搜索资源列表
USRPPacketTxRx
- USRP收发文字包，包括不同调制方式。有频谱图显示，即时收发。-USRP send and receive text package, including different modulation schemes. There spectrogram display, send and receive instant.
MATLAB
- 对采集的轴系平稳信号进行时域，频域仿真，得到频谱图。-Shaft for smooth signal acquisition time domain, frequency domain simulation, the spectrogram.
importfile
- Help view data excel file and then plot fft , power spectrum and histogram and spectrogram and observe them over varying resolution-Help view data excel file and then plot fft , power spectrum and histogram and spectrogram and observe them over vary
STFT_SWT_ST_matlab-files
- STFT和ST变换的基本函数，和一个stft的一个例程-This code computes the Stockwell transform (S-Transform) of a one dimensional series without for loop, thereby making it computationally fast and simple. S-Transform was proposed in 1996. A nice tutorial on S-Transform can
Spectrogram-(2)
- 短时傅里叶变换程序，实现短时傅里叶变换的快速实现，绘制时间频率功率谱图。-Short time Fourier transform program, the realization of short time Fourier transform to achieve fast, draw time frequency power spectrum.
sp_gram
- gram - 计算信号向量的频谱图 ％ ％[B，F，T] 频谱图（xx，Nfft，fs，窗口，Noverlap） ％ ％输出： ％B 谱图值 ％F 来自FFT的分析频率（Hz） ％T 窗口位置时间（秒）- gram compute the spectrogram of a signal vector [B,F,T] spectrogram(xx,Nfft,fs,window,Noverlap ) Outputs:
arse-0.2d2-win32-linux-src
- The Analysis & Reconstruction Sound Engine analyses a sound file into a spectrogram and is able to synthesise this spectrogram, or any other user-created image, back into a sound.
SOQPSK
- 这是一个原创的SOQPSK调制程序，条理清晰，思路简介。使用了matlab语言书写，且SOQPSK是一种不常见的、比较前沿的调制解调方式。本程序即成功的使用matlab语言实现了SOQPSK的调制，并绘制出了SOQPSK的时域波形图，相位图，频谱图，功率谱密度图，便于初学者学习使用。s-This is an original SOQPSK modulation process, the clarity, Approach. Matlab language used to write and SO
chenxu
- （1）录制一段语音信号，完成对信号的采样，画出信号的时域波形和频谱图，确定信号的频谱范围； （2）给信号叠加噪声（噪声类型分为如下几种：a白噪声；b单频噪色（正弦干扰）；c多频噪声（多正弦干扰）；d其它干扰。），画出受噪声干扰的信号时域波形和频谱图； （3）采用窗函数法设计FIR低通滤波器，画出滤波器的频响特性图； （4）用所设计的滤波器对受噪声影响的信号进行滤波，画出滤波后语音信号的时域波形图和频谱图； （5）对滤波前后的信号进行对比，分析信号的变化；回放语音信号，并与原始语音信号对比
conmems5th
- 计算sigma-delta调制器输出数据的SNR及输出频谱图(Calculate SNR output data of sigma-delta modulator and output spectrogram)
STFT Spectrogram Demo
- STFT谱图演示，方便新手学习的简单例子。(STFT spectrum demo, easy for beginners to learn a simple example.)
matlab
- rgb在matlab中三个通道的子图显示，直方图 ，频谱图，高斯滤波后的图像显示(RGB in MATLAB, three channel subgraphs show histograms, spectrogram, and Gauss filtered image display)
Untitled
- 本文件可以处理声音信号 得到声音信号的频谱图 时域图 能量分析图(This document can process sound signals, get the spectrogram of sound signals, and analyze the energy diagram of time domain diagrams)
座头鲸叫声分析
- 取一段音频叫声，用stft画出其语谱图，stft按原理编，便于学习与理解(Take an audio call, using STFT to draw its spectrogram, STFT compiled according to the principle, easy to learn and understand)
频谱m程序
- 根据Quartus导出stp文件导出的txt数据，把txt文档里的无关内容删除，仅保留数据，可使用该m程序，轻松画出频谱图，作为开发人员的测试工具(Export the txt data derived from the STP file according to Quartus, delete the irrelevant content in the txt document, only retain the data, use the M program, and easily draw
107551700第三次作业
- 根据短时傅里叶变换原理，计算并显示该语音段的短时幅度谱和功率谱；根据语谱图显示原理，编程实现该语音段语谱图的计算和显示，并尽量多地分析出语谱图包含的语音特征信息,用MATLAB提供的倒谱计算函数，显示该语音段的复倒谱和倒谱(According to the principle of short-term Fourier transform, the short range spectrum and power spectrum of the speech segment are calculat
sound_to_spectrogram2
- 从大文件下读取子文件夹里的声音，并转成语谱图，并保存在本地电脑上面(sound transfer spectrogram)
振动信号分析
- Signal fft transform, read the signal and fft transform, FFT transform shows the spectrogram to complete the extraction of the characteristic signal
FFT
- 快速傅里叶变换示例,修改波信号文件以及采样频率，就可得到波形与频谱图、相位图(Fast Fourier Transform example, modify the wave signal file and the sampling frequency, you can get the waveform and spectrogram, the phase map)
波谱.tar
- 波谱图，输入风级和频率可画出波谱图，很实用（摘）(The input frequency spectrum, wind speed and draw the spectrogram, very practical (Abstract))