chap3

Matlab met spectrum filter code

说明：  MATLAB 7编程 数字信号处理源代码(MATLAB)

This is a matlab code (m file) for using finite element method to solve PDE

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)

说明：  简要介绍了认知无线电中基于能量检测的频谱感知方法,在分析能量检测法原理和性能基础上,研究了噪声的不确定性对检测性能的影响. 仿真表明,能量检测法是一种简单、有效的频谱感知方法.(A brief introduction of cognitive radio spectrum sensing based on energy detection method, the analysis and performance of energy detection principle, based on the uncertainty of the noise effect on detection performance. Simulations show that the energy detection method is a simple, effective spectrum sensing method.)

this is average filter .raw and .bmp file converter.

This software is provided free of charge. As such, the authors assume no responsibility for the programs behavior. While they have been tested and used in-house for three years, no claim is made that biased ARTMAP implementations are correct or bug-free. They are used and provided solely for research and educational purposes. No liability, financial or otherwise, is assumed regarding any application of biased ARTMAP.

MATLAB的部分源代码,与MATLAB数字信号处理与应用一书相配套(MATLAB source code of some)

之字扫描，是在JPEG压缩中使用的一个数据扫描格式。自己在MATLAB中编程实现了正反函数。(zigag scanning is a mode of data scanning in JPEG data hoop.This codes realize the zigzag scanning and the inverse zigzag scanning.)

Motion estimation algorithm - New three step search