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DSP-experiments-matlab-code
- 方波及其频谱；钟形波及其频谱；单指数衰减波及其频谱-Square-wave and its frequency spectrum bell-shaped wave and its spectrum single exponential decay wave and its spectrum
MATLAB
- 该程序使用小波包变换分析信号的特征向量和各频率成分的功率谱.-The program uses the wavelet packet analysis of the signal eigenvectors and the frequency components of the power spectrum.
adaptive-time-frequency-analysis
- 自适应时频分布代码，包含MATLAB源码和可执行文件-adaptive time frequency analysis
MATLAB
- 简单叙述了M月TLAB语言的特点，并介绍了如何用材月了乙AB语言编写程序，实现示 波器和频语仪的仿真。 -Brief descr iption of the M language features on TLAB, and describes how to use the materials on the B programming language AB, scope and frequency of language instrument to achieve the simulat
HARMONICS-3D
- 用希尔伯特黄变换实现对电力谐波的分解，实现了瞬时幅频的三维图形式-3D plot of instantaneous frequency and magnitude of HHT the original signal is time-varying harmonic signal in power systerm
Matlab
- 信号去噪的基本步骤： （1）信号的小波分解； （2）小波分解高频系数的阈值量化； （3）信号的小波重构。使用分解的低频系数以及阈值量化后的高频系数进行小波重构。 -The basic steps of signal denoising:( 1) of the wavelet decomposition of signals ( 2) the high frequency coefficients of wavelet decomposition threshold quan
tf-toolbox
- 时频分析工具箱包括短时傅立叶变换和二次型时频分析的matlab代码，好不容易下载下来的贡献给大家-The Time-Frequency Toolbox (TFTB) is a collection of about 100 scr ipts for GNU Octave and Matlab (R) developed for the analysis of non-stationary signals using time-frequency distributions. It is prim
matlab_cods
- estimate drougth frequency for 100 years using SPI index
fuliyechange
- 利用matlab对声音信号进行傅里叶变换，得到信号的频率图，进而对信号的特征进行分析。-Use of matlab Fourier transform of the sound signals, to get the signal frequency plot, and then analyze the characteristics of the signal.
myhilbert
- 本程序用于线性调频信号频率的测量，首先产生一加噪线性调频信号，再使用小波滤波去除噪声，最后使用希尔伯特变换法求信号的频率。-This procedure is used to measure the frequency of chirp signal, first generate a chirp signal with noise, and then use wavelet filtering to remove noise, and finally use the Hilbert trans
matlab
- detect the voice activity, using energy and frequency etc.
MATLAB-shiyan
- 本文介绍了基于MATLAB软件在《信号与系统》课程教学中的仿真实验,通过抽样信号的表征、周期方波信号的傅立叶级数分解与合成、余弦信号的相加与相乘、RLC带通滤波器的频率特性等仿真实验,说明了将MATLAB应用于教学实践中的重要作用和意义。-This article describes the MATLAB-based software in the " Signals and Systems" course teaching simulation, by sampling th
OFDMtransmitwaveform
- This source code describes the OFDM transmitted waveform at the transmitter both in frequency as well as time domain
binary-frequency-shift-
- 现代通信原理课程中，在MATLAB中实现二进制频移键控调制程序。-Modern communication theory course, to implement in MATLAB binary frequency shift keying modulation program.
power_3phpll
- 这个示范ilustrates使用的三相Programmble电压源，PLL和可变频率正序电压和功率的测量块-This demonstration ilustrates use of the 3-Phase Programmble Voltage Source, PLL and Variable-Frequency Positive-Sequence Voltage and Power Measurement blocks
MEHFR
- 上海交大硕士毕业论文《基于最小熵谱估计的 高频重建算法研究》：本论文提出了一种基于最小熵谱估计的高频重建算法（论文中简称为（MEHFR），该算法利用最小熵准则对信号谱进行外推，从而重建出音频信号的高频分量，论文同时对提出的MEHFR算法作了改进和性能分析，并给出了MEHFR成功应用于目前主流音频编解码器——MP3的一个实例-This thesis puts forward an algorithm of high frequency reconstruction based on minim
MATLAB--FFT
- 利用MATLAB实现信号的FFT变换 得到频域特性-Achieved using MATLAB FFT transform of the signal frequency domain
wavelet-MATLAB-code
- 实现以下功能：装载信号；完成信号的单尺度一维离散小波分解；从系数中重构低频部分和高频部分；显示高频和低频部分；由小波逆变换恢复信号；多层一维分解；提取系数的低频和高频部分；重构第3层的低频系数；重构第1、2、3、4、5层的高频信号；重构原始信号并显示-Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition r
fft
- Matlab的FFT算法程序 里面有基2时间抽取的FFT 还有基2频率抽取的FFT -Matlab' s FFT algorithm which has taken the time base 2 radix-2 FFT have taken the FFT frequency
three_phase_motor_speed_frequence
- 异步电动机变频调速系统matlab仿真，基于simulink仿真。-Induction motor variable frequency drive system matlab simulation, based on simulink simulation.