Sub-Nyquist sampling rate
Cognitive Radio wideband spectrum sensing using Sub Nyquist sampling
... the sampling rate in this method is ...a rate lesser than Nyquist rate i.e. Sub-Nyquist ...than Nyquist rate nearing to the rate of information ...low ...
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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 ...
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Adaptive Digital Channelization of Sparse Wideband Analog Signals at Sub Nyquist Rate
... high sampling rate for a wideband signal and produces a cross-channel problem due to unknown prior information of the received signals, a method of adaptive digital channelization based on compress sensing ...
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Compressive sensing spectral estimation for output-only structural system identification
... (CS), sub-Nyquist, non-uniform deterministic sampling technique is considered in conjunction with a computationally efficient power spectrum estimation approach for frequency domain output-only ...
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Multicoset Sampling Approach in Cognitive Radio for Spectrum Sensing
... ABSTRACT: Spectrum sensing is the core and key task upon which the entire operation of Cognitive Radio rests. In this paper, we propose a spectrum sensing technique based on the estimates of the spectrum of a multiband ...
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A Sub-Nyquist Sampling Digital Receiver System Based on Array Compression
... In this section, we describe the scheme of the proposed CULA-based MWC discrete CS receiver. As shown in Fig. 1, the number of array elements is L, and the number of branches is M with M < L. We design to detect and ...
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Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis
... low-rate sampling schemes, and to the limitations posed by the associated post- processing methods applied to the compressed ...uniform-in-time sampling and heavy data post-processing on the wireless ...
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Spectrum Sensing Techniques for Cognitive Radio Networks: A Review
... compressive sampling (CS), refers to the techniques of recovering a signal from the samples obtained usingarate significantly lower than ...information rate of a continuous time signal is much smaller than ...
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A multi-sensor sub-Nyquist power spectrum blind sampling approach for low-power wireless sensors in operational modal analysis applications
... blind sampling (PSBS) approach is proposed supporting low-power wireless sensor networks (WSN) for Operational Modal Analysis (OMA) ...multi-coset sampling to acquire structural response acceleration ...
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Sensing of Wideband Spectrum Channels by Sub Sampling Rate Subspace Estimator
... Zhi Tian, et. al. (2012) [7], developed robust and compressive wideband spectrum sensing techniques by exploiting the unique sparsity property of the two-dimensional cyclic spectra of communications signals. For this, a ...
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Multi-channel sub-Nyquist cross-Spectral Estimation for Modal Analysis of Vibrating Structures
... novel sub-Nyquist approach for OMA which treats response acceleration signals as stochastic processes ...blind sampling (PSBS) for system identification of white-noise excited structural systems ...
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Sub Nyquist sampling and detection in Costas coded pulse compression radars
... follow Nyquist sampling theorem, which requires uniform sampling rate at least twice of the signal bandwidth for guaranteed re- construction of the band-limited signal ...high sampling ...
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Two stage multi-rate asynchronous sub-nyquist sampling In cognitive radios
... use sub Nyquist sampling ...compressive sampling only the traditional energy detection technique is ...the Nyquist sampling ...
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Sub Nyquist sampling for short pulses with Gabor frames
... Sub-Nyquist sampling, which can acquire signals even at very low sampling rate and yet maintain high approxima- tion precision, has been developed over the past years to process certain ...
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Sub-Nyquist signal-reconstruction-free operational modal analysis and damage detection in the presence of noise
... the Nyquist rate. Specifically, non-uniform deterministic sub-Nyquist multi-coset sampling of response acceleration signals in white noise excited linear structures is considered in ...
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A Non Maximally Decimated Dynamic Reconfigurable Channelized Structure Based on Modulated Filter Bank
... the sampling rate, and then is divided into several sub-band signals by the analysis filter ...the sub-band signals go through the detection and discrimination ...the sub-band channels ...
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Attenuation of species abundance distributions by sampling
... On the research vessel, large animals in the catch were first removed using an aluminium grid (300 mm) and a recirculating seawater hopper was then used to hold the catch before sorting. The entire catch in the hopper ...
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The Effect of Negative Sampling Strategy on Capturing Semantic Similarity in Document Embeddings
... negative sampling, that does not reach a plateau, the model with the random negative sampling converges to the optimum performance without requiring a large number of negative examples during ...negative ...
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Sub corpora Sampling with an Application to Bilingual Lexicon Extraction
... The SampLEX algorithm for bilingual lexicon extraction presented in the paper is directed towards extraction of only highly reliable word translation pairs. After comparisons with other models for BLE from parallel data, ...
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Adaptive Rate Sampling and Filtering Based on Level Crossing Sampling
... minimum sampling frequencies, ...the sampling process, which yields information on the signal local fea- tures, is employed to select only the relevant signal ...
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