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matlabcheliang
- 车辆道路谱时域频域平均功率谱分析matlab程序-Road vehicles, the average spectrum of time domain frequency domain power spectral analysis matlab program
小波分析
- 小波分析可用于多时间尺度分析,即系统变化在时域中存在多层次时间尺度结构和局部化特征。
matlab
- 本文件夹共三个matlab文件和一个word文档, 内容分别为用MATLAB验证时域抽样定理,连续系统的频域分析和连续系统的频域分析。matlab刚捡起来,望大家多多指教与探讨。-A total of three of the matlab folder of documents and a word document, the contents of MATLAB were used to verify time-domain sampling theorem, continuous syst
prog1
- 本软件主要用于结构的时域试验模态分析,包括单输入单输出,单输入多输出和多输入多输出程序设计。传统的模态分析软件大多是基于频域分析方法,需首先对采样信号进行Fourier 变换。本软件使用实测时域信号,无需Fourier变换,可以避免由于信号截断而引起泄露、出现旁瓣、分辨率低等问题对辨识精度的不利影响。此外,节省了计算机运算时间,可以对实际工况状态下的结构进行在线参数识别。-This software is mainly used for the structure of time-domain
discrete_time
- 使用matlab对离散时间信号进行时域和频域分析-Using matlab to the discrete-time signals in time domain and frequency domain analysis
OmniSignalC
- 信号频谱分析以及时域分析,信号频谱分析以及时域分析-Signal spectrum analysis and time domain analysis
xinhao
- 离散信号的时域分析,输出各种离散信号的波形图,有利于各初学者理解揣摩-Time domain analysis of discrete signals, the output waveform of various discrete signals, try to figure out is conducive to the beginner to understand
ofdm_equal
- OFDM系统中时域均衡的仿真和结果分析,先对搭建的最基本的OFDM系统性能进行仿真分析,然后对在多径信道下的OFDM系统性能进行仿真分析,最后对MMSE算法进行仿真分析。-OFDM system, time domain equalization and results of the simulation analysis, the first of the basic structures of the simulated OFDM system performance analysis, a
The-FDTD-algorithm-based-on-MATLAB
- 介绍在matlab下,运用时域有限差分法(FDTD),分析计算方法-Introduced in matlab, the use of finite difference time domain method (FDTD), Analysis and Calculation
baoluofenxi
- 用于信号分析中的时域分析,将数据图形化,便于看出趋势(the analysis of signal)
yuanchengcu
- MATLAB教学视频:MATLAB实现连续时间系统的时域分析(time domain analysis of continuous time systems implemented by MATLAB)
表面肌电信号时域频域分析
- 表面肌电信号常见时域频域MATLAB程序(Surface realm signal common time domain frequency domain MATLAB program)
inverse_st
- 广义S变换及其逆变换,用于对非平稳信号进行时频分析,研究信号的频域特征随时间的变化情况(The generalized S transform and its inverse transform are used to analyze the time-frequency of nonstationary signals and study the change of frequency domain characteristics with time.)
voice_wav_frequency
- matlab语音信号分析时域频域,加窗,降噪滤波,端点检测,时域特征和频域特征提取(Matlab speech signal analysis in time domain, frequency domain, windowing, denoising, filtering, endpoint detection, time domain feature and frequency domain feature extraction.)
周期信号的频谱分析
- 通过Matlab编写M文件实现了对矩形脉冲周期信号的时域波形和频谱分析。(Time domain waveform and spectrum analysis of rectangular pulse periodic signals are realized by writing M files in Matlab.)
OFDM
- 结合理论课讲解基于Matlab仿真OFDM信号,绘制OFDM符号星座图,时域、频域曲线; 绘制发送端、接收端低通滤波器的幅频特性; 分析AWGN信道条件下OFDM系统的误码率性能( combined with the theory of lesson based on Matlab simulation OFDM signal, drawing OFDM symbol constellation, time domain, frequency
频谱分析
- 这是一个频谱分析的matlab程序,通过FFT变换,获得采样数据基本信息,时域图,频域图。(This is a spectrum analysis matlab program, through FFT transformation, get the basic information of sampling data, time-domain map, frequency-domain map.)
时频分析工具箱
- 法国中央科学研究院和美国RICE大学共同开发了时频分析工具箱(matlab emd) 是一款非常好用的时频分析计算工具,它是分析时变非平稳信号的有力工具,matlab 时频分析工具箱提供了时间域与频率域的联合分布信息,清楚地描述了信号频率随时间变化的关系。 其中主要含有四种函数: 信号产生函数,可以产生不停类型的信号,如Chirp信号,bpsk信号等。 时频分析函数,可以计算线性、Cohen类、仿射类非线性分析值函数,例如短时傅里叶变换(STFT),Gabor变换,谱图,Wigner
脉搏波信号提取
- 对脉搏信号进行滤波处理后,再进行时域分析和频域分析,提取出脉搏信号的周期、峰值、频率等特征。(After filtering the pulse signal, time domain analysis and frequency domain analysis are carried out to extract the characteristics of pulse signal such as period, peak value and frequency.)
模态分析
- 简支梁的模态分析包括时域频域 功率谱 h1h2(Modal analysis of simply supported beam)