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自功率谱VI
- 自功率谱是分析非平稳信号频谱的重要手段。对于非平稳信号来说，利用自功率谱分析能够更容易找到信号中能量聚集区域，对信号中的频率分布有更好的了解。本文件中将其制作成独立子VI方便程序直接调用。(Self power spectrum is an important method to analyze the spectrum of non-stationary signals. For non-stationary signals, it is easier to find the energy a
AMshiyan3
- 基于MATLAB,am信号的调制-解调-滤波 分别加入小噪声信号和大噪声信号进行频谱分析(Based on MATLAB, the modulation demodulation filtering of AM signal is added to small signal and large noise signal for frequency spectrum analysis)
tumasok352
- 我做了很久的,自认很满意,有关信号仿真,信号频谱分析(For a long time, I do think very satisfied, the signal simulation, signal spectrum analysis)
oscilloscope_display_code
- 该C#源代码软件工程是基于STM32数字示波器/信号发生器/信号分析仪的PC端控制软件，具有显示波形数据（峰峰值、最大值、有效值等），显示波形曲线（回显波形、保存波形等），常用信号（三角波、矩形波等）发生、信号分析（FFT分析、频谱分析等）功能(The C # source code software engineering is based on the STM32 digital oscilloscope / signal generator / signal analyzer PC-sid
语音信号处理
- 对一段语音信号进行读入，并加入高斯白噪声，输出原始信号和噪声信号的频谱，进行分析比较，最后去掉噪声，再对频谱进行分析。(Read a section of the voice signal, and add the Gaussian white noise, the output of the original signal and noise signal spectrum, the analysis and comparison, and finally remove the noise,
signal
- 一个直扩通信系统的仿真，其中采用BPSK调制，包含有解扩和解调过程，以及各信号的频谱分析(Simulation of DSSS signal)
frequency_domain
- 利用快速傅里叶变换实现泄漏声发射信号的频谱分析。(Spectrum analysis of leakage acoustic emission signal using fast Fourier transform.)
yuyinchuli
- 在matlab平台利用GUI界面实现录音，播放。并对语音信号进行频谱分析，特定人语音识别，混响，混频等基础功能。(On the MATLAB platform, the GUI interface is used to record and play. And the speech signal spectrum analysis, specific speech recognition, reverberation, mixing and other basic functions.)
新建文件夹
- 利用巴特沃斯滤波器，实现数字信号的频谱分析 ，包括幅值谱，相位谱，群延时谱(Spectrum analysis of digital signal)
wav
- 可以实现对自己录制的wav格式声音进行频谱分析时域分析并且加入随机噪音，可播放声音进行对比，自动绘制波形频谱图。最后进行去噪滤波。适合大学生数字信号处理课程实验(It can realize the spectral analysis of the wav format, record the time domain analysis and add random noise. It can play the voice contrast, and automatically draw the
用汉宁窗函数 的频谱分析源代码
- 减少频谱泄漏，通常在采样后对信号加窗。在电机故障诊断领域，需同时考虑频率分辨率和频谱泄漏。应用最广泛的窗函数是汉宁窗。(To reduce the spectrum leakage, a window is usually added to the signal after sampling. In the field of motor fault diagnosis, frequency resolution and spectrum leakage should be considered
采集系统最终版
- labview编写采集数据程序，数据采集后会有相应的频谱分析(LabVIEW writing data acquisition program)
11
- 计算多组信号的卷积，并画图，采用傅里叶变换分析信号的幅度谱和角度谱，采用matlab 编写(The convolution of multiple sets of signals was calculated and plotted. The amplitude and angle spectra of the signals were analyzed by Fourier transform. Matlab was used to write the graph.)
matlab
- 本程序可是实现用MATLAB进行复杂声音信号的采集，以及进行频谱分析，并对采集到的信号进行滤波处理，有高斯滤波和其他滤波器。(This program realizes the acquisition and analysis of complex sound signals with MATLAB, and filters the collected signals. There are Gauss filters and other filters.)
fourier
- 基于MATLAB 的语音信号频谱分析与去噪研究 1、通过Matlab读入语音信号，进行频域分析 2、绘制语音信号频谱； 3、设计滤波器并进行滤波； 4、加噪，对比语音信号波形和频谱(Research on speech signal spectrum analysis and denoising based on MATLAB 1, read the voice signal through Matlab and analyze it in frequency domain. 2, draw t
时频信号分析
- 实现绘制信号的功率谱，两重自相关，滤波后时域，滤波器，频谱图，信号时域图以及自相关函数图等功能(The functions of drawing signal power spectrum, double correlation, filtering time domain, filter, spectrum, signal time domain and autocorrelation function diagram are realized.)
leidapinpufenxiyi
- 基于visual的mfc工程，建立雷达信号分析仪，通过快速傅里叶变换以及加窗处理，实现雷达信号简单的频谱分析。(Based on visual's MFC project, a radar signal analyzer is set up, and a simple spectrum analysis of radar signal is realized by fast Fourier transform and windowing.)
code
- 数据信号处理相关程序，如各类傅里叶变化、频谱分析等等，简单易懂。(Data signal processing procedures, such as Fourier transform, spectrum analysis and so on, are simple and easy to understand.)
轴承信号分析
- 共振解调的过程如下：首先对采集到的信号进行傅里叶变换，然后利用传感器自身的谐振频率进行分析，对滤波后的信号进行包络，包络以后去除了高频部分，得到包络信号，再对改进的包络信号进一步进行低通滤波，最后对最终得到的信号进行傅立叶变换求其频谱图。共振解调的原理及其过程可以用图2 来进行表述。(The process of resonance demodulation is as follows: First, Fourier transform is performed on the collected
voice_signal_spectrum_analysis
- 语音信号频谱分析 滤波器设计 matlab(voice signal spectrum analysis)