Sub-Nyquist sampling and power spectral estimation
Spectral feature detection with Sub-Nyquist sampling for wideband spectrum sensing
... known spectral shape of the primary user with the power spectral density of the received ...the Power Spectral Density (PSD) of the received ...user spectral support, thus ...
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Multi-channel sub-Nyquist cross-Spectral Estimation for Modal Analysis of Vibrating Structures
... the Nyquist rate, a novel OMA approach is put forth to derive modal properties directly from sub-Nyquist sampled (compressed) acceleration measurements from arrays of ...
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Cognitive Radio wideband spectrum sensing using Sub Nyquist sampling
... The power spectral density (PSD) of the spectrum which is wideband is viewed as the train of narrow frequency bands which are sub-bands, whose PSD is uniform within the sub-band and shows some ...
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A Sub-Nyquist Sampling Digital Receiver System Based on Array Compression
... for sub-Nyquist sampling, the number of sampling data can be reduced, and the hardware complexity is significantly ...other sub-bands, which makes the system more ...DOA ...
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Sub Nyquist sampling and detection in Costas coded pulse compression radars
... different sub-Nyquist sampling rates are demonstrated which re- sults in significant reduction of A/D conversion band- width, memory capacity, and power ...conventional Nyquist-rate ...
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A Wideband Spectrum Sensing Method For Cognitive Radio Using Sub-Nyquist Sampling
... of spectral bands, and the presence and absence of the signal in each spectral band is examined by considering the correlation matrix of the sampled ...method, estimation of the signal spectrum is ...
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Two stage multi-rate asynchronous sub-nyquist sampling In cognitive radios
... down sampling factor. We assume that there are M=5 sub bands in the frequency range (0, f max ) = [0, ...the nyquist rate is f max =1/To=1GHz.the bandwidth of each sub band are ...down ...
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A multi-sensor sub-Nyquist power spectrum blind sampling approach for low-power wireless sensors in operational modal analysis applications
... multi-sensor power spectrum blind sampling (PSBS) approach is proposed supporting low-power wireless sensor networks (WSN) for Operational Modal Analysis (OMA) ...multi-coset sampling to ...
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Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis
... and power spectral estimates) and extracts structural modal properties directly from the acquired compressed data yielding computationally efficient ...a spectral estimation method that does ...
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Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis
... PSBS-based spectral estimation approach reviewed in sub-section ...in sub-section ...the Nyquist sampling rate of 2000Hz ...
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A Novel Sub-Nyquist Fourier Transform Estimator Based on Alias-free Hybrid Stratified Sampling
... at sub-Nyquist rates since no constraints are imposed on either the bandwidth or the spec- tral support of the processed ...posed estimation approach converges uniformly for all fre- quencies at the ...
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Spectral sizing of a coarse-spectral-resolution satellite sensor for XCO<sub>2</sub>
... resolving power of our future satellite sensor, the scatter around TCCON is the most crucial vari- able since the sensor will be built to study local-scale XCO 2 ...consequence, spectral resolving powers ...
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Spectral reconstruction of signals from periodic nonuniform subsampling based on a Nyquist folding scheme
... its spectral reconstruction can use the traditional CS recovery ...nonuniform sampling are applied to NYFR. We extend the spectral reconstruction algorithm of time series decomposed model to the ...
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Bayesian Nonparametric Spectral Estimation
... for spectral estimation (SE), termed BNSE, and have shown that it admits exact Bayesian ...posterior power spectral density (PSD), meaning that periodicities can be found through linear-cost ...
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Power Spectral Density
... 10.3 SAMPLING OF BANDLIMITED RANDOM PROCESSES A WSS random process is termed bandlimited if its PSD is bandlimited, ...the Nyquist rate and recover the signal ...
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Sub Nyquist sampling for short pulses with Gabor frames
... Gabor sampling scheme for sub-Nyquist sam- pling of short pulses, which notably simplified the filter’s structure of the sampling system and enabled it to be realized by RC ...the ...
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Estimation of Population Mean In Successive Sampling by Sub-Sampling Non-Respondents
... This Regular Article is brought to you for free and open access by the Open Access Journals at DigitalCommons@WayneState. It has been accepted for inclusion in Journal of Modern Applied Statistical Methods by an ...
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Generalizations of the sampling theorem: Seven decades after Nyquist
... dlimited sampling in Sections IV-B and ...nonuniform sampling in MR theory is explained in Section ...to). Sampling theorems for non bandlimited discrete time signals are discussed in Section ...
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Population Mean Estimation with Sub Sampling the Non-Respondents Using Two Phase Sampling
... phase sampling in the presence of non-response is suggested in this article, and its properties ...phase sampling, which is the combined regression with Okafor and Lee’s ( 2000 ) estimator and Singh and ...
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Noise Estimation of Speech Signal using Adaptive Sub -spectral System
... Fig 6: Block diagram of Complete Subspace Speech Enhancement with Adaptive Noise Estimation algorithm Fig 6 shows an overview of the complete system. The noisy signal is firstly framed into overlapping blocks of K ...
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