EDN

A Simple and Efficient FFT Implementation in C++: Part II

The implemented template class recursion has P levels. Every FFT calculation process runs from level P to level 1, while the level 1 is empty (Listing Three, in part one of this article). Some ...
GitHub

fft_spectral_analysis_example.rs

//! image analysis, quantum physics, and machine learning applications: //! - Core FFT algorithms (Cooley-Tukey, mixed-radix, Bluestein) //! - Real-valued FFT optimizations for 2x speedup //! - ...
GitHub

test_suite_fft_float32.c

memcpy (in_c, testInput_f32, 2 * fftSize * sizeof (ne10_float32_t)); memcpy (in_neon, testInput_f32, 2 * fftSize * sizeof (ne10_float32_t)); GUARD_ARRAY (out_c ...
IEEE

A Generalized Mixed-Radix Algorithm for Memory-Based FFT Processors

Abstract: In this brief, a generalized mixed-radix (GMR) algorithm is proposed for memory-based fast Fourier transform (FFT) processors to support prime-sized and traditional 2n-point FFTs ...
IEEE

A fast IE-FFT algorithm for solving PEC scattering problems

Abstract: This paper presents a novel fast integral equation method, termed IE-FFT, for solving large electromagnetic scattering problems. Similar to other fast integral equation methods, the IE-FFT ...