firefly_algorithm

一个雷达回波模拟的matlab程序包,含有在RCS服从卡方分布,瑞利分布,对数正态分布下目标的的雷达散射截面模拟子程序，(Matlab simulation of a radar package, containing the RCS subject to chi-square distribution, Rayleigh distribution, lognormal distribution of the target' s radar cross section simulation subroutine,)

地球物理学，地震波有限差分二维正演模拟，没加边界条件(Geophysics, two-dimensional finite difference forward modeling of seismic wave, did not increase the boundary conditions)

天线方向图用于画简单的天线方向图，适合初学者学习使用，(the antenna dir)

射频电路设计，微波设计中常常用到的smith原图，本程序利用MATLAB编程画出smith原图，可以帮助射频电路设计，比如画等功率匹配圆，等阻抗圆，等反射系数圆等。(RF circuit design, microwave design is often used smith artwork, this program using MATLAB to draw smith original programming that can help RF circuit design, such as painting and other power matching round, such as impedance circle, so the reflection coefficient circle and so on.)

对于初学matlab的同学会有帮助，有信道编码，调制，信道估计等，分析了该信号的时域、频域、倒谱，循环谱等,详细画出了时域和频域的相关图，保证准确无误，是学习通信的好帮手，外文资料里面的源代码，PLS部分最小二乘工具箱,抑制载波型差分相位调制。( Matlab for beginner students will help, Channel coding, modulation, channel estimation, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Correlation diagram shown in detail the time domain and frequency domain, Ensure accurate communication is learning a good helper, Foreign materials inside the source code, PLS PLS toolbox, Suppressed carrier type differential phase modulation.)

神经网络，用于神经网络的机理模型和建立经验模型．(neural network, for the mechanism of neural network models and model building experience.)

考虑一长度为D，宽度为L的理想均匀面阵天线，并用Matlab画出其二维波束方向图。(Consider an ideal uniform planar array antenna with length D and width L, and draw its two-dimensional beam pattern with MATLAB.)

Pulse Code Modulation (PCM)

GRNN的数据预测-基于广义回归神经网络货运量预测(GRNN data to predict- based on generalized regression neural network volume forecast)

这是一个matlab基于主成分分析的特征提取的源代码(This is a matlab based on principal component analysis, feature extraction source code)