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ecgfftprocessing
- 利用FFT進行心電訊號除噪並截取R波特徵點-Use of FFT to the heart in addition to its telecommunications interception of R-wave noise and feature points
ReadWaveFile_20090612
- wave波形文件读取,并通过FFT运算后图形显示频谱。-read .wav file and dispaly spectrum.
Lab0503-FFT
- DSP下FFT算法的实现,即时分析所给波形的频谱。很好用!-Under the DSP FFT algorithm, real-time analysis to the wave spectrum. Good use!
FFT
- 快速傅里叶变换,主要应用于频率变换和滤除同频或异频的波-Fast Fourier transform, that the are mainly used in the frequency to transform and filter out the same frequency or heteroclinic frequency wave
onedimension
- 一維光子晶體,用平面波展開法求能帶圖,其中傅立葉係數用FFT所求出(不同於直接帶入解析解作法),code很簡單-One-dimensional photonic crystal with a plane wave expansion method for the energy band diagram, where the Fourier coefficients are calculated using FFT (as opposed to directly into the analytic
wavec
- wave FFT Example with fmod library
FFT
- 1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图 2.进行FFT变换,显示各自频谱图,其中采样率,频率、数据长度自选 3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图-1. Produce sine wave, square wave, and the white noise signal with Matlab, and their time-domain waveform
FFT-demo
- 1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图 2.进行FFT变换,显示各自频谱图,其中采样率,频率、数据长度自选 3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图- 1. Using Matlab to generate sine wave, square wave, and the white noise signal and displays each tim
leijing
- 本程序的性能已经超过其他算法,采用的是通用的平面波展开法,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- This program has exceeded the performance of other algorithms, Using common plane wave expansion method, ofdm system simulation including 16qam modulation fft windowing modules plus cp.
fft
- matlab程序,对多种信号的傅里叶(Fourier)变换,包括sin,sinc,AM,2fsk,2psk,方波,以及带汉明窗的FFT-Matlab program, for a variety of signals of Fourier Fourier transform, including sin, sinc, AM, 2 FSK, 2 PSK, square wave, and FFT with hamming window
suihun_v66
- ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,用MATLAB实现动态聚类或迭代自组织数据分析,FMCW调频连续波雷达的测距测角。- ofdm system simulation including 16qam modulation fft windowing modules plus cp, Using MATLAB dynamic clustering or iterative self-organizing data analysis, FMCW frequency mod
pensing
- ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,正确率可以达到98%,用平面波展开法计算二维声子晶体带隙。- ofdm system simulation including 16qam modulation fft windowing modules plus cp, Accuracy can reach 98 , Computation Method D phononic bandgap plane wave.
FFT
- 三角波和反三角波序列的时域和幅频特性,绘出两序列及其幅频特性曲线,循环卷积,线性卷积(The time domain and amplitude frequency characteristics of the triangle and anti triangle wave sequences are plotted, and the two sequence and its amplitude frequency characteristic curves, cyclic convolutio
fft - 副本
- 进行FFT变换。任何连续测量的时序或信号,都可以表示为不同频率的正弦波信号的无限叠加。而根据该原理创立的傅立叶变换算法利用直接测量到的原始信号,以累加方式来计算该信号中不同正弦波信号的频率、振幅和相位。当然这是从数学的角度去看傅立叶变换。(Any continuous time sequence or signal can be expressed as an infinite superposition of sinusoidal signals of different frequencie
数字2
- 三角波和反三角波序列的时域和FFT幅频特性,余弦信号傅里叶变换,比较DFT和FFT程序的运行时间(The time-domain and FFT amplitude frequency characteristics of the triangular and anti triangular wave sequences, cosine signal Fu Liye transform, and the running time of DFT and FFT programs are compa
Radar-target-generation-and-detection-master
- MATLAB中的雷达目标生成和检测,调频连续波,FFT(用于范围检测的1D),FFT (2D for distance and speed detection),2d恒定火焰警报率(2D-CFAR)(Radar target generation and detection in MATLAB, FM continuous wave, FFT (1D for range detection), FFT (2D for distance and speed detection), 2d const