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Speaker-Phrase-Specific Adaptation of PLDA Model for Improved Performance in Text-Dependent Speaker Verification

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

The i-vector/probabilistic linear discriminant analysis (PLDA) framework has been popularly used in the field of speaker verification for a long time.......

Atomic Norm-Based DOA Estimation with Sum and Difference Co-arrays in Coexistence of Circular and Non-circular Signals

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

Sparse arrays can increase the array aperture and degrees of freedom through the construction of either sum or difference co-arrays or both. In order ......

Distributed Dimensionality Reduction Fusion Kalman Filtering With Quantized Innovations

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

This paper is concerned with the distributed fusion Kalman filtering problem for networked systems with communication constraints. A dimensionality re......

Observer Design for One-sided Lipschitz Uncertain Descriptor Systems with Time-varying Delay and Nonlinear Uncertainties

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

This paper investigates observer design for a class of one-sided Lipschitz descriptor systems with time-varying delay and uncertain parameters. In ord......

A Real-Time QRS Detection Algorithm Based on Energy Segmentation for Exercise Electrocardiogram

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

Motion artifact is widely present in exercise electrocardiogram (ECG) signal, which is an important factor affecting the accuracy of QRS complex detec......

Modeling and Analysis of a Frequency-Locked Loop Based on Two-Stage Ring Voltage-Controlled Oscillator

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

In this paper, an analytical model of a closed-loop frequency-locked loop (FLL) based on a two-stage voltage-controlled oscillator (VCO) is proposed. ......

Reconstruction for Sparse Signal Based on Bidirectional Sparsity Adaptive and Weak Selection of Atoms Matching Pursuit

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

Under the framework of compressed sensing theory, the greedy algorithm achieves good reconstruction performance with known signal sparsity. However, u......

Finite-Time Spatial Sampled-Data Control for Reaction-Diffusion Systems

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (10)

The finite-time control is considered for reaction-diffusion systems (RDSs) under a designed spatial sampled-data controller (SSDC). Firstly, an SSDC ......

Generalized Subspace Snoring Signal Enhancement Based on Noise Covariance Matrix Estimation

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (7)

Acoustical properties of snoring signal have been widely studied as a potentially cost-effective and reliable alternative to diagnosing obstructive sl......

Adaptive Sparse Quantization Kernel Least Mean Square Algorithm for Online Prediction of Chaotic Time Series

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 2021; 40 (9)

Kernel leastmean square (KLMS) algorithm is a popular method for time series online prediction. It has the advantages of good robustness, low computat......

Distributed H-infinity State Estimation in Sensor Network Subject to State and Communication Delays

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, ; ()

The distributed H-infinity state estimation of delayed sensor network is dealt with in this paper. To deeply reflect the time-delay phenomenon in the ......

Augmented Joint Domain Localized Method for Polarimetric Space-Time Adaptive Processing

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, ; ()

An augmented joint domain localized technique for computationally efficient polarimetric space-time adaptive processing (pSTAP) is proposed. In the pr......

A Multiple Sources Localization Method Based on TDOA Without Association Ambiguity for Near and Far Mixed Field Sources

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, ; ()

A new method for multiple sources localization is proposed to eliminate association ambiguity for near and far mixed field sources. A spatial source l......

Structured Network Pruning via Adversarial Multi-indicator Architecture Selection

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, ; ()

Network pruning offers an opportunity to facilitate deploying convolutional neural networks (CNNs) on resource-limited embedded devices. Pruning more ......

A Statistical Color Image Watermarking Scheme Using Local QPCET and Cauchy-Rayleigh Distribution

期刊: CIRCUITS SYSTEMS AND SIGNAL PROCESSING, ; ()

Based on local quaternion polar complex exponential transform (QPCET) and Cauchy-Rayleigh distribution, we propose a statistical color image watermark......

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