yusuke1997/dblp-id-title huggingface dataset:
Optimized Backstepping-Based Containment Control for Multiagent Systems With Deferred Constraints Using a Universal Nonlinear Transformation
Synchronization Analysis of Two-Time-Scale Nonlinear Complex Networks With Time-Scale-Dependent Coupling
Fuzzy Sampled-Data Control for Synchronization of T-S Fuzzy Reaction-Diffusion Neural Networks With Additive Time-Varying Delays
Semisupervised Prior Free Rare Category Detection With Mixed Criteria
A Novel Piecewise Affine Filtering Design for T-S Fuzzy Affine Systems Using Past Output Measurements
Model Predictive Cooperative Control With ISM for Multiagent Systems Under Stochastic Communication Protocol
Cerebellum-Inspired Learning and Control Scheme for Redundant Manipulators at Joint Velocity Level
Moving-Target Circumnavigation Using Adaptive Neural Anti-Synchronization Control via Distance-Only Measurements
Distributed Adaptive Fault-Tolerant Control for Multiagent Systems via Virtual-Actuator-Based Reconfiguration
Performance-Based Distributed Control of Multiagent Systems: A Dual Phase Approach
Spectral Segmentation via Midlevel Cues Integrating Geodesic and Intensity
Adaptive Neural Network Control for the Trajectory Tracking of the Furuta Pendulum
Decentralized Robust Portfolio Optimization Based on Cooperative-Competitive Multiagent Systems
Weighted Low-Rank Tensor Recovery for Hyperspectral Image Restoration
PriMPSO: A Privacy-Preserving Multiagent Particle Swarm Optimization Algorithm
Attacks on Formation Control for Multiagent Systems
Input-to-State Stability of Nonlinear Impulsive Systems Subjects to Actuator Saturation and External Disturbance
Event-Triggered Schemes on Leader-Following Consensus of General Linear Multiagent Systems Under Different Topologies
Flexible Job-Shop Rescheduling for New Job Insertion by Using Discrete Jaya Algorithm
Deep Bidirectional Recurrent Neural Networks Ensemble for Remaining Useful Life Prediction of Aircraft Engine
Self-Paced Dynamic Infinite Mixture Model for Fatigue Evaluation of Pilots' Brains
Stabilization With Prescribed Instant for High-Order Integrator Systems
Quasi-Synchronization of Fractional Multiweighted Coupled Neural Networks via Aperiodic Intermittent Control
A Normalized Statistical Metric Space for Hidden Markov Models
A Novel Riemannian Metric Based on Riemannian Structure and Scaling Information for Fixed Low-Rank Matrix Completion
Consensus of Heterogeneous Linear Multiagent Systems With Communication Time-Delays
Lateral Inhibition Pyramidal Neural Network for Image Classification
Mean Square Exponential l₂ - l ∞ Control of Switched-Markovian Jump Systems With Edge-Dependent Transition Probability
Low-Complexity Tracking Control of Unknown Strict-Feedback Systems With Quantitative Performance Guarantees
Adaptive Elastic Echo State Network for Multivariate Time Series Prediction
Network-Scale Traffic Signal Control via Multiagent Reinforcement Learning With Deep Spatiotemporal Attentive Network
Optimal Stealthy Attacks With Energy Constraint Against Remote State Estimation
Dynamic Rigid Bodies Mining and Motion Estimation Based on Monocular Camera
Adaptive Approximation Tracking Control of a Continuum Robot With Uncertainty Disturbances
A New Method for Topology Identification of Complex Dynamical Networks
Event-Triggered Distributed Average Consensus Over Directed Digital Networks With Limited Communication Bandwidth
HMM-Based Asynchronous H ∞ Filtering for Fuzzy Singular Markovian Switching Systems With Retarded Time-Varying Delays
Evolutionary Dynamic Multiobjective Optimization Via Kalman Filter Prediction
Adaptive Replacement Strategies for MOEA/D
Secure State Estimation With Switched Compensation Mechanism Against DoS Attacks
