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说明：  说课中常见的三个问题探讨 目前中小学教师说课的问题不少。本文仅就中小学语文教师说课中常见的三个问题提出探讨(Speaking Lesson 3 Common Problems of secondary and primary teachers Speaking Lesson lot of problems. This article far as language teachers in primary and secondary schools common Talking about the class of the three issues)

一种异结构分数阶混沌系统投影同步的新方法_黄丽莲(A heterologous structural projective synchronization of fractional order chaotic systems new method _ Huang Lilian)

这是有关正弦波频率估计的几种算法，包括过零点检测，rife算法，music算法，levensen法，周期图法等7种不同算法。(This is several algorithm for frequency estimation of sinusoid, including zero crossing detection, rife algorithm, music algorithm, levensen method, periodogram method 7 different algorithms.)

50欧姆,100欧姆板厚1.0MM8层板阻抗设计-金百泽阻抗控制结构确认函(1mm8layout100ohm50ohm Impedance matching )

采用热核构造权重，小波包分析提取振动信号中的特征频率，利用自然梯度算法。( Thermonuclear using weighting factors Wavelet packet analysis to extract vibration signal characteristic frequency, Use of natural gradient algorithm.)

基于MATLAB的线性调频信号产生以及频谱分析，某雷达参数下的模糊函数及自相关函数仿真分析。(MATLAB based on the linear frequency modulation signal generator and spectrum analyzer, a parameter under the radar ambiguity function and autocorrelation function simulation analysis.)

水下多目标检测算法（AIC）——matlab程序 detection_AIC.rar (2 K) 很简单的一个算法程序，初学者进来看看。(Underwater multi-target detection algorithm (AIC)- matlab program detection_AIC.rar (2 K) of an algorithm is very simple procedure, come take a look at beginners.)

说明：  time delay estimator

VLE calculation - scmr

Steven M. Kay统计信号处理基础一书的解答(The solution of Fundamentals_Of_Statistical_Signal_Processing)