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检索条件"任意字段=Advanced Signal Processing Algorithms, Architectures, and Implementations XVI"
420 条 记 录,以下是371-380 订阅
排序:
NONLINEAR signal-processing USING RADIAL BASIS FUNCTIONS
NONLINEAR SIGNAL-PROCESSING USING RADIAL BASIS FUNCTIONS
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: SHEPHERD, TJ BROOMHEAD, DS Royal Signals and Radar Establishment (United Kingdom) Royal Signals and Radar Establ (United Kingdom)
A procedure for multidimensional nonlinear modeling and interpolation is described which employs the method of radial basis function analysis. A systolic array for efficiently performing the associated computation for... 详细信息
来源: 评论
EFFICIENT BEAM-BASED ADAPTIVE processing FOR PLANAR ARRAYS
EFFICIENT BEAM-BASED ADAPTIVE PROCESSING FOR PLANAR ARRAYS
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: KRATZER, SG Supercomputing Research Ctr. (United States)
Beam-based adaptive processing is an economical way to achieve good interference rejection performance from an adaptive receiving array, at much less computational cost than full element-based methods. However, to exp... 详细信息
来源: 评论
RELATIONSHIPS BETWEEN THE FOURIER-TRANSFORM AND THE WAVELET TRANSFORM
RELATIONSHIPS BETWEEN THE FOURIER-TRANSFORM AND THE WAVELET ...
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: RESNIKOFF, HL BURRUS, CS Aware Inc. (United States) Aware Inc. and Rice Univ. (United States)
This paper derives the relationship between the coefficients of the Fourier expansion of a periodic signal and the coefficients of the wavelet expansion of the same signal. The formula derived shows how the Fourier co... 详细信息
来源: 评论
DISTRIBUTIONS CONCENTRATED ALONG THE INSTANTANEOUS FREQUENCY
DISTRIBUTIONS CONCENTRATED ALONG THE INSTANTANEOUS FREQUENCY
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: COHEN, L Hunter College/CUNY (United States)
We show that for purely frequency modulated signals one can always find a distribution which is infinitely concentrated along its instantaneous frequency. For signals that are both frequency and amplitude modulated we... 详细信息
来源: 评论
FREQUENCY VERSUS TIME-DELAY APPROACH FOR ACQUIRING MULTIPLE UNKNOWN CHIRP signalS
FREQUENCY VERSUS TIME-DELAY APPROACH FOR ACQUIRING MULTIPLE ...
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: HOU, HS NG, W The Aerospace Corp. (United States)
A frequency versus timedelay (FVTD) technique is introduced to acquire unknown parameters of received chirp signals. This technique can precisely determine a single chirp clearly distinguish completely overlapped upch... 详细信息
来源: 评论
HIGHER-ORDER STATISTICS (SPECTRA) AND THEIR APPLICATION IN signal-processing
HIGHER-ORDER STATISTICS (SPECTRA) AND THEIR APPLICATION IN S...
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: MENDEL, JM Univ. of Southern California (United States)
Most real-world signals are non-Gaussian. If they were Gaussian then they could be completely characterized by their first- and second-order statistics, because the probability density function (p.d.f.) for a Gaussian... 详细信息
来源: 评论
OPTIMAL KERNELS FOR TIME-FREQUENCY ANALYSIS
OPTIMAL KERNELS FOR TIME-FREQUENCY ANALYSIS
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: BARANIUK, RG JONES, DL Univ. of Illinois/Urbana-Champaign (United States)
Current bilinear time-frequency representations apply a fixed kernel to smooth the Wigner distribution. However the choice of a fixed kernel limits the class ofsignals that can be analyzed effectively. This paper pres... 详细信息
来源: 评论
WAVELETS AND RELATED TIME-SCALE TRANSFORMS
WAVELETS AND RELATED TIME-SCALE TRANSFORMS
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: FLANDRIN, P LTS-ICPI (France)
In a very recent past, new techniques, referred to as time-scale methods and making use of the so-called wavelet transform, have been proposed for the analysis of nonstationary or time-varying signals. They are basica... 详细信息
来源: 评论
algorithms FOR INSTANTANEOUS FREQUENCY ESTIMATION - A COMPARATIVE-STUDY
ALGORITHMS FOR INSTANTANEOUS FREQUENCY ESTIMATION - A COMPAR...
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: BOASHASH, B OSHEA, P ARNOLD, MJ Univ. of Queensland (Australia)
This paper examines the problem of instantaneous frequency (IF) estimation for Frequency Modulated (FM) signals imbedded in white Gaussian noise. It reviews currently available techniques and in addition proposes some... 详细信息
来源: 评论
SEGMENTATION AND CLASSIFICATION OF NASAL PHONEMES BASED ON THEIR TIME-FREQUENCY REPRESENTATION
SEGMENTATION AND CLASSIFICATION OF NASAL PHONEMES BASED ON T...
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CONF ON advanced signal-processing algorithms, architectures, AND implementations
作者: VELEZ, E ABSHER, R Simon Fraser Univ. (Canada) Univ. of Vermont (United States)
Time-frequency analysis of speech provides detailed information which may be used for the study of its production mechanisms and for recognition purposes. The smoothed Wigner-Ville distribution can be used as an effec... 详细信息
来源: 评论