3.1 噪声的评价量 3.2 环境噪声的评价标准与法规

2.1 声音的产生和传播 2.2 声波的描述 2.3 声波的传播特性 2.4 声源的辐射特性

8.1 概述 8.2 隔声结构 8.3 隔声装置 8.4 隔声设计

4.1 测量仪器 4.2 声强及声功率测量 4.3 环境噪声监测方法

Outline Purpose of thermal control systems Review of heat transfer fundamentals Space system thermal analysis Equations Models Analysis programs

Satellite CommunicationsArchitecture Identify Requirements Specify Architectures Determine Link Data Rates Design & Size each link Document your rationale

Spacecraft data processing requires microcomputers and interfaces that are functionally similar to desktop systems However, space systems require: Low power, volume, and mass High reliability and fault tolerance

Software Engineering Research Laboratory Department of Aeronautics and Astronautics Massachusetts Institute of Technology

Space Systems Laboratory Massachusetts Institute of Technology Introduction Introduction Objective : To compare the different imaging configurations for a To compare the different imaging configurations for a Separated Spacecraft Interferometer operating from an Separated Spacecraft Interferometer operating from an Earth’s orbit Earth’s orbit

Why Cost Estimation? Critically important part of system design Too high – lose the contract award Too low – over-run cost plus contracts, company loss on fixed price contracts