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sjb
- 使用FFT分析三角波信号的频谱,讨论采样点数、采样频率对谱分辨率的影响。对数据叠加白噪声后再次分析实验结果。-FFT analysis of the use of the triangular wave signal spectrum to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data af
Data-processing
- 基于FFT的功率谱分析程序设计与应用 2)对实验所采集的转子振动信号进行频谱分析 2.讨论: 1) 信号经过均值化处理或不经过均值化处理的结果比较 2)采用不同窗函数时的谱结果(矩形窗函数, 汉宁窗函数,汉明窗) 3)典型函数的频谱(矩形窗函数, 汉宁窗函数,直线,阶跃函数,δ函数,方波,三角波等) 4)整周期和非整周期采样时两者的比较 5)讨论实验结果 -Based on the FFT power spectrum analysis
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.
chuanghanshu
- 信号被窗函数截断,并做频谱分析,比较汉宁窗、三角窗等的特点-Window function signal is cut off, and do spectral analysis, comparing Hanning, triangular windows and other characteristics
source
- 白噪声 –单位冲激信号 –正弦信号 –方波信号 –三角波信号 功率谱-White Noise- unit impulse signal- sinusoidal signal- a square wave signal- triangular wave signal power spectrum
NSIP
- triangular-signal empirical mode decomposition with samples
chap2
- 多种函数信号产生方法,方便快捷的产生如三角波、方波、冲击信号等。-Multiple function signal generating method, convenient produce such as triangular wave, square wave, the impact signals.
fastsmooth
- 三角平滑去噪算法,矩形平滑去噪算法,伪高斯平滑去噪算法的实现-fastbsmooth(Y,w,type,ends) smooths vector Y with smooth of width w. Version 2.0, May 2008. The argument type determines the smooth type: If type 1, rectangular (sliding-average or boxcar) If typ
exa010305
- 幅度为三角波的幅度调制信号在长度变化前后,信号的时间中心、频率最小、时宽和带宽的变化情况-Amplitude triangular wave amplitude modulated signal before and after the change in the length of time the center of the signal, the frequency of the minimum, and when the wide bandwidth changes