Hyperspectral Image Classification via Discriminant Gabor Ensemble Filter
Mining Spatial-Temporal Patterns and Structural Sparsity for Human Motion Data Denoising
A Structure Constraint Matrix Factorization Framework for Human Behavior Segmentation
Tip Position Control and Vibration Suppression of a Planar Two-Link Rigid-Flexible Underactuated Manipulator
Adaptive Memetic Computing for Evolutionary Multiobjective Optimization
Attention and Prediction-Guided Motion Detection for Low-Contrast Small Moving Targets
How to Analyze the Neurodynamic Characteristics of Pulse-Coupled Neural Networks? A Theoretical Analysis and Case Study of Intersecting Cortical Model
Constrained Superpixel Tracking
Anti-Synchronization of Discrete-Time Fuzzy Memristive Neural Networks via Impulse Sampled-Data Communication
Finite-Time H ∞ Estimator Design for Switched Discrete-Time Delayed Neural Networks With Event-Triggered Strategy
Robust Fusion of Color and Depth Data for RGB-D Target Tracking Using Adaptive Range-Invariant Depth Models and Spatio-Temporal Consistency Constraints
A Robust Predefined-Time Convergence Zeroing Neural Network for Dynamic Matrix Inversion
Label-Specific Time-Frequency Energy-Based Neural Network for Instrument Recognition
Dynamic Detection-Rate-Based Bit Allocation With Genuine Interval Concealment for Binary Biometric Representation
Mission Planning for Energy-Efficient Passive UAV Radar Imaging System Based on Substage Division Collaborative Search
Event-Triggered Control for the Disturbance Decoupling Problem of Boolean Control Networks
Predictive Control of Networked Multiagent Systems via Cloud Computing
Neural-Network-Based Constrained Output-Feedback Control for MEMS Gyroscopes Considering Scarce Transmission Bandwidth
Finite Strategy Switches of Coordinating and Anti-Coordinating Games on Weighted Networks
Hierarchical Granular Computing-Based Model and Its Reinforcement Structural Learning for Construction of Long-Term Prediction Intervals
Distributed Algorithms for Searching Generalized Nash Equilibrium of Noncooperative Games
PLC-Informed Distributed Game Theoretic Learning of Energy-Optimal Production Policies
Cooperative Control for Stochastic Multiagent Systems With Deferred Dynamic Constraints via a Novel Universal Barrier Function Approach
Output-Feedback-Based Adaptive Leaderless Consensus for Heterogenous Nonlinear Multiagent Systems With Switching Topologies
Redesigned Predictive Event-Triggered Controller for Networked Control System With Delays
Adaptive Dynamic Programming for Model-Free Global Stabilization of Control Constrained Continuous-Time Systems
Robust and Precise Facial Landmark Detection by Self-Calibrated Pose Attention Network
Robust Design of Fuzzy Structured Controllers via a Moving Boundaries Process
Nash Equilibrium Seeking for General Linear Systems With Disturbance Rejection
A Nonhomogeneous Cuckoo Search Algorithm Based on Quantum Mechanism for Real Parameter Optimization
Greedy Criterion in Orthogonal Greedy Learning
CEQD: A Complex Mass Function to Predict Interference Effects
Prescribed-Time Optimal Formation Control Using Fuzzy Reinforcement Learning for Second-Order Multiagent Systems
A Knowledge-Based Semisupervised Hierarchical Online Topic Detection Framework
Event-Triggered Coordination for Formation Tracking Control in Constrained Space With Limited Communication
Distributed Robust Fault Estimation for Multiagent Systems Based on Transition Variable Estimator
High-Speed General Purpose Genetic Algorithm Processor
Anti-Martingale Proximal Policy Optimization
Distributed Optimization With Projection-Free Dynamics: A Frank-Wolfe Perspective
Asynchronous Control for Discrete-Time Hidden Markov Jump Power Systems
Conservation Risks: When Will Rhinos be Extinct?
