extended-euclid

说明：  是matlab语言，对阶跃折射率分布均匀光纤（圆柱型光纤）模型中的光场分布进行了模拟。(Is the matlab language, a step refractive index distribution of the fiber (cylinder-type fiber) model of optical field distribution are simulated.)

说明：  这是用matlab编写的又来绘制KOCH曲线的源代码(This is again written in matlab source code for drawing curves KOCH)

PAM的调制和解调 BER的计算 ISI的眼图(PAM modulation and demodulation BER eye diagram calculation ISI)

间谐波参数估计的TLS—ESPRIT算法,实现在电力系统谐波检测的应用 (Interharmonic estimation of TLS-ESPRIT algorithm, implemented in the application of power system harmonic detection)

用PEG构造法生成LDPC监督矩阵的程序(With PEG construction method to generate LDPC matrix program oversight)

高分辨率雷达 距离向压缩算法滤波器设计 三种方法 全面设计(clc clear all close all 2013年9月28日 ---------------参数---------- Tr=42e-6 fs=9.5e6 K=0.7e11 Nfft=2048 -------------匹配滤波 时域生成-------------- t=(-Tr/2+1/fs:1/fs:Tr/2-1/fs) w = kaiser(length(t),2.5) w=w w = ones(1,length(t)) ht1=w.*exp(-1i*pi*K*t.^2) ht2=w.*exp(1i*pi*K*t.^2) hf1=fft(ht1,Nfft) hf2=fft(ht2,Nfft) figure subplot(211) plot(abs(hf1)) title( 匹配滤波器1 幅频响应 ) subplot(212) plot(phase(hf1)) title( 匹配滤波器1 相位 ) figure subplot(211) plot(abs(hf2)) title( 匹配滤波器2 幅频响应 ) )

MATLAB CODE FOR CHINESE ENGINEERS

短时傅立叶变换应用示例，展示了如何实现三个点频信号在时域上的分离。(Short time fourier transform application example, showing how to set apart three different signals with different frequencies in time domain.)

如下亮度变换功能的函数：负片变换、对数变换、gamma变换、和对比度拉伸变换。(Brightness as a function of conversion functions: negative transformation, logarithmic transformation, gamma conversion, and contrast stretching transformation.)

INTHIS WE ARE ABLE TO SUMMARIZE fourier analysis application in fingerprint