Significant Power Reduction with Sub-Nyquist Sampling
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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Spectral feature detection with Sub-Nyquist sampling for wideband spectrum sensing
... This paper presents a feature-based technique for pri- mary user’s spectrum identification with interference immunity which works with a reduced amount of data. The proposed method detects which channels are occupied by ...
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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 ...
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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
... with significant magnitude). The second approach is based on a power spectrum blind sampling (PSBS) technique considering periodic deterministic sub-Nyquist “multi-coset” ...
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Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis
... at sub-Nyquist ...given sub-Nyquist sampling rate the capability of the CS-based approach to extract faithful estimates of the mode shapes depends heavily on the actual sparsity of the ...
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Multi-channel sub-Nyquist cross-Spectral Estimation for Modal Analysis of Vibrating Structures
... 15 sampling devices measuring vertical acceleration response ...multi-coset sampling device of Figure 1 for white noise excitation applied at location 1 along the gravitational ...discrete-time ...
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Sub-Nyquist signal-reconstruction-free operational modal analysis and damage detection in the presence of noise
... reported significant energy savings in a long-term field deployment of prototyped wireless sensors acquiring bridge acceleration response signals via a sub-Nyquist random sampling scheme based ...
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Nyquist-SEFDM: Pulse shaped multicarrier communication with sub-carrier spacing below the symbol rate
... out-of-band power leakage and consequently in interference to adjacent frequency ...each sub-carrier, demonstrated significant reduction of out-of-band power leakage, when ap- plied to ...
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Super sub-nyquist single-pixel imaging by total variation ascending ordering of the Hadamard absis
... implementation sampling scheme based on reordering the deterministic Hadamard basis through their total ...a sampling ratio of 5% at the signal peak signal-to-noise ratio (PSNR) of ...super ...
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Compressive techniques for sub-Nyquist data acquisition & processing in vibration-based structural health monitoring of engineering structures
... signal-agnostic sub-Nyquist spectral estimation method free from sparsity constraints, which is proposed herein as a viable alternative for power- efficient WSNs in VSHM ...on Power Spectrum ...
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Vibration-based structural performance assessment via output-only sub-Nyquist/compressive wireless sensor data
... deterministic sub-Nyquist multi-coset sampling scheme is considered to acquire ambient stationary structural response ...This sampling scheme is coupled with a power spectrum blind ...
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Compressive techniques for sub-Nyquist data acquisition & processing in vibration-based structural health monitoring of engineering structures
... signal-agnostic sub-Nyquist spectral estimation method free from sparsity constraints, which is proposed herein as a viable alternative for power- efficient WSNs in VSHM ...on Power Spectrum ...
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Vibration-based structural performance assessment via output-only sub-Nyquist/compressive wireless sensor data
... deterministic sub-Nyquist multi-coset sampling scheme is considered to acquire ambient stationary structural response ...This sampling scheme is coupled with a power spectrum blind ...
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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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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 ...
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A Wideband Spectrum Sensing Method For Cognitive Radio Using Sub-Nyquist Sampling
... By using the fact that the wireless signals in open- spectrum networks are typically sparse in the frequency domain, we propose a wideband spectrum sensing method that would bring substantial saving in terms of the ...
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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 Novel Sub-Nyquist Fourier Transform Estimator Based on Alias-free Hybrid Stratified Sampling
... These samples, located at a mixture of deterministic and ran- dom time instants, are collected at sub-Nyquist rates since no constraints are imposed on either the bandwidth or the spec- tral support of the ...
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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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