6.1 系统的设计与校正问题 6.2 常用校正装置及其特性

5.1频率特性及其表示法 5.2典型环节对数频率特性曲线的绘制 5.3极坐标图(Polar plot),幅相频率特性曲线,奈奎斯特曲线 5.3.1积分与微分因子 5.3.2一阶因子 5.3.3二阶因子 5.3.4传递延迟

2.4.1 方块图元素 2.4.2 几个基本概念及术语 2.4.3 方块图的绘制 2.4.4 方块图的简化——等效变换 2.4.5 信号流图和梅逊公式（S·J·Mason）

The nineties 1. Chap. 5 and 6, Spaceflight and the Myth of Presidential Leadership 2. Chap. 7 and 8, Beyond Horizons 3.\National Space Policy 4.The Satellite Remote Sensing Industry 5.\Long Range Plan; Executive Summary of US Space Command 6. State of the Space Industry 1999

The Eighties Reading 1. Chap. 5 and 6, Spaceflight and the myth of Presidential Leadership.\ 2. Chap. 2, \Space Policy: How Technology Economics and Public Policy Intersect.\ 3. Chap. 5 and 6, \Beyond Horizons.\ Strategic Themes

History and Policy in the sixties Reading 1. Spaceflight and the Myth of Presidential Leadership?\Chapters 2&3 2.“ The Heavens and the earth” Chapters 11-22 3.“ Beyond Horizons” Chapter3 Strategic themes The use of the Space Program as a political tool to show the superiority of the

Who is in the Space Enterprise and what are their roles? Reading A. US National Space Policy, http://www.whitehouse.gov/wh/eop/osTp/htmL/ostpHomehtml B.DodSpacePolicyhttp://www.c3i.osd.mil/org/c3is/spacepol/index.html C.Nrohomepagehttp://www.nro.mil D.Nasahomepagehttp://www.nasa.gov/enterprises.html

UNCLASSIFIED Unclassified Sources of Space Policy and Law Custom Domestic and International Laws Treaties and Agreements Policy Statements and Directives -Presidential DoD and The Armed Services Other Government Or

Space Policy Seminar#1 What is space policy? Who makes it and Why is it important? Outlineo Definitions Technical statement and limits A simple model for space policy statements

结构刚度不足对飞机最主要的影响在于, 飞机在飞行速度范围内可能会发生气动弹 性现象,这时的刚度判据就是发生气动弹 性现象时的临界速度V,结构刚度必须要 满足条件V>Vm 气动弹性是与飞机上的气动力、惯性力和 结构的弹性力相关的,是由于飞机在飞行 时载荷作用下的变形和弹性引起的