Unit Four Five symbols of america Five symbols of america Learn some important new words and phrases Appreciate the passage in section A Comprehension of the material in section A 1. Communicative method 2. Audio-lingual method 3. Grammar-translation method

Cognitive Robotics Outline Temporal Action Graph Walksat: Stochastic Local Search Better Neighbor Relaxed Plan A. Gerevini, A. Saetti, I. Serina \Planning through Stochastic Local Search and Temporal Action Graphs\, to appear in Journal of Artificial Intelligence

数字图象处理的方法主要分为两大类:一个是空间域处理法,一 个是频域法(或称变换域法)。在频域法处理中最为关键的预处理便 是变换处理。变换理论在图像处理中起着关键作用,二维变换已被用于图像增强、图象复原、图象编码、图象描绘和图象特征抽取等方面当矩阵的逆矩阵等于其复数共轭转置矩阵时,叫酉矩阵。即设A和A为二维酉矩阵

Brian C Williams, copyright 2000 Mode estimation Mode reconfiguration Select a most likely set of Select a least cost set of component modes that are commandable component consistent with the model and modes that entail the current observations

Mapping Topics: Topological Maps SLAM HMMs Revisited Additional reading: B. J. Kuipers Y.-T. Byun. 1991. \A robot exploration and mapping strategy based on a semantic hierarchy of spatial rep rstations. jour. s and

Images taken from slides by B. Bayazit, G. Dudek, J. C. Latombe and. Moore Robot Motion Planning and (a little)Computational Geometry Topics: Transforms Topological Methods Configuration space Skeletonization Potential Functions Cell-decomposition Methods Non-holonomic Motion Collision

What is life? 人生是路,铺满鲜花,也布满荆棘。 人生是烛,照亮别人,却燃尽自己。 Life is a road, strewn with flowers and beset with brambles. Life is a candle, illuminating others and burning itself out. 生不带来,死不带去。 At birth, we bring nothing; at death we take away nothing

一、单项选择题(2分/题) 1、载波同步系统有两个重要参数也就是同步建立时间ts和同步保持时间tc,通常我们希望:a、ts大,tc大b、ts大,tc小c、ts小tc大d、ts小,tc小 2、散弹噪声、热噪声和宇宙噪声都属于:a、电路噪声b、自然噪声c、起伏噪声d、窄带噪声

一、单项选择题(2分/题) 1、选用 传输形式,系统的频带利用率最高 a、理想低通b、余弦滚降c、直线滚将d、升余弦 2、如果一个线性系统的输入随机过程是高斯的那么线性系统的输出服从: a、均匀分布b、高斯分布c、瑞利分布d、莱斯分布

26.1 Some important discoveries at the end of the 20th century a. Measured the charge of the cathode rays; b. Make a static electric deflection of the cathode rays; . Measured the charge to mass ratio of the cathode rays;