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说明：  外国人开发的电磁时域有限差分方法工具包 Electromagnetic Finite-Difference Time-Domain (EmFDTD) is a basic two-dimensional FDTD code developed at the School of Electrical Engineering, Sharif University of Technology. This code has been written based on the standard Yee s FDTD algorithm. Applications include propagation, scattering, and diffraction of electromagnetic waves in homogeneous and non-homogeneous isotropic media for in-plane propagating waves. Negative permittivites or permeabilities as well as dispersion is not included. Zero, Periodic, and Perfectly Matched Layer boundary conditions may be selectively applied to the solution domain. The program is best suited for study of propagation and diffraction of electromagnetic waves in Photonic Crystal structures. EmFDTD is written in MATLAB language and has been tested under MATLAB 5.0 and higher versions.(Foreigners developed electromagnetic FDTD method Toolkit Electromagnetic Finite-Difference Time-Domain (EmFDTD) is a basic two-dimensional FDTD code developed at the School of Electrical Engineering, Sharif University of Technology. This code has been written based on the standard Yee s FDTD algorithm. Applications include propagation, scattering, and diffraction of electromagnetic wavesin homogeneous and non-homogeneous isotropic mediafor in-plane propagating waves. Negative permittivites or permeabilities as well as dispersion is not included.Zero, Periodic, and Perfectly Matched Layer boundaryconditions may be selectively applied to the solution domain.The program is best suited for study of propagation anddiffraction of electromagnetic waves in Photonic Crystalstructures.EmFDTD is written in MATLAB language and has beentested under MATLAB 5.0 and higher versions.)

说明：  五接CIC滤波器的simulink仿真，希望对大家有所帮助(Then the five CIC filter simulink simulation, I hope all of you to help)

it is a speech synthesis program which speaks whatever is written in the command window

种大气湍流相位屏仿真函数，可准确模拟大气对激光相位的改变。(An atmospheric turbulence phase screen simulation function, can accurately simulate the atmospheric changes to the laser phase.)

对图像从上到小进行扫描，稍微修改下，也可以左右扫描(The image is scanned from top to small, slightly modified, they can scan around)

用粒子滤波实现对视频中的物体进行跟踪，比如运动小球的跟踪， 语言为matlab。(track mobile object in video)

手写傅里叶反变换，通过矩阵变换实现的傅里叶逆变换，修改读入图像名就可以实现对应图像的傅里叶反变换，并与MATLAB内置函数进行比较(Inverse Fast Fourier Transform)

仿真未编码和进行（7,4）汉明码编码的QPSK调制通过AWGN信道后的误比特率(Simulation is not encoded by AWGN channel bit error rate and the (7,4) Hamming code coded QPSK modulation)

Imaging Processing Hough Transfform

说明：  三点定位算法，利用MATLAB进行仿真，亲测有效。。。(Three-point positioning algorithm, using MATLAB for simulation, pro-test effective)