K_MEANS

滚动球轴承滚珠与内外圈刚度计算以及等温条件下内外圈与滚珠的油膜刚度计算(Rolling the ball ball bearings with inner and outer ring stiffness calculation and isothermal conditions inside and outside the ring and ball bearing oil film stiffness calculation)

说明：  利亚普诺夫指数是混沌预测和混沌的重要参数，代码中给出利亚普诺夫指数和wolf算法(Liapunov index and the wolf chaos algorithm)

A Space Vector Modulated STATCOM Based on a Three-Level Neutral Point Clamped Converter

说明：  matlab通过OLEDB方式读取数据库中的数据（Access版）(matlab way through the OLEDB to read data in the database (Access version))

分割,并提取图片中任意物体,matlab编译通过.(segmentation, and extracts the pictures of arbitrary objects, Matlab compile.)

采用最基本的单纯形法编写了matlab程序，可用于求解各种线性规划问题(Matlab procedures used to prepare the basic simplex method can be used to solve a variety of linear programming problems)

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.)

高精度地形数据处理，位错测量与回复，误差分析(High precision terrain data processing; Displacement measurement and recovery; Error analysis)

FDTD+PML计算光子晶体的程序，很有价值的哦(FDTD+ PML procedure for calculating the photonic crystal, valuable Oh)

A very popular book on MATLAB