静压预制管桩施工工艺.ppt
2022-12-09 14:18:51 3.57MB
3.7.1自相关函数 语音信号s(m)经窗长N的窗口截取为一段加窗语音信号Sn(m)后,定义Sn(m)的自相关函数(AFC)Rn(k)为: Rn(k)不为零的范围为k=(-N+1)~(N-1),且为偶函数 浊音信号的自相关函数在基音周期的整数倍位置上出现峰值; 清音信号的自相关函数没有明显的峰值出现。 因此检测是否有峰值就可判断是清音或浊音,检测峰值的位置就可提取基音周期值。
2022-12-09 13:28:39 1.83MB 语音信号 基因周期估计
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8-2幅度键控的OOK生成
2022-12-09 12:29:02 1.47MB OOK法生成
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电力系统 牛顿拉夫逊潮流计算程序 含经典算例图例,修改方便。
2022-12-09 11:58:23 8KB 潮流计算  电力系统 NR法 经典算例
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Android应用开发
2022-12-09 09:21:59 1.2MB Android 应用开发
JAVAC源码 LR分析 以及一个JAVA的词分析 ,肯定不会后悔的
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机械制图PPT(第七章-尺寸注).ppt
2022-12-08 19:19:54 1.92MB
一个完整的3G码分多址matlab仿真~采用的是正弦波叠加模拟瑞利衰落
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Introduction to Finite and Spectral Element Methods Using MATLAB®Second Edition This book contains information obtained from authentic and highly regarded sources. Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the consequences of their use. The authors and publishers have attempted to trace the copyright holders of all material reproduced in this publication and apologize to copyright holders if permission to publish in this form has not been obtained. If any copyright material has not been acknowledged please write and let us know so we may rectify in any future reprint.
2022-12-08 16:19:17 1.82MB Matlab 有限元 谱元法 微分方程数值解法
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用LL(1)分析分析高级语言表达式。了解LL(1)分析器的工作过程
2022-12-07 20:39:43 8KB 自顶向下 LL(1) 编译原理
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