An Instructional Laboratory for Digital Signal Processing and Communications

数字信号处理和通信教学实验室

• 批准号: 9552427
• 负责人: Robert Morley
• 金额: $ 2.5万
• 依托单位: Washington University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-07-01 至 1997-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9552427&HistoricalAwards=false
• 关键词: Instructional; Laboratory; Digital; Signal; Processing

Linear Systems and Circuits These laboratory exercises are designed to introduce students to the fundamental properties of electro-optic devices, as well as the properties of classical optics. The topics covered in the lectures and accompanying experiments include semiconductor lasers, photodetectors, thin lenses, diffraction gratings, beam splitters, polarization, and the basics of ray-tracing. The motivation behind the exercises is the optical section of the CD player. The final experiment includes design and construction of a large-scale version of the CD optical system. This is used to demonstrate the various optical signals that are read from the CD and to show how the optical section is related to the electronics (digital audio signals) and servo (focus and tracking signals) systems. Electromagnetics The goal of this group of laboratory exercises is to bring a variety of electromagnetic fundamentals employed in CD technology to the attention of the students. Optics and Optical Devices This laboratory exercise is designed to introduce students to some of the properties of continuous-time and discrete-time, linear, and time-invariant systems. Topics covered in both lecture and laboratory exercises include Fourier analysis, frequency response, Kirchhoff's and Ohm's laws, power transfer and impedance matching, operational amplifiers, analog-to-digital and digital-to-analog conversion (ADC and DAC), quantization effects, sampling, and aliasing. Each of these topics is motivated through the use of audio band circuits and computer simulations.

线性系统和电路这些实验室练习旨在向学生介绍电光器件的基本特性以及经典光学的特性。 讲座和附带实验涵盖的主题包括半导体激光器、光电探测器、薄透镜、衍射光栅、分束器、偏振和光线追踪的基础知识。 练习背后的动机是 CD 播放器的光学部分。 最终实验包括设计和构建大型版本的 CD 光学系统。 它用于演示从 CD 读取的各种光学信号，并展示光学部分如何与电子（数字音频信号）和伺服（聚焦和跟踪信号）系统相关。 电磁学 这组实验练习的目标是让学生注意 CD 技术中使用的各种电磁基础知识。 光学和光学器件本实验练习旨在向学生介绍连续时间和离散时间、线性和时不变系统的一些特性。 讲座和实验练习涵盖的主题包括傅立叶分析、频率响应、基尔霍夫定律和欧姆定律、功率传输和阻抗匹配、运算放大器、模数和数模转换（ADC 和 DAC）、量化效应、采样和混叠。 这些主题中的每一个都是通过使用音频电路和计算机模拟来激发的。