Event-Triggered Distributed Control of Nonlinear Interconnected Systems Using Online Reinforcement Learning With Exploration
Attribute-Driven Granular Model for EMG-Based Pinch and Fingertip Force Grand Recognition
An Overview of Recent Advances in Event-Triggered Consensus of Multiagent Systems
Quality Prediction Modeling for Industrial Processes Using Multiscale Attention-Based Convolutional Neural Network
Approximation-Based Adaptive Neural Tracking Control of Nonlinear MIMO Unknown Time-Varying Delay Systems With Full State Constraints
A Grid Weighted Sum Pareto Local Search for Combinatorial Multi and Many-Objective Optimization
Industrial Power Load Forecasting Method Based on Reinforcement Learning and PSO-LSSVM
Resilient Time-Varying Formation-Tracking of Multiagent Systems Against Hybrid Attacks With Applications to Spacecraft Formation
Online Anomaly Detection in Crowd Scenes via Structure Analysis
The Design of Free Structure Granular Mappings: The Use of the Principle of Justifiable Granularity
A Simple and Fast Hypervolume Indicator-Based Multiobjective Evolutionary Algorithm
Feature Distilled Tracking
Scaled Simplex Representation for Subspace Clustering
Learning Both Dynamic-Shared and Dynamic-Specific Patterns for Chaotic Time-Series Prediction
Accommodating Multiple Tasks' Disparities With Distributed Knowledge-Sharing Mechanism
Asynchronous Control of Stochastic Switched Boolean Control Networks With Piecewise-Homogeneous Dwell Time
A Distributed Dynamic Event-Triggered Control Approach to Consensus of Linear Multiagent Systems With Directed Networks
Ant Colony Stream Clustering: A Fast Density Clustering Algorithm for Dynamic Data Streams
Synchronization of Complex Networks With Nondifferentiable Time-Varying Delay
Multidimensional Data Processing With Bayesian Inference via Structural Block Decomposition
Toward Efficient Team Formation for Crowdsourcing in Noncooperative Social Networks
Tooth-Marked Tongue Recognition Using Multiple Instance Learning and CNN Features
Minimum Operator-Based Data-Driven Sliding Mode Control for a Magnetorheological Fluid Dual Clutch
A Robot Motion Learning Method Using Broad Learning System Verified by Small-Scale Fish-Like Robot
Data-Knowledge-Driven Multiobjective Adaptive Optimal Control for Wastewater Treatment Processes Under Multiple Operating Conditions
Semantically Enhanced Online Configuration of Feedback Control Schemes
Observer-Based Event-Triggered Control for Networked Linear Systems Subject to Denial-of-Service Attacks
Enclosing Control for Multiagent Systems With a Moving Target of Unknown Bounded Velocity
Finite-Time Consensus for Singularity-Perturbed Multiagent System via Memory Output Sliding-Mode Control
NGA-Inspired Nanorobots-Assisted Detection of Multifocal Cancer
Semisupervised Manifold Regularization via a Subnetwork-Based Representation Learning Model
Isoperimetric Constraint Inference for Discrete-Time Nonlinear Systems Based on Inverse Optimal Control
Instance Annotation via Optimal BoW for Weakly Supervised Object Localization
Domain Adaptation Multitask Optimization
Efficient Semisupervised MEDLINE Document Clustering With MeSH-Semantic and Global-Content Constraints
Event-Triggered Stabilization of a Linear System With Model Uncertainty and i.i.d. Feedback Dropouts
Generative Adversarial Networks and Conditional Random Fields for Hyperspectral Image Classification
Semisupervised Adaptive Symmetric Non-Negative Matrix Factorization
Camera-Assisted Video Saliency Prediction and Its Applications
Hierarchical Relaxed Partitioning System for Activity Recognition
Dual Alignment for Partial Domain Adaptation
Robust Adaptive Fuzzy Tracking Control for Pure-Feedback Stochastic Nonlinear Systems With Input Constraints
