinux.lds.S(最终的链接脚本是通过这个文件产生的)中获得: ...... SECTIONS { #ifdef CONFIG_XIP_KERNEL . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADD…

10 Minutes to pandas 英文原文:https://pandas.pydata.org/pandas-docs/stable/10min.html 版本:pandas 0.23.4 采集日期:2019-01-16 注:10分钟只够看完,囫囵吞枣. 参阅:10分钟学pandas 本文是对 pandas 的简短介绍,主要面向新用户.更加复杂的用法可以在 Cookbook 中查看. 按惯例导入语句可如下所示: In [1]: import pandas as pd In [2]: im…

A Absolute Mode Transform Type-in绝对坐标方式变换输入 Absolute/Relative Snap Toggle Mode绝对/相对捕捉开关模式 ACIS Options ACIS选项 Activate活动:激活 Activate All Maps激活全部贴图 Activate Grid激活栅格.激活网格 Activate Grid Object激活网格对象:激活网格物体 Activate Home Grid激活主栅格:激活主网格 ActiveShade实时渲染…

原文出处:http://pandas.pydata.org/pandas-docs/stable/10min.html 10 Minutes to pandas This is a short introduction to pandas, geared mainly for new users. You can see more complex recipes in the Cookbook Customarily, we import as follows: In [1]: import p…

10 Minutes to pandas This is a short introduction to pandas, geared mainly for new users. You can see more complex recipes in the Cookbook Customarily, we import as follows: In [1]: import pandas as pd In [2]: import numpy as np In [3]: import matplo…

本文为CoryXie原创译文,转载及有任何问题请联系cory.xie#gmail.com. 本章列出并定义本规范通篇将使用的术语及缩略语. 术语/略缩语 定义 ACK(确认包) 表示积极肯定的握手包. ACK Tx Header Sequence Number(ACK Tx 头包序列号) 等待确认的链路控制字中期望的头包序列号. Active Device(活动设备) 处于供电状态而不是挂起状态的设备. Asynchronous Data(异步数据) 对时延要求宽松的,不定期的(irregula…

来自:https://blog.csdn.net/datase/article/details/79797795 File open:打开 save:保存 Global Shift settings:设置最大绝对坐标,最大实体对角线 Primitive Factory:对点云进行原始加工,改变原始点云的形状 3D mouse:对3D鼠标(如3Dconnexion)的支持 Close all:关闭所有打开的实体 Quit:退出 Edit: Clone:克隆选中的点云 Merge:合并两个或者多个实…

转载自:http://www.cnblogs.com/fortran/articles/1996927.html boundaryFoam Steady-state solver for 1D turbulent flow,typically to generate boundary layer conditions at an inlet, for use in a simulation Example Problems: boundaryLaunderSharma model which h…