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filter
- 1.FFT.doc 2.用MATLAB进行FFT频谱分析 3.傅立叶变换与频谱分析.pdf 4.快速Fourier变换算法及Matlab程序实现.pdf 5. 利用MATLAB和窗函数法设计FIR数字滤波器.pdf 6. 用MATLAB辅助设计FIR数字滤波器.pdf-1.FFT.doc 2 MATLAB FFT spectrum analysis 3 FFT and spectrum analysis . Pdf 4 fast Fourier transform
kzhouqilvbo
- 提出用照相缩微法制作一个小孔距对称双圆孔作为待测透镜傅里叶变换输入函数,利 用其傅里叶变换频谱面上的干涉条纹间距的测量值计算透镜焦距。该法装置简单,调节方便,测 量精度较高。分析了测量原理和测量误差,并给出了与理论分析相符的结果。 -Proposed method microfilm camera, a small hole as a Distance symmetric double Fourier transform lens under test input function,
UA12
- 用VB实现正弦波的采集和傅里叶变换。将时域信号变化为频域信号，进而进行幅频域的分析-VB sine wave with the realization of the acquisition and Fourier transform. Time-domain signal will change the frequency domain signal, and then conducted an analysis of amplitude-frequency domain
frft
- 利用分数阶傅里叶变化进行高分辨率的时频分析的文章，非常不错。-Changes in fractional Fourier using high-resolution time-frequency analysis of articles, very good.
SignalAnalysisPlatform
- 自己编的一个生物电信号处理平台，包括相干平均、滤波和傅里叶分析等方法。-Its own series of a biological signal processing platform, including the coherent average, filtering and Fourier analysis methods.
SACJCX
- 声卡采集程序: 傅立叶变换分析 TAdiuo控件-Sound card collection procedures: Fourier transform analysis TAdiuo Control
short_time_Fourier_transform_of_windowed
- STFT 实现短时加窗 傅里叶 变换 分析 可用于跳频时频分析-STFT to achieve short time Fourier transform of windowed time-frequency analysis can be used for frequency hopping
daopufenxi
- 倒谱分析 倒谱分析是指信号短时振幅谱的对数傅里叶反 变换。它具有可近似地分离并提取出频谱包络信息 和细微结构信息的特点-Cepstrum analysis cepstrum analysis is the signal amplitude spectrum on the number of short-time Fourier inverse transform. It has can be approximately isolated and extracted spectral en
1DTFT(2)
- 实验二 离散时间傅里叶分析 1． 离散时间信号 ， ，求 的傅立叶变换 。 离散时间信号 ， ，求 的傅立叶变换 -Experiment 2 discrete-time Fourier analysis 1. Discrete-time signal, find the Fourier transform. Discrete-time signal, find the Fourier transform
M_STFT
- 实用LabVIEW软件 实现短时傅里叶变换。实现对数据的时频分析-LabVIEW software utility short time Fourier transform. Achieve time-frequency analysis of data
Fourier-tansform
- Fourier变换是一种纯频域的分析方法，它在频谱的定位性是完全准确的（即频谱分辨率高），而在时域无任何定位性（或分辨能力）-Fourier transform is a pure frequency domain analysis, it is the positioning of the spectrum is completely accurate (ie, high spectral resolution), and in the time domain without any sexu
lab
- 对一个不对称的实序列进行傅里叶分析，将信号分解为奇部和偶部，求出对应的傅里叶变化-Implementation of an asymmetric sequence Fourier analysis, the signal is decomposed into odd and even the Department of the Ministry, find the corresponding Fourier transform
hvdc_fourier
- PSCAD下调用matlab进行傅里叶分析的实例。因节点数超过15个，需要高于在学生版PSCAD中运行。-Example case for fourier analysis calulation using MATLAB.This case will not run on the Student Edition of PSCAD because it has more than 15 nodes!
mian
- 语音信号的时域分析，有短时能量，短时平均幅度，短时过零率，清音自相关序列，浊音自相关序列，傅里叶分析。-Speech signal time-domain analysis, short-time energy, short-term average, short-term zero-crossing rate, voiceless autocorrelation sequence, voiced autocorrelation sequence, Fourier analysis.
YUYINTEZHENGTIQU
- 语音参数提取：短时过零率、短时能量、短时平均幅度、自相关序列、傅里叶分析-Speech parameters extraction: short-time zero-crossing rate, short-time energy, short-term average autocorrelation sequence, Fourier analysis
fourier
- 数值分析中的傅里叶变换分析是一种非常重要的分析方法，本程序给出参考。-Numerical analysis of the Fourier transform analysis is a very important method of analysis, this procedure gives reference.
Example-(1)
- 声卡采集数据，傅里叶分析。用电脑声卡采集数据进行分析。-Data acquisition card, Fourier analysis. Data acquisition card with a computer for analysis.
示波器生成类附源码实例
- 虚拟仪器比传统仪器功能更强、可扩展性更好、性价比也更高,是未来测量测试行业的发展方向。完成了一种对马达故障波形进行显示分析的虚拟示波器软件设计,为马达故障分析提供了定量的分析工具。软件采用面向对象的软件设计思想来编写,按照功能划分为5个模块:虚拟示波器界面设计、异步串口通信、Modbus协议软件包、波形傅里叶分析、波形存储访问五大模块,使用VC++基于对话框的应用程序框架完成了这5个模块的详细设计和实现;通过测试,该虚拟示波器操作简单、测量准确,能满足使用要求(Compared with tra
Fourier Transform
- Fourier analysis and wavelet analysis have often been used in time series analysis. Fourier analysis can be used to detect periodic components that have sinusoidal shape. However, it might be misleading when the periodic components are not sinusoidal
Discrete Fourier transform
- 主要是通过labview来实现 fft变换 离散信号分析(FFT transform discrete signal analysis is realized mainly through LabVIEW)