2d_musicfangzhen

用于对散射时的最佳仰角分析，包括仰角和方位角(the best angel)

this code correct bias field of MR images

测量EVM的M文件，这是一个很好的程序，适合初学者(evaluate EVM,attribute is Ｍ)

分數階渾沌圖 免用到simulink 趕快收藏唷(Fractional chaos map)

说明：  核极限学习机是一类基于前馈神经网络构建的机器学习系统或方法，适用于监督学习和非监督学习问题。(Kernel limit learning machine is a kind of machine learning system or method based on feedforward neural network, which is suitable for supervised learning and unsupervised learning.)

Eigenfunctions of integrable planar billiards are studied — in particular, the number of nodal domains, ν of the eigenfunctions with Dirichlet boundary conditions are considered. The billiards for which the time-independent Schrö dinger equation (Helmholtz equation) is separable admit trivial expressions for the number of domains. Here, we discover that for all separable and nonseparable integrable billiards, ν satisfies certain difference equations. This has been possible because the eigenfunctions can be classified in families labelled by the same value ofm mod kn, given a particular k, for a set of quantum numbers, m, n. Further, we observe that the patterns in a family are similar and the algebraic representation of the geometrical nodal patterns is found. Instances of this representation are explained in detail to understand the beauty of the patterns. This paper therefore presents a mathematical connection

matlab模拟退火法，包含程序和算例，基于matlab开发的(matlab simulated annealing)

Adaptive Extremum Seeking Control MPPT for PV

衰落信道参数包括多径扩展和多普勒扩展。时不变的多径扩展相当于一个延时抽头滤波器，而多普勒扩展要注意多普勒功率谱密度，通常使用Jakes功率谱、高斯、均匀功率谱。( The fading channel parameters include multipath spreading and Doppler spreading. The time-invariant multipath extension is equivalent to a delay-tap filter, while the Doppler spread should pay attention to Doppler power spectral density, usually using Jakes power spectrum, Gaussian, and uniform power spectrum.)

This toolbox provides routines for working with multiwavelets (which includes scalar wavelets as a special