An Ultra-Low-Power 9T SRAM Cell Based on Threshold Voltage Techniques
This paper presents a new nine-transistor (9T) SRAM cell operating in the subthreshold region. In the proposed 9T SRAM cell, a suitable read operation is provided by suppressing the drain-induced barrier lowering effect and controlling the body---source ...
Fully Digitally Programmable Generalized Mixed Mode Universal Filter Configuration
This paper presents five feature-enriched hardware-efficient mixed mode universal filter (UF) biquads using digitally programmable (DP) current conveyors (CC). Common features of proposed UFs include use of only two grounded capacitors, operation in all ...
Two Efficient Dual-Band and Wide-Band Low-Power DCO Designs Using Current Starving Gates, DCV and Reconfigurable Schmitt Triggers in 180 nm
Digitally controlled oscillators are the main cores in all-digital phase-locked loops (ADPLL), which are important for determining the range of frequency and power consumption in ADPLLs. In the conventional digitally controlled oscillator (DCO) designs, ...
1-V Inverting and Non-inverting Loser-Take-All Circuit and Its Applications
A new solution for a non-conventional loser-take-all (LTA) circuit is proposed in the paper. The circuit possesses several inverting and non-inverting input terminals and an additional current output, which increases its versatility and allows ...
A 11.2 mW 48---62 GHz Low Noise Amplifier in 65 nm CMOS Technology
In this paper, a wideband low noise amplifier (LNA) for 60 GHz wireless applications is presented. A single-ended two-stage cascade topology is utilized to realize an ultra-wideband and flat gain response. The first stage adopts a current-reused ...
Exponential Stability Criteria for Positive Systems with Time-Varying Delay: A Delay Decomposition Technique
This paper is concerned with exponential stability analysis for linear continuous positive systems with bounded time-varying delay. Our approach is based on Lyapunov---Krasovskii functional with delay decomposition. The main idea is to divide uniformly ...
Quantized Observer-Based Sliding Mode Control for Networked Control Systems Via the Time-Delay Approach
This paper investigates the sliding mode control problem for networked control systems, which are influenced by the non-ideal network environment, such as network-induced delays, packet dropouts and quantization errors. The states of the system are ...
Analysis and Design of H∞ Controllers for 2D Singular Systems with Delays
The $$H_{\infty }$$H control design problem is solved for the class of 2D discrete singular systems with delays. More precisely, the problem addressed is the design of state-feedback controllers such that the acceptability, internal stability and ...
Modified Mean and Variance Normalization: Transforming to Utterance-Specific Estimates
Cepstral mean and variance normalization (CMVN) is an efficient noise compensation technique popularly used in many speech applications. CMVN eliminates the mismatch between training and test utterances by transforming them to zero mean and unit ...
Low-Complexity Non-Uniform Penalized Affine Projection Algorithm for Sparse System Identification
In this paper, an improved sparse-aware affine projection (AP) algorithm for sparse system identification is proposed and investigated. The proposed sparse AP algorithm is realized by integrating a non-uniform norm constraint into the cost function of ...
Room Acoustics Analysis Using Circular Arrays: A Comparison Between Plane-Wave Decomposition and Modal Beamforming Approaches
A complete room acoustics analysis requires not only measurements of the single-room impulse response, but also a rigorous analysis of the sound field's spatial properties. Angle-dependent information for the direct and reflected waves is needed for a ...
Vowel-Based Non-uniform Prosody Modification for Emotion Conversion
The objective of this work is to develop a rule-based emotion conversion method for a better emotional perception. In this work, performance of emotion conversion using the linear modification model is improved by using vowel-based non-uniform prosody ...
Networked Reliable Synchronization of Chaotic Lur'e Systems with Sector- and Slope-Restricted Nonlinearities
This paper investigates the networked reliable synchronization problem of chaotic Lur'e systems containing the sector- and slope-restricted nonlinearities. The reliable synchronization of chaotic Lur'e systems is achieved based on networked control ...
Design and Implementation of Computationally Efficient Image Compressor for Wireless Capsule Endoscopy
An image compressor inside wireless capsule endoscope should have low power consumption, small silicon area, high compression rate and high reconstructed image quality. Simple and efficient image compression scheme, consisting of reversible color space ...
Statistical Distribution of Difference of the Maximum-Likelihood Angle-of-Arrival Spectra
We consider the performance analysis of the maximum-likelihood (ML) angle-of-arrival (AOA) estimation algorithm in this paper. Based on the observation that the ML AOA spectrum is noncentral chi-square distributed with known degree of freedom and known ...
A New Active Contour Model Based on Distance-Weighted Potential Field
Snakes, or active contours, have been widely used in various image processing applications. Typical problems of snakes, including limited capture range, poor convergence to concavities, noise sensitivity, and initialization sensitivity, have limited ...
Finite-Time $$L_1$$L1 Control for Positive Markovian Jump Systems with Partly Known Transition Rates
The paper deals with the problem of finite-time $$L_1$$L1 control for positive Markovian jump systems with partly known transition rates. Firstly, by constructing a linear co-positive Lyapunov function, sufficient conditions for finite-time boundedness ...
Design of Sigma-Point Kalman Filter with Recursive Updated Measurement
In this study, the authors focus on improving measurement update of existing nonlinear Kalman approximation filter and propose a new sigma-point Kalman filter with recursive measurement update. Statistical linearization technique based on sigma ...
Sequency Domain Signal Processing Using Complex Hadamard Transform
Signal processing can be performed in time domain as well as intransform domain. Frequency domain is perhaps the most widely used domain for transform domain signal processing. In this paper we analyze sequency domain (SD) signal processing as an ...
An Efficient FPGA Implementation for 2-D MUSIC Algorithm
Multiple signal classification (MUSIC) algorithm is widely used in measuring the direction of arrival. In VLSI implementation of a two-dimensional MUSIC algorithm, the two primary modules, eigenvalue decomposition and spatial spectrum search, generally ...
