Showing 361 - 380 results of 38,760 for search '"Fourier transform"', query time: 0.42s Refine Results
  1. 361

    Implementation of Discrete Fourier Transform And Orthogonal Discrete Wavelet Transform In Python by Tariq Javid Ali, Pervez Akhtar, Muhammad Faris, Idris Mala, Syed Saood Zia

    Published 2016-07-01
    “… This paper presents implementation of Discrete Fourier Transform and Orthogonal Discrete Wavelet Transform in Python computer programming language. …”
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    Article
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    Simulation of GHz ultrasonic wave piezoelectric instrumentation for Fourier transform computation by Zaifeng Yang, Xing Haw Marvin Tan, Viet Phuong Bui, Ching Eng Png

    Published 2023-09-01
    “…Abstract The recent emerging alternative to classic numerical Fast Fourier transform (FFT) computation, based on GHz ultrasonic waves generated from and detected by piezoelectric transducers for wavefront computing (WFC), is more efficient and energy-saving. …”
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    Short-Time Fourier Transform Based on Metaprogramming and the Stockham Optimization Method by Grzegorz Rybak, Krzysztof Strzecha

    Published 2021-06-01
    “…The extension for high-performance STFT (Short-Time Fourier Transform) algorithm written entirely in Java language for non-parallel computations is presented in the current paper. …”
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    Phenotypic Analysis of Fourier-Transform Infrared Milk Spectra in Dairy Goats by Bartolo de Jesús Villar-Hernández, Nicolò Amalfitano, Alessio Cecchinato, Michele Pazzola, Giuseppe Massimo Vacca, Giovanni Bittante

    Published 2023-02-01
    “…A total of 657 goats belonging to 6 breeds and reared on 20 farms under traditional and modern dairy systems were milk-sampled once. Fourier-transform infrared (FTIR) spectra were taken (2 replicates per sample, 1314 spectra), and each spectrum contained absorbance values at 1060 different wavenumbers (5000 to 930 × cm<sup>−1</sup>), which were treated as a response variable and analyzed one at a time (i.e., 1060 runs). …”
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    Acoustic Descriptors for Characterization of Musical Timbre Using the Fast Fourier Transform by Yubiry Gonzalez, Ronaldo C. Prati

    Published 2022-04-01
    “…In this paper, we present a minimum set of dimensionless descriptors, motivated by musical acoustics, using the spectra obtained by the Fast Fourier Transform (FFT), which allows describing the timbre of wooden aerophones (Bassoon, Clarinet, Transverse Flute, and Oboe) using individual sound recordings of the musical tempered scale. …”
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  16. 376

    Countermeasure for Interrupted-sampling Repeater Jamming based on Fractional Fourier Transformation by Liu Ming, Tao Shu, Chen Qingrong

    Published 2018-01-01
    “…In this paper, a countermeasure to suppressing ISRJ based on fractional Fourier transformation (FrFT) is presented. The echo signals, mixed with ISRJ, will be processed in FrFT of specific order, and then a narrow band filter based on parameters of FrFT is designed to extract the target signals and suppress interference signal, so as to realize the target detection. …”
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  17. 377

    A New LFM-Signal Detector Based on Fractional Fourier Transform by Zhiping Yin, Weidong Chen

    Published 2010-01-01
    “…A new LFM-signal detector formulated by the integration of the 4th-power modulus of the fractional Fourier transform is proposed. It has similar performance to the modulus square detector of Radon-ambiguity transform because of the equivalence relationship between them. …”
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