qaiqingbeng

RELLAX算法，特征提取，目标识别，很好的资料！(RELLAX algorithm, feature extraction, object recognition, very good information!)

说明：  各种C语言基础练习及代码答案，适合C语言初学者。(Basic C language exercises and code answers.)

说明：  经典GNSS软件接收机MATLAB程序，完整捕获跟踪环路。(Classic GNSS software receiver matlab program, complete capture tracking loop.)

起落架源程序代码，供参考学习.起落架源程序代码，供参考学习(Landing gear source code, reference study. The gear source code, reference study)

遗传算法进行优化求多元函数 （Griewank Function）最小解问题(genetic algorithm optimization for multi-function (Griewank Function) Minimum solutions to the problems)

时间序列数据分析中的梅林变换工具，包含特征值与特征向量的提取、训练样本以及最后的识别，基于matlab GUI界面设计。( Time series data analysis Mellin transform tool, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Based on matlab GUI interface design.)

说明：  提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)

该加油站管理系统，通过前台软件对后台数据库进行操作(The gas station management system, through the front of the back-end database software to operate)

QC-LDPC的编译码算法，能够实现对QC-LDPC的SER的仿真(The QC-LDPC codec algorithm for QC-LDPC can achieve the SER simulation)

Project on cryptography related to digital image processing. if anyone wish to perform then can download it. reference papers are also included.