sweeper

一种改进的图像压缩方法及其Matlab实现，希望对大家有所帮助(An improved image compression method and its Matlab, we hope to help)

this expalins gray pridiction algo for localisation method...........................

通信系统中调制解调串并转换，符号映射，载波调制，相干解调等模块的matlab仿真文件，适合通信工程中的调制技术的仿真工作(Communication system and installed for the modem string, symbol mapping, modulation, coherent demodulation module matlab simulation files, suitable for simulation of communication engineering work modulation techniques)

用最小二乘法反应雷达得到的图像，得到各种数据特征参数(Reaction of the least square method to obtain the radar image data to obtain various characteristic parameters)

the code has written by fortran language and extend finite element method (XFEM) in order to calculate grow of crack in material

使用支持向量机进行数据的分类预测，所需样本数据较少，且预测精度高，分类效果较好。(Using support vector machines for data classification prediction, requires less sample data, and predict high precision, classification better.)

说明：  任务：设计一个4×2.5Gbit/s 长距离光纤传输系统，并利用OptiSystem 仿真验证。 要求： 1．采用波分复用技术，波长设置以100GHz 为间隔，频率分别为193.1THz、193.2THz、193.3THz、193.4THz，每个波长传输速率为2.5Gbit/s（NRZ），传输距离为300km。采用常规光纤，光纤损耗系数为0.25dB/km。 2．单通道光发送机最大输出功率为0dBm，光接收机的接收光功率不低于－26dBm，过载点为－10dBm。 3．可以采用EDFA 作为线路放大器，其中EDFA 的输入功率限制在－18～2dBm，最大输出功率20dBm，增益范围为13～25dB，噪声指数4.0dB。(Task: Design a 4 x 2.5 Gbit/s long-distance optical fiber transmission system, and use OptiSystem simulation to verify. Requirement: 1. Using wavelength division multiplexing technology, the wavelength is set at 100GHz intervals, with frequencies of 193.1 THz, 193.2 THz, 193.3 THz and 193.4 THz, respectively. The transmission rate of each wavelength is 2.5 Gbit/s (NRZ), and the transmission distance is 300 km. The loss coefficient of conventional optical fibers is 0.25dB/km. 2. The maximum output power of a single-channel optical transmitter is 0 dBm, and the receiving power of an optical receiver is not less than -26 dBm, and the overload point is -10 dBm. 3. EDFA can be used as line amplifier, where the input power of EDFA is limited to - 18-2dBm, the maximum output power is 20dBm, the gain range is 13-25dB, and the noise index is 4.0dB.)

说明：  matlab 和c或者c++ 接口程序，采用mex技术和matlab 计算引擎方式，可以提高matlab运行效率(matlab and c or c++ interface program using matlab calculation mex engine technology and methods can improve the operating efficiency matlab)

不错的规划的程序，matlab语言写的，适合对规划感兴趣的的初学者和编程人员。(Good planning process, matlab language written for the planning of interest to the beginners and programmers.)

kalman滤波程序，Matlab编写的程序(kalman filtering procedures, Matlab preparation procedures)