Maneuvering Target Tracking With Event-Based Mixture Kalman Filter in Mobile Sensor Networks
An Optimal Three-Dimensional Drone Layout Method for Maximum Signal Coverage and Minimum Interference in Complex Pipeline Networks
Two-Dimensional Asynchronous Sliding-Mode Control of Markov Jump Roesser Systems
Global Stabilization of Fuzzy Memristor-Based Reaction-Diffusion Neural Networks
Decentralized Nonconvex Robust Optimization Over Unsafe Multiagent Systems: System Modeling, Utility, Resilience, and Privacy Analysis
Decentralized Neurocontroller Design With Critic Learning for Nonlinear-Interconnected Systems
Cooperative Tracking Control of Multiagent Systems: A Heterogeneous Coupling Network and Intermittent Communication Framework
Bare Bones Particle Swarm Optimization With Scale Matrix Adaptation
Multilayer Obstacle-Avoiding X-Architecture Steiner Minimal Tree Construction Based on Particle Swarm Optimization
Generalized Conditional Domain Adaptation: A Causal Perspective With Low-Rank Translators
Secure Consensus Control of Multiagent Systems Under DoS Attacks: A Switching-Scheme-Based Active Defense Method
Semi-Supervised Graph Structure Learning via Dual Reinforcement of Label and Prior Structure
Observer-Based Consensus Tracking of Nonlinear Agents in Hybrid Varying Directed Topology
Finite-Horizon H ∞ State Estimation for Stochastic Coupled Networks With Random Inner Couplings Using Round-Robin Protocol
Accelerated Guided Sampling for Multistructure Model Fitting
Feature Weighted Non-Negative Matrix Factorization
Nonsynchronized Robust Filtering Design for Continuous-Time T-S Fuzzy Affine Dynamic Systems Based on Piecewise Lyapunov Functions
Two-Fold Personalized Feedback Mechanism for Social Network Consensus by Uninorm Interval Trust Propagation
Periodic Event-Triggered Output-Feedback Control of Stochastic Nonlinear Systems With Flexible Tracking Performance
Group Consensus in Finite Time for Fractional Multiagent Systems With Discontinuous Inherent Dynamics Subject to Hölder Growth
On Relative-Output Feedback Approach for Group Consensus of Clusters of Multiagent Systems
Data-Driven Practical Cooperative Output Regulation Under Actuator Faults and DoS Attacks
Distributed Control of High-Order Nonlinear Input Constrained Multiagent Systems Using a Backstepping-Free Method
An Ensemble Surrogate-Based Coevolutionary Algorithm for Solving Large-Scale Expensive Optimization Problems
Heuristic Ternary Error-Correcting Output Codes Via Weight Optimization and Layered Clustering-Based Approach
Prescribed Performance for Bipartite Tracking Control of Nonlinear Multiagent Systems With Hysteresis Input Uncertainties
Event-Triggered Reduced-Order Filtering for Continuous Semi-Markov Jump Systems With Imperfect Measurements
Online Semisupervised Active Classification for Multiview PolSAR Data
New Techniques for Mining Frequent Patterns in Unordered Trees
Secure Containment Control for Multi-UAV Systems by Fixed-Time Convergent Reinforcement Learning
Kinematic Characterization of a Target-Defense Problem With an Interception and Expelling Strategy
Precise Tracking Control for Articulating Crane: Prescribed Performance, Adaptation, and Fuzzy Optimality by Nash Game
Mission Aware Motion Planning (MAP) Framework With Physical and Geographical Constraints for a Swarm of Mobile Stations
Output-Feedback Flocking Control of Multiple Autonomous Surface Vehicles Based on Data-Driven Adaptive Extended State Observers
Machine Learning Source Separation Using Maximum a Posteriori Nonnegative Matrix Factorization
FaRoC: Fast and Robust Supervised Canonical Correlation Analysis for Multimodal Omics Data
Matrix-Form Neural Networks for Complex-Variable Basis Pursuit Problem With Application to Sparse Signal Reconstruction
