搜索资源列表
FFT
- 快速傅里叶变换，产生信号，加噪声，并画出图象。(Fast Fourier transform produces signals, adds noise, and draws images.)
fft
- 实现傅立叶变换，信号处理，故障诊断技术及应用(Fu Liye transform, signal processing and fault diagnosis are realized)
fft
- 可以实现快速傅里叶变换的C++头文件，用于信号处理(Fast Fourier Transform)
fft
- 对信号做傅里叶变换和包络分析，适合初学者信号分析，简单易懂(Fourier transform and envelope analysis of the signal, suitable for beginners signal analysis, easy to understand)
FFT_flexibleWheelset
- 首先得到质量体的动态响应信号，然后对振动信号进行FFT变换(The signal is transformed by FFT)
FM信号的仿真分析
- FM信号仿真代码详解，有关信噪比与FFT的变换(FM signal simulation, signal to noise ratio, FFT)
FFT
- 可以实现快速傅里叶变换，将试验信号导入电子表格，修改表格名字，放入同一文件夹下。(Fast Fourier transform can be realized)
FFT_test
- matlab fft测试程序，包括正弦余弦信号文件生成和提取文件内容并做fft变换(Matlab FFT test program, including sine cosine signal file generating and extracting file content and doing FFT transformation)
FFT
- 在matlab中对振动信号实现快速傅里叶变换(The realization of fast Fourier transform for vibration signals in MATLAB)
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)
ZOOM-FFT算法
- ZOOM-FFT称为细化的快速傅立叶变换，又称为选带快速傅立叶变换。ZOOM-FFT的功能是对信号的频率进行局部细化放大，使感兴趣的频带获得较高的频率分辨率。实现FFT细化功能的算法有几种，如频移法-、相位补偿法和最大熵谱法等，目前应用最关的是频移法(ZOOM-FFT is called a thinned Fast Fourier Transform, also known as Fast Fourier Transform. The
fft_hilbert_Envelope
- 对信号进行fft变换，对变换后的信号进行滤波，，对滤波后的信号进行反变换，傅里叶反变换，对反变换后的信号进行希尔伯特变换，进而画包络谱。(fft filter hilbert translation)
fft
- 采集的原始信号时域显示和使用傅里叶变换进行频谱分析(The time domain display of the original signal and Fourier transform to analyze the spectrum)
激光自混合微位移测量的FFT相位提取方法_张照云
- 提出一种基于快速傅里叶变换( F F T)提取相位的方法, 分析自混合干涉信号, 不增加系统复杂度就能将激光自混合( SM LD) 微位移测量精度提高到纳米量级。(A phase extraction method based on F F T is proposed. The self mixing interference signal is analyzed, and the accuracy of the self mixing
tiaopin
- 产生自定义的调频信号，并进行FFT变换，绘制频谱图像(Producing a custom FM signal and making FFT transform to draw a spectrum image)
capture_demo
- 对回波信号进行傅里叶变化,进而提取出距离信息(Performing Fourier transform on echo signals to extract distance information)
男女生声音辨别
- 根据不同声音，也就是不同信号的频谱，运用不同的方式，辨别出男生或者女生(According to different voices, that is, the spectrum of different signals, we can distinguish boys or girls in different ways.)
fft
- 对信号进行FFT，绘制出频率变化振幅，以及Nyquist频率之前随频率变化的振幅，进行谱分析，对归一化频率0~1进行分析。(The signal is FFT, the amplitude of frequency change is drawn, and the amplitude of the frequency changes with the frequency before the Nyquist frequency. The
fft
- 用于时域信号处理，傅里叶变换，对频域信息进行分析。(It is used for time-domain signal processing, Fourier transform, and frequency domain information analysis.)
matlab
- 对一个信号文件导入并进行fft变换，显示图形；对信号是否平稳，周期性，采样点数N，有偏无偏处理的估计效果等都做了处理和显示(A signal file is imported and transformed by FFT to display graphics; whether the signal is stable, periodic, sampling point N, the estimation effect of biase