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指纹图像特征提取，采用matlab编程实现(Fingerprint image feature extraction, using matlab programming)

用romberg方法计算定积分，数值积分的一种常用方法(use romberg method)

说明：  小波谱分析mallat算法经典程序，希望对大家有所帮助！(Classical algorithm for spectral analysis mallat a small program, we want to help!)

1.对原图像高斯平滑 　　2.对高斯平滑后的图像进行sobel边缘检测。这里需要求横的和竖的还有联合的，所以一共三个需要sobel边缘检测图像。 　　3.对联合的sobel检测图像进行非极大抑制 　　4.连接边缘点并进行滞后阈值处理。 (1. Gaussian smoothing the original image 2. Gaussian smoothed image was sobel edge detection. Here and there on request transverse vertical joint, so a total of three required sobel edge detection image. 3. sobel joint detection image greatly inhibit non- 4. Connect the edge point and hysteresis thresholding.)

matlab code for slm in the ofdm system .OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data streams or channels.

使用matlab进行有限长fir滤波器设计，要求写出代码画出仿真图形(design fir)

two Matlab functions for initializing and training a recurrent neural network (two Matlab functions for initializing and training a recurrent neural network)

Three phase rectifier open loop operation demonstrated. 3 Leg converter use SPWM to produce DC output. Features: - Ability to control output dc voltage by varying the modulation index - Optional feature to inject 3rd Harmonic Injection if required. - Automated post simulation plots to demonstrate input & out voltages.

时域有限差分法求解maxwell方程组。(The finite difference time domain method is used to solve the Maxwell equations)

说明：  Guide界面，录制音频、同时播放背景音乐，显示时域图像和频域图像，分析节奏和音准，用于评分(Made a Guide interface to record audio and play the background music at the same time. Display time domain images and frequency domain images. Analyze the rhythm and intonation to score the recorded audio.)