A Decomposition-Based Many-Objective Evolutionary Algorithm With Two Types of Adjustments for Direction Vectors
Network-Based Output Tracking Control for a Class of T-S Fuzzy Systems That Can Not Be Stabilized by Nondelayed Output Feedback Controllers
Consensus of Multiagent Systems With Time-Varying Delays and Switching Topologies Based on Delay-Product-Type Functionals
Robust Gait Recognition by Integrating Inertial and RGBD Sensors
A Fast Adaptive Tunable RBF Network For Nonstationary Systems
Adaptive Finite-Time Fault-Tolerant Control for Uncertain Flexible Flapping Wings Based on Rigid Finite Element Method
A Multirobot Path-Planning Strategy for Autonomous Wilderness Search and Rescue
Strategic Topological Formation for Wireless Control Systems
Generative Adversarial Construction of Parallel Portfolios
Near-Optimal Resilient Control Strategy Design for State-Saturated Networked Systems Under Stochastic Communication Protocol
Bearing-Constrained Leader-Follower Formation of Single-Integrators With Disturbance Rejection: Adaptive Variable-Structure Approaches
Probabilistic Rank-One Discriminant Analysis via Collective and Individual Variation Modeling
Exploring Web Images to Enhance Skin Disease Analysis Under A Computer Vision Framework
Suppression of Packet Losses and Disturbances in Networked Control Systems Based on Equivalent-Input-Disturbance Approach
Exploring Representativeness and Informativeness for Active Learning
Adaptive Reinforcement Learning Neural Network Control for Uncertain Nonlinear System With Input Saturation
Adaptive Control With Global Exponential Stability for Parameter-Varying Nonlinear Systems Under Unknown Control Gains
DNA: Deeply Supervised Nonlinear Aggregation for Salient Object Detection
Distributed Asynchronous Constrained Output Formation Optimal Tracking for Multiagent Systems With Intermittent Communications
Event-Triggered Control of Switched Nonlinear Time-Delay Systems With Asynchronous Switching
H ∞ Tracking Control of Uncertain Markovian Hybrid Switching Systems: A Fuzzy Switching Dynamic Adaptive Control Approach
Automated Graph Regularized Projective Nonnegative Matrix Factorization for Document Clustering
Distributed Sliding-Mode Tracking Control of Second-Order Nonlinear Multiagent Systems: An Event-Triggered Approach
Fuzzy Complex Dynamical Networks and Its Synchronization
Sparse Multiview Task-Centralized Ensemble Learning for ASD Diagnosis Based on Age- and Sex-Related Functional Connectivity Patterns
Multiobjective Formulation of Multiple Sequence Alignment for Phylogeny Inference
Deep Reinforcement Learning With Quantum-Inspired Experience Replay
Adaptive NN Fixed-Time Fault-Tolerant Control for Uncertain Stochastic System With Deferred Output Constraint via Self-Triggered Mechanism
Inverse Q-Learning Using Input-Output Data
Optimal Sensor Grouping Transmission Strategy for Multiple Processes Over Packet-Dropping Channels
Multiobjective Multitasking Optimization With Decomposition-Based Transfer Selection
Dynamic Event-Triggered Control for Interval Type-2 Fuzzy Systems Under Fading Channel
Discovering the Relationship Between Generalization and Uncertainty by Incorporating Complexity of Classification
Fault-Tolerant Attitude Control for Rigid Spacecraft Without Angular Velocity Measurements
Ordinal Regression by a Generalized Force-Based Model
Adaptive Descriptor Sliding-Mode Observer-Based Dynamic Event-Triggered Consensus of Multiagent Systems Against Actuator and Sensor Faults
Nonfragile Output Feedback Tracking Control for Markov Jump Fuzzy Systems Based on Integral Reinforcement Learning Scheme
Microscale Searching Algorithm for Coupling Matrix Optimization of Automated Microwave Filter Tuning
Novel Neural Networks-Based Fault Tolerant Control Scheme With Fault Alarm
A Competitive Swarm Optimