ofdmfangzhen

卡尔曼滤波是一种高效率的递归滤波器(自回归滤波器), 它能够从一系列的不完全包含噪声的测量(英文:measurement)中，估计动态系统的状态。 (Kalman Filter is a highly efficient recursive filter (autoregressive filter), It can complete a series of noise measurements included (in English : measurement). Dynamic System estimated the state.)

zero crossing feature extraction

最新的电力系统分析软件包 V2.1.8，包含了：PF-潮流计算；CPF-连续潮流；OPF-最优潮流；SSSA-小扰动分析；TDS-时域仿真；GUI-用户人机界面；GNE-自定义模型等功能。经过验证，该工具包已经可以计算上千节点规模的系统。而且该软件包源代码完全公开，因此用户可以根据自己的研究兴趣编写修改相应源代码实现研究目的。(The Power System Analysis Toolbox (PSAT) is a Matlab toolbox for electric power system analysis and simulation. )

PID 调节控制做电机速度控制 凌阳内部经典PID控制资料(The PID control for motor speed control sunplus internal classic PID control information)

用matlab对图象实施预测编码和解码，并将原图象与解码图象进行方差计算。(Using matlab implementation of image predictive coding and decoding, and the original image and the decoded image variance calculations.)

3D Space Coordinate Transformations

说明：  降低ofdm系统峰均比（clipping_slm_pts源码）绝对可以运行 (PAPR reduced OFDM system (clipping_slm_pts source) absolutely can run)

详细给出了线性规划的matlab的实例，简单易懂，便于学习。(Details are given planning matlab examples, easy to understand, easy to learn.)

在matlab上将图像从空间域变换到频率域，主要包括Radon变换和反变换、傅里叶变换和反变换、离散余弦变换和反变换等(In matlab image will be transformed the spatial domain to the frequency domain, including the Radon transform and inverse transform, Fourier transform and inverse transform, the discrete cosine transform and inverse transform)

说明：  光子晶体光纤中空气孔分布均匀时，计算光子晶体光纤的模式有效折射率(The effective RI of the mode propagating in PCF)