database_mfiles_20070321

基于matlab完成的神经网络源程序，包含神经网络的初始化，学习阶段和训练阶段(Based on the completion of the neural network matlab source code, including initialization of neural networks, learning phase and training phase)

mimoofdm仿真，主要是不同信道估计的对比，可以运行(mimoofdm simulation, mainly comparing different channel estimation can run)

说明：  isar的具体步骤 包括距离和多普勒向压缩 最后生成的isar图像(The specific steps of ISAR include the range and Doppler compression of the final ISAR image)

matlab实现svm，能很好的实现相关反馈(matlab to achieve svm, relevance feedback can be good)

移动通信系统中正交频分复用OFDM的matlab仿真，包括调制和解调等(Mobile communication system in orthogonal frequency division multiplexing OFDM matlab simulation, including the modulation and demodulation, etc)

应用labview实现信号的改进经验模态分解，对初学者有所帮助(Labview is applied to realize the improved empirical mode decomposition of signal, which is helpful for beginners)

主要研究了两种高动态扩频信号快速捕获的方法,即基于FFT 的频域(载波) 并行捕获法和基于FFT 的时域(伪码) 并行捕获法,并使用MATLAB 进行了仿真和比较。仿真结果表明:基于FFT 的频域并行捕获可捕获较大的频偏并跟踪一定 的频率变化率,可用于卫星变轨等高动态、高加速度等飞行过程。而基于FFT 的时域并行捕获可快速捕获码相位,用于在轨飞行的飞行器,可根据轨道参数提前预报其多普勒频偏,但同时需要精密测距的飞行过程。(Research on the quick acquisition method of the high dynamic spread spectrum signals)

提取不变矩提取hu不变矩，速度快，效率高，易用(matlab)

设计的软件锁相环的例子，自己写的，根据原理编的(PLL design example of software that he wrote, according to the principle for the)

primary dual 算法 解决Interior point(primary dual algorithm to solve Interior point)