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28781075Fourierbianhuajifanbianhuan
- 傅里叶变换后频谱图 B：陷波函数作用后的频谱图 C：经逆变换的滤波后图像，效果不是很理想 Ifft2：为验证自己的快速傅里叶变换程序的正确性，用matlab自带逆变换程序将频谱逆变换后图形，与原图相符，说明快速傅里叶变换程序正确。-This is a FFT
plot_3d
- 经过EMD分解后时频分析的三维时频谱图，可直接调用-EMD of three-dimensional time frequency spectrum diagram, which can be directly called.
liboqichengxi
- 巴特沃斯带通数字IIR滤波器对加了高斯随机噪声和正弦噪声的语音信号进行滤波，并绘制了两滤波器滤波后的语音信号时域图和频谱图。-Butterworth band-pass digital IIR filter added Gaussian random noise and sinusoidal noise of the speech signal is filtered, and draw a diagram of two filter the filtered speech signal tim
triangetry
- 一种光滤波器仿真设计.具有一定局限性.通过先行缔造滤波器频谱图,进行设计仿真-Simulation design of an optical filter has certain limitations. Plan first to create a filter spectrum, to simulate the design
1
- （1）实现图像文件的打开、保存、另存为、打印功能； （2）图像直方图统计和直方图均衡，要求显示直方图统计，比较直方图均衡后的效果； （3）能对图像加入各种常见噪声，并通过几种滤波算法实现去噪并显示结果。比较去噪效果； （4）频谱处理，能够分析图像频谱，显示频谱图； （5）实现空域滤波中的平滑滤波和锐化滤波。 -Digital Image Processing
work
- 数字通信系统在matlab环境下的仿真，包含QPSK,FSK等算法，以及相位和频谱图的算法-Digital Communication System Simulation
analog-filtering
- 模拟滤波器，实现模拟信号的FIR滤波，并画出单边频谱图-Analog filters, analog signal FIR filter, and draw the unilateral spectrogram
Icb__Spectruut
- 用Visual C编的用于语音的频频谱的检测，能显示出来语音的频谱图。 -Visual C series of the spectrum for voice detection, displayed the frequency spectrum of the voice.
MATLAB-DSP
- 基于MATLAB的语音信号分析及滤波(DSP课程设计说明书) 设计题目、内容及要求 课程设计的题目：基于MATLAB的语音信号分析及滤波。 课程设计的内容：录制一段个人自己的语音信号,并对录制的信号进行采样 画出采样后语音信号的时域波形和频谱图 给定滤波器的性能指标,采用窗函数法和双线性变换设计滤波器,并画出滤波器的频率响应 然后用自己设计的滤波器对采集的信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前-Design based on MATLAB voice signal analys
ask_4
- 4键值频移键控的一个代码示例，可以画出频谱图，可以更改码元长度-4 key frequency shift keying
wavelet--fft
- 实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。-To achieve spectral analysis. Shows the signal with the frequency spectrum. Sinusoidal signal and triangular wave one-dimensional FFT algorithm to obtain the frequency spectrum.
FFT
- 求取正弦信号的幅频谱图、均方根谱、功率谱、对数谱等-To strike the amplitude of the sinusoidal signal frequency spectrum, the rms spectrum, power spectrum, the number of spectral
pinputusandian
- 画出语音信号的频谱图，并将实部以散点图的形式画在坐标轴上清晰表示-Draw a voice signal spectrum, and the real part of the form of a scattergram Videos clear indication of the coordinate axes
signal_pro
- 对信号加入噪声，绘制频谱图，设计滤波器，对信号进行频谱分析，滤波-The noise signal is added, rendering the spectrum diagram, the design of filters for spectral analysis of the signal, filtering
Sine-signal-superposition
- 分别画两个频率不同的正弦信号及他们叠加的信号,y1、y2及他们的叠加信号进行采样,进行傅里叶变换,幅频图,频谱图-Videos two sinusoidal signals of different frequencies, and their superimposed signal, Y1, Y2 and their superimposed signal to be sampled, the Fourier transform, amplitude and frequency diagram
segmented-function
- 分段函数，进行采样，画出采样图，幅频图，频谱图-Piecewise function, sampling draw sample Figure Figure amplitude-frequency spectrogram
sequencedfs
- 序列进行离散傅里叶级数变换，画出相位图，频谱图。改变序列长度，然后重复上述过程-Sequence of discrete Fourier series transform, draw the phase diagram, spectrogram. Change the length of the sequence, and then repeat the process
fft
- 实现图像的傅里叶变换和频谱图…………实现图像的傅里叶变换和频谱图-The Fourier transform of the image and frequency spectrum
sEmgAnalysis
- 对数据进行频谱分析的程序。对数据进行FFT运算，并画出频谱图。-Spectrum analysis of the the surface electromyography collected data. Demonstrates painting curve graph and FFT.
2DFFT-IFFT
- 这是我做的一个二维傅里叶变换的程序，可以对图像进行2DFFT变换得到频谱图，并利用2DIFFT得到原图像-I do a two-dimensional Fourier transform procedure, 2DFFT transform spectrogram image and utilize 2DIFFT original image