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Titlebook: Aspects of Signal Processing With Emphasis on Underwater Acoustics, Part 2; Proceedings of the N G. Tacconi Conference proceedings 1977 Spr

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樓主: firearm
41#
發(fā)表于 2025-3-28 14:54:12 | 只看該作者
42#
發(fā)表于 2025-3-28 19:08:47 | 只看該作者
Variational and energy principles the antenna receives monochromatic coherent signals, this function can be performed rather easily, a lot of Fourier transforms is used so as to reconstruct the pattern oft concentric spheres surrounding the antenna; the operation is well-known as acoustic holography.
43#
發(fā)表于 2025-3-29 01:26:42 | 只看該作者
44#
發(fā)表于 2025-3-29 05:22:34 | 只看該作者
45#
發(fā)表于 2025-3-29 08:22:38 | 只看該作者
46#
發(fā)表于 2025-3-29 13:14:02 | 只看該作者
Flexible Or-Type Neuro-Fuzzy Systems,to Fast Fourier Transform algorithms. The second part will range more widely, in particular considering ways in which certain less well-known properties of the DFT could be turned to practical use. The two parts are independent.
47#
發(fā)表于 2025-3-29 17:47:41 | 只看該作者
48#
發(fā)表于 2025-3-29 22:43:55 | 只看該作者
49#
發(fā)表于 2025-3-30 03:41:44 | 只看該作者
Flexible Mamdani-Type Neuro-Fuzzy Systems,trum analysis is concerned with the estimation of S(f) from a finite length record x(t) [0,T] of one realisation (fig. 1):.For convenience, the independent variable t is referred to as “time” (sec.) and the conjugate variable f as “frequency” (cycles/ sec. or Hz), although other physical quantities
50#
發(fā)表于 2025-3-30 05:10:28 | 只看該作者
Flexible Mamdani-Type Neuro-Fuzzy Systems,scalar time series (or equivalently a line array), estimation of power spectral density matrices for vector valued time series, and the estimation of wavenumber or frequency-wavenumber spectra for random fields. The paper is primarily a tutorial coverage of autoregressive (also called maximum entrop
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