pf

说明：   这是一个完整的指纹识别程序，它包括了直方图均衡，Gabor滤波图像增强，方向图过滤，纹理细化，特征提取及特征匹配。其中，特征匹配包含了3种匹配方法，另外还附有PPT，非常值得研究。(Finger Identification)

hello world application for jni test

黄锷论文中EMD和HHT的源程序，已经打包压缩,解压后可以使用(Wong Ngok paper on EMD and HHT source, has been packaged compression, decompression can be used after)

matlab pcma完好的pcma编解码程序(matlab pcma intact pcma decoding process)

matlab program for feature extraction

This toolbox implements an energy-based segmentation algorithm that uses finite-difference based level set evolution.

微动经典文献，可以帮助大家学习微动方面的知识。里面包含三篇文献，都是雷达目标回波的。(Fretting classic literature can help us learn fretting area. Which contains three documents are radar target echo.)

卷积码的编解码，译码采用维特比译码。编码包括zero-biting和tailing-biting两种方式。(Decoding convolutional codes, Viterbi decoding used. Code, including zero-biting and tailing-biting two ways.)

信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。 (Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of the Simulink simulation. QPSK modulation mode of Hamming encoding different signal to noise ratio in the quality of communication.)

地震数据时频分析与分频处理，需要的带走吧，很不错的(Time-frequency analysis and seismic data processing division, need take it away, it is good)