Results 21 to 30 of about 273,564 (272)

Signal Processing Displayed on a Spectrogram

open access: yesRevista Elektrón, 2020
This paper describes the implementation of a digital spectrogram on an embedded system, with the aim of allowing the visualization of the effects of applying digital filters and Fast Fourier Transform over a signal. The FreeRTOS operating system was used
Martin Ezequiel Paz   +2 more
doaj   +1 more source

A Fourier cosine expansion method for pricing FX-TARN under Lévy processes

open access: yesQuantitative Finance and Economics, 2023
In this paper, we extend the Fourier cosine expansion (COS) method to the pricing of {foreign exchange} target redemption note (FX-TARN), a popular exotic currency option.
Kevin Z. Tong
doaj   +1 more source

FFT for the APE Parallel Computer [PDF]

open access: yes, 1997
We present a parallel FFT algorithm for SIMD systems following the `Transpose Algorithm' approach. The method is based on the assignment of the data field onto a 1-dimensional ring of systolic cells.
Davies C. T. H.   +7 more
core   +3 more sources

SIGNAL ACQUISITION FOR SOFTWARE-DEFINED GPS RECEIVER

open access: yesICTACT Journal on Communication Technology, 2022
Signal acquisition plays important role in the estimation of navigation solutions as precise values of code phase and carrier frequency yield more accurate results in positioning systems.
Vijay Mane   +2 more
doaj   +1 more source

Perbandingan Eksperimental dan Simulasi Frekuensi Pribadi pada Struktur Spindel CNC

open access: yesRekayasa Mesin, 2020
The Research was about the comparison between experiment and simulation of natural frequency in CNC spindle. CNC spindle vibration will reduce machine tool performance. It could lead to the damage of the machine tool.
Hendri Van Hoten   +3 more
doaj   +1 more source

FluidFFT: common API (C++ and Python) for Fast Fourier Transform HPC libraries [PDF]

open access: yes, 2018
The Python package fluidfft provides a common Python API for performing Fast Fourier Transforms (FFT) in sequential, in parallel and on GPU with different FFT libraries (FFTW, P3DFFT, PFFT, cuFFT).
Augier, Pierre   +2 more
core   +4 more sources

Non-power-of-Two FFTs: Exploring the Flexibility of the Montium TP [PDF]

open access: yes, 2009
Coarse-grain reconfigurable architectures, like the Montium TP, have proven to be a very successful approach for low-power and high-performance computation of regular digital signal processing algorithms. This paper presents the implementation of a class
Hauck, S.A.   +3 more
core   +7 more sources

Pendeteksian Harmonisa Arus Berbasis Feed Forward Neural Network Secara Real Time

open access: yesJurnal Rekayasa Elektrika, 2020
The development of power electronics converters has been widespread in the industrial, commercial, and home applications. The device is considered to produce harmonics in non-linear loads. Harmonics cause a decrease in power quality in the electric power
Endro Wahjono   +7 more
doaj   +1 more source

Watermarking in WAV Files Bases on Phase Coding [PDF]

open access: yesEngineering and Technology Journal, 2011
The growth of the network multimedia open the illegal ways for users to use the digital media without any hindrance or control. This state created, the need for the copyright protection of various digital media.
Salah S. Alrawi   +2 more
doaj   +1 more source

Analisis Deret Waktu dari Produk yang Terjual Menggunakan Beberapa Teknik Populer

open access: yesJuTISI (Jurnal Teknik Informatika dan Sistem Informasi), 2023
Penjualan merupakan komponen terpenting dalam suatu perusahaan bidang industri. Hal ini dikarenakan, bila terjadi penjualan berarti terdapat pendapatan ke dalam perusahaan, oleh karena itu penting untuk dilakukan analisis terhadap produk-produk yang ...
Laras Ervintyana   +2 more
doaj   +1 more source

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