Ordinary-and-Partial-Differential-Equation-Routin

实现音频信号的合成,利用matlab工具进行了仿真(Realize the synthesis of audio signals using matlab simulation tools)

滑坡时间预报其中根据位移资料的Matlab计算程序(forecasting of the landslides)

Unscented Kalman Filter

说明：  无源雷达接收机的系统仿真设计，包含频率带宽等信号仿真(System Simulation Design of passive radar receiver, including signal simulation frequency bandwidth)

在相控阵基础上，每个阵元增加一个小的频偏形成的频率分集阵列方向图(the pattern of frequency diverse array)

It plots the BER vs SNR for PSK and QAM

利用MATLAB编写的实现纹理图像的分割，但其只是针对部分图像可以达到很好的效果，不具有普遍适应性。(Prepared using MATLAB implementation of texture image segmentation, but only for the portion of the image can be achieved very good results, do not have universal adaptability.)

matlab仿真的STATCOM即svg滤波装置。(matlab simulation of the STATCOM that svg filter.)

fourirer series with matlab calcualation

说明：  通过并行压缩进行二维信号压缩，提出了一种利用并行压缩传感技术对二维信号进行压缩的新方案。根据这个原理，译码器的重新构造可以并行进行。通过对二维信号进行某些排列，可以确保所有列具有大致相同的密度级别，并且可以使用相同的测量矩阵进行采样。这样可以避免二维信号的矢量化，从而大大减小测量矩阵的尺寸。我们证明，如果排列良好，重建均方误差的上限会更紧。为了说明这一方案，我们将其应用于视频压缩并使用不同帧的排列有两种：参考帧的基于Z字形扫描的排列和非参考帧的基于块测试的排列。仿真结果表明，在相同的压缩比下，峰值信噪比比比在无置换情况下可提高3-7db左右。(we propose a new scheme to compress 2D signals using parallel compressed sensing. According to this seheme, the reeonstruction at the decoder can be performed in parallel. By performing certain permutation on a 2D signal, all columns are insured to have approximately the same density level and can be sampled using the same measurement matrix. In this way, vectorization of a 2D signal can be avoided, and thus the size of the measurement matrix can be dramatically reduced. We prove that with a good permutation, we can have a tighter upper bound on reconstruction mean square error. To illustrate this scheme, we apply it to video compression and use two kinds of permutations for different frames: the zigzag-scanbased permutation for reference frames and the block-test-based permutation for non-reference frames. Simulation results show that under the same compression ratio, the peak signal-to-noise ratio can be improved by approximately 3-7 dB compared to the case without permutation.)