piano_notes_research

基于haari小波变换程序，程序中对彩色和灰度图像均可作处理。(Wavelet transform based on haari procedures, procedures for color and grayscale images can be handled.)

关于IEEE 802.11a 系统的图形界面仿真(The file is "IEEE80211a.mdl" file to be opened using simulink. The model is self-explanatory. It is built up based on the software techniques )

此MATLAB程序实现函数的阶乘功能，经调试，完全正确(Procedures for implementation of this MATLAB function factorial function, with debug, completely correct)

说明：  为了提高认知无线电中感知用户对授权用户(主用户) 的检测概率,提出一种新的基于循环 谱统计量的主用户信号检测算法. 该算法利用循环谱离散频域平滑方法,对信号的循环谱在循环频 率处建立合理的检测统计量,然后求解得到对应不同虚警概率的判决门限,以使感知用户能检测信 噪比更低的授权用户信号.(To increase the detection probability of sensing users for licenced users (primary signals) in the cognitive radio , it put s forward a new primary users signal method based on cyclic spect rum statis2 tics. By using discrete f requency smoothing of cyclic spect rum , this algorithm establishes the reason2 able detection statistics on the cyclic f requency of signal cyclic spect rum , then solves and obtains the decision threshold correspond to different false alarm probability , as a result , making the sensing users can detect licenced users signal under lower signal in noise ratio (SNR) .)

最小二乘支持向量机的训练代码，该代码最多能够训练类别数为8类的数据。(The training code of LSSVM. And it can train no more than eight class datas.)

说明：  matlab 版本的DTOA 多站时差定位技术计算GDOP(matlab DTOA GDOP Location)

music算法仿真程序 music算法是多重信号分类算法(MUSIC METHOD)

Matlab环境下PC与单片机的串行通信及数据处理(Matlab environment PC and MCU serial communications and data processing)

MATLAB6.5接口编程(本人加了目录).(MATLAB6.5 Programming Interface (I added a directory).)

美国轨道谱AAR5铁路轨道空间谱生成程序，主要生成轨距不平顺性。(generate the AAR5 track Rolling and gauge Irregularity)