fftw

相关标签：javascript jquery android 多少钱 iPhone

Python: How to keep variable memory location across assignment?

I\'m still pr开发者_开发百科etty new to Python, so forgive me this question if it\'s stupid. I could not find an answer through Google...[详细]

2023-02-15 21:15 分类：问答
Normalising FFT data (FFTW)

Using FFTW I have been computing the FFT of normalized .wav file data. I am a bit confused as to how I should normalise the FFT output, however. I have been using the method which seemed obvious to me[详细]

2023-02-07 14:57 分类：问答
Setting Frequency Domain in libgdx FFT

I\'m new to Fourier Transforms, so can someone explain what I need to do to replicate this behaviour in fftw:[详细]

2023-02-03 02:13 分类：问答
How to batch FFT in C

I am trying to do a batch FFT on 50 images using the following snippet: pix3 = n*pix1*pix2; fftwf_complex *in2, *f2h; //input for FFT2[详细]

2023-01-17 00:54 分类：问答
FFTW: Inverse of forward fft not equal to original function

I\'m trying to use FFTW to compute fast summations, and I\'ve run into an issue: int numFreq3 = numFreq*numFreq*numFreq;[详细]

2023-01-16 02:58 分类：问答
How can I compile a standalone FFTW library?

I need to compile a stan开发者_JS百科dalone .a or .so library in Ubuntu 10.04 from the FFTW source code. I find that the directory layout of the source distribution is so complex that I have no idea w[详细]

2023-01-11 10:12 分类：问答
How to extract frequency information from samples from PortAudio using FFTW in C

I want to make a program that would record audio data using PortAudio (I have this part do开发者_如何学Gone) and then display the frequency information of that recorded audio (for now, I\'d like to di[详细]

2023-01-03 14:01 分类：问答
How do I get a .so file from a .la file?

FFTW 2.x builds a .la file (under fftw/.libs directory). I think I need a .so file to link to.开发者_如何学JAVA (I am not sure, because I am a gcc newbie).In general on Linux, a .so file is dynamic l[详细]

2022-12-27 22:03 分类：问答
Magnitude of FFT result depends on wave frequency?

I\'m baffled by the results I\'m getting from FFT and would appreciate any help. I\'m using FFTW 3.2.2 but have gotten similar results with other FFT implementations (in Java). When I take the FFT o[详细]

2022-12-15 06:39 分类：问答