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eg-fft
- fft1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图 2.进行FFT变换,显示各自频谱图,其中采样率,频率、数据长度自选 3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
matlab
- 滤波器的设计,信号的抽样,频率变换,信号的幅频,信号的相频等-Filter design, signal sampling, frequency conversion, the signal amplitude and frequency, phase frequency signals, such as
MATLAB
- MATLAB-based program that generates plots of input power and shaft torque for variable-frequency operation of three-phase induction motors
chapter4_3
- 图像在传输过程中,传递函数对高频成分有衰减作用,造成图像模糊,细节轮廓不清楚。图像锐化就是补偿图像的轮廓,增强图像的边缘及灰度跳变的部分,使图像变得清晰。亦分空域处理和频域处理两类[3]。-Image in the transmission process, the transfer function of the role of high frequency components are attenuated, resulting in image blurring, the details
xinalvbozaiqiupinyu
- 对文本格式的信号先滤波再求频域,便于在神经网络中应用,这是用matlab做的,很有用。-The text format, the signal first and then seek the frequency domain filtering
FSK
- 设计一个2FSK数字调制系统,要求: (1)设计出规定的数字通信系统的结构; (2)根据通信原理,设计出各个模块的参数(例如码速率,滤波器的截止 频率等); (3)用Matlab或SystemView 实现该数字通信系统; (4)观察仿真并进行波形分析; (5)系统的性能评价。 -Design a digital modulation system 2FSK require: (1) design a digital communication system
Multi-band-OFDM-Ultra-Wideband-System-Simulation-a
- 多頻帶正交分頻多工之超寬頻系統模擬與等化器設計--超寬頻(Ultra-wideband UWB)是一種已經有實體層規格被提報出來 的新系統,它 具有高位元傳輸率 ,能在短距離 的通訊網路 上提供高速的數 據傳輸。近來 ,因為UWB的 多項優點,使得UWB技術被研究來 用於室內短距離 的傳輸上,且在很多其他的使用上還 有很大的發展潛力 。在這份論 文中,我們將用mat
matlab-homework2
- 设某信号 , N=20, 其中, 为白噪声。 求: 编程实现信号的DFT及其反DFT变换,画出原始信号、幅频特性和反变换后信号的曲线。 -Let a signal, N = 20, which, for the white noise. Demand: programming signal DFT and its inverse DFT transform, draw the original signal, the amplitude-frequency characteristic
DWT_FFT
- It s the matlab code to implement the dwt in the frequency domain-implement discrete wavelet transform in fourier domain
wuzhongchangyongxiaoboji
- 给出五种常用小波基的时域和频域波形图及matlab代码。-Five commonly used wavelet basis is given time domain and frequency domain waveform and Matlab code.
Filter-implementation-in-matlab
- its a matlab discr iption of varius digitl filers both in special and frequency domain. very useful for beginners.
High-frequency-emphasis
- MATLAB图像处理-基于高频强调滤波和直方均衡化图像增强-MATLAB image processing- based on high frequency emphasis filtering and histogram equalization image enhancement
denoising-code
- 用MATLAB实现频域平滑滤波以及图像去噪代码,Word文档格式。-The frequency domain using MATLAB realize smoothing and denoising code, Word document format.
JSIP_2013101709402196
- Frequency Synchronization in OFDM System An accurate frequency synchronization method using the zadoff-chu (ZC) constant envelop preamble is analyzed, and a new preamble weighted by pseudo-noise sequence is used for orthogonal frequency division mu
Signal-analysis-realized-by-MATLAB
- 描述了matlab基础功能和基础代码的编写,对信号在时域和频域的特点进行分析,并介绍了几种采样方法-Describe the basic function and matlab code to write, on the characteristics of signal in time domain and frequency domain analysis, and sampling method are introduced
Postprocessor
- 以MATLAB程序开发一个后处理器,产生N个样本的输入数据的直方图、PSD估计及自相关。运行后处理器的任何必要参数都通过参数文件输入,有后处理器读取。将零均值、单位方差的高斯过程的N=5000个样本通过巴特沃斯滤波器产生N个样本,这里的滤波器的截止频率为0.2fN,其中fN为奈奎斯特频率,用这样的样本测试后处理器。-MATLAB program to develop a post-processor to generate a histogram of N samples of input da
mimo radar OFDM Chirp waveform design
- 产生OFDM Chirp波形,包括时域表示和频域表示,用于mimo雷达,且附有参考文献,里面有波形的时频域表示,以便进一步研究(this matlab code files were used to produce ofdm chirp waveform which used in mimo radar,the waveform are representation in time domain and frequency domain.furthermore,the references ar