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《嵌入式系统》课程由车辆工程教研室刘海洋教师主讲,该课程是农业电气化专业的核心课程之一,融合了计算机件技术、通信技术、电子技术和单片机原理及应用等课程的相关知识。本课程综合农电专业现行课程体系和专业应用需求,结合自制的嵌入式系统综合实验与开发平台,以MSC-51内核单片机C8051F120为核心处理器,将实践教学内容融入理论授课过程。在讲述嵌入式操作系统的基本原理、移植过程、程序结构组成和系统综合...
This paper presents an approach for tracking paper documents on the desk over time and automatically linking them to the corresponding electronic documents using an overhead video camera. We demons...
Digital photography has made it possible to quickly and easily take a pair of images of low-light environments: one with flash to capture detail and one without flash to capture ambient illumination...
This paper describes how a physical simulation can be integrated with our Responsive Workbench system to support complex assembly tasks involving multiple hands and users. Our system uses the CORIO...
We present the two-user Responsive Workbench: a projectionbased virtual reality system that allows two people to simultaneously view individual stereoscopic image pairs from their own viewpoints. T...
Proton++ is a declarative multitouch framework that allows developers to describe multitouch gestures as regular expressions of touch event symbols. It builds on the Proton framework by allowing de...
能耗是制约便携式智能设备发展的重要瓶颈.随着嵌入式操作系统的广泛应用,因不能合理使用操作系统的API而导致的能耗错误已经成为各种嵌入式应用开发过程中不容忽视的因素.为减少应用中的能耗错误,以符号执行技术为基础,根据禁止休眠类能耗错误的特点,设计了对应的能耗错误检测方法.该方法首先利用过程内分析,获得单个函数的符号执行信息.然后借助过程间分析对单个函数的符号执行信息进行全局综合,得到更为精确的执行开...
Many system errors do not emerge unless some intricate sequence of events occurs. In practice, this means that most systems have errors that only trigger after days or weeks of execution. Model checki...
This paper shows how to use model checking to find serious errors in file systems. Model checking is a formal verification technique tuned for finding corner-case errors by comprehensively exploring t...
Many current systems allow data produced by potentially malicious sources to be mounted as a file system. File system code must check this data for dangerous values or invariant violations before usin...
A major obstacle to finding program errors in a real system is knowing what correctness rules the system must obey. These rules are often undocumented or specified in an ad hoc manner. This paper demo...
The ITTC project provides tools and an infrastructure for building intrusion tolerant applications. Rather than prevent intrusions or detect them after the fact, the ITTC system ensures that the compr...
Exchange of digitally signed certificates is often used to establish mutual trust between strangers that wish to share resources or to conduct business transactions. Automated Trust Negotiation (ATN) ...
We propose a fully functional identity-based encryption scheme (IBE). The scheme has chosen ciphertext security in the random oracle model assuming an elliptic curve variant of the computational Diffi...

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