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本文介绍了直接序列扩频系统中数字Costas环的设计与实现，用来实现载波同步的闭环算法(This paper introduces the direct sequence spread spectrum digital Costas loop in the design and implementation to achieve closed-loop carrier synchronization algorithm)

一些个人收集的小波变换的程序，仅供学习参考，没有什么重要意义(Some of my personal collection of wavelet transform procedures for reference purposes only study, nothing of great significance)

说明：  基于短时能量和过零率的语音端点检测 只能实现单个词的语音端点检测(Based on short-term energy and zero crossing rate of voice activity detection)

Solves Ax = b by Gauss-Seidel method with relaxation.

用matlab实现启发式算法布谷鸟算法在弹簧设计中的应用程序(Application of the heuristic algorithm the cuckoo algorithm in the spring design using matlab )

offset quadrature amplitude modulation

数字通信原理基于matlab仿真计算，采用matlab语言仿真通信原理基础内容：包括随机信号、调制解调、信源信道编码和滤波器等相关通信系统的仿真实现，建议具有matlab使用能力的人使用，对于加深自己对通信原理理论知识的理解很有帮助(Digital Communications Principles Matlab-Based Simulation Approach)

使用此程式可以將yahoo的財務資料讀進matlab內 並且輸出成想要的資料內容 (Use this program to yahoo' s financial data is read into matlab and output to the desired information content)

harmonic mean & geometric mean

接受信号协方差矩阵估计的mvdr自适应算法。 方向图方针效果图(Receiving the signal covariance matrix estimation mvdr adaptive algorithm. Pattern renderings policy)