搜索资源列表
mdiFFT
- FFT 频域变化并显示 方波 三角波 正弦 及随机序列 -FFT frequency domain shows changes sine square and triangular wave random sequence
AudioWave
- Wave文件读取、播放、实时显示波形、对其作FFT和DCT等功能-Wave document read, play, real-time waveform, for its FFT and DCT functions
Water
- 水面实时渲染，使用FFT和Wave方程来生成水面波动，要求显卡必须支持SM3.0和VTF（Geforce6以上） 使用2005.8的DXSDK编译
Audio
- 声卡测试程序,包括音频分析和FFT算法,可以分析mp3,wave 文件,和声卡性能测试
myfft_ifft
- FFT and IFFT for 16-bits wave, you can use this instead of convolution calculate, input samples must be 2^n. If its not 2^n samples just stuff zero in last array. I already make it to C++ class you can new a calss and do it easy
conv_fft_ifft
- include FFT IFFT and using FFT to calculate convolution and round off. Its useful for wave 16 bits.
wave-FFT
- 一个关于音频录音的小程序，没有bug，很好用
MATLABprograminfft.用Matlab产生正弦波,矩形波
- 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 generated sine wave, rectangular wave, as well as the white noise signal, and display their
squarefft2.rar
- 利用FFT分析方波信号的频谱，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。,Square-wave signal using FFT spectrum analysis to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data after analysis of e
cs-code
- 一个正弦波利用DCT，FFT变换后稀疏化，然后应用压缩感知实现压缩，并有仿真图例说明重构效果。重构算法采用线性规划和OMP算法等，是一个初学CS入门的好例子。-A sine wave using DCT, FFT transform sparse, and then apply compressed sensing to achieve compression, and a legend reconstruction simulation results. Reconstruction algo
fbh
- 使用FFT分析方波信号的频谱，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。-Square-wave signal using the FFT spectrum analysis to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data after analysis
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
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
LFM_signal
- 关于线性调频波的三个小程序，包括线性调频波的生成，FFT变换，线性调频信号通过匹配滤波器-Linear frequency modulation wave on the three small procedures, including the generation of LFM wave, FFT transform, linear frequency modulated signal through the matched filter
snd_wave_new
- wave声音播放，其中主要用c语言写的，但是缺少FFT的动态连接库-sound wave player
wavefiltering
- 运用FFT对信号进行滤波，将频率为8-15Hz的波滤除，绘出滤波前后的振幅频谱以及滤波后的时间域信号-using FFT for wave filtering,
phase_difference_measuring
- 本程序利用FFT算法来测量同频正弦之间的相位差，分辨率可达0.01度.-This program using FFT algorithm for measuring the phase difference between two sine wave signals with the same frequency.
daixianlvbo
- 把雷克子波离散，对其做fft变换到频率域，然后滤波，再做ifft变换回时间域。-To Leike Zi wave dispersion, its to do fft transform into the frequency domain and then filter, do ifft transform back to time domain.
56
- 文主要目的是针对讯号频谱分析仪(Signal spectrum analyzer)做功能测试，以确定讯号频谱分析仪之各种运算功能正确，其中测试共 分为正弦与余弦波检查、反假象滤波器检查(Antialiasing Filter Check)、频率响应函数与相位角检查(FRF & Phase Check)、自身能量密度函 数检查(Power Spectrum Check)、动态范围检查(Dynamic Range Check)等五个项目的快速傅立叶转换检查(Fast Fourier Tran
physical_meaning_of_FFT
- 该文档详细描述了FFT的物理意义，并附有一个正弦波叠加的例子和相关Matlab程序.-The document describes the physical meaning of FFT in details,with a superimposed sine wave and related Matlab examples