点击切换搜索课件文库搜索结果(2032)
文档格式:PPT 文档大小:302.5KB 文档页数:7
一、问题的提出 从码间串扰的表示式可以看出,只要 anrl(k-n)T+t=0 n≠k 即可消除码间串扰
文档格式:PPT 文档大小:50KB 文档页数:1
一、低通信号的抽样 一个频带限制在(0,fHz内的时间连续信 号m(t),如果以T≤1/2f秒的间隔对它进行等间隔抽 样,则m()将被所得到的抽样值完全确定
文档格式:PDF 文档大小:161.72KB 文档页数:6
For the differential system characterized by its equations of state,specialization to invariance means that the system matrices A, B,C are constants
文档格式:PPT 文档大小:427.5KB 文档页数:47
一、DF按频率特性分类 可分为低通、高通、带通、带阻和全通, 其特点为: (1)频率变量以数字频率O表示,=QT, Ω为模拟角频率,T为抽样时间间隔; (2)以数字抽样频率0=2·T=2元为周期; (3)频率特性只限于≤/2=π范围,这是因为依取样定理,实际频率特性只能为抽样频率的一半
文档格式:PDF 文档大小:329.55KB 文档页数:8
Prof vander Velde Use error between early and late indicator to lock onto signal. Error is a linear function of shift, within the range (-T,T) Return to the 1 st example process and take the case where the change points are Poisson distributed
文档格式:PDF 文档大小:161.15KB 文档页数:16
能熟练掌握流体(特别是气体)的各种类型的P、V、T关系(包括状态方程法和对应状态法)及其应用、优缺点和应用范围
文档格式:PDF 文档大小:505.65KB 文档页数:35
National Income: Where t comes From and where丨 t Goes A large income is the best recipe for happiness I ever heard of. Jane Austen The most important macroeconomic variable is gross domestic product(GDP) As we have seen, GDP measures both a nations total output of goods and ser- vices and its total income. To appreciate the significance of GDP, one need only take a quick look at international data: compared with their poorer counterparts, nations with a high level of gDP per person have everything from better child-
文档格式:PDF 文档大小:2.14MB 文档页数:52
T细胞的抗原识别: 初始αBT细胞TCR与APC表面递呈的MHC-肽复合 物结合。 aT细胞识别抗原具有MHC限制性: CD4+aT细胞识别APC递呈的MHC1-肽复合物; D8+aT细胞识别APC递呈的MHC-肽复合物
文档格式:PPT 文档大小:955.5KB 文档页数:48
当fi(t),f2(t)为时限函 数时,如何借助图解来确定卷 积的有效积分限呢?
文档格式:PDF 文档大小:136.58KB 文档页数:7
9.1 Introduction Richard C. Dorf 9.2 Three-Phase Connections University of California, Davis 9.3 Wye Delta Transformations 9.1 Introduction Two very important two-ports are the T and II networks shown in Fig. 9.1. Because we encounter these two
首页上页4344454647484950下页末页
热门关键字
搜索一下,找到相关课件或文库资源 2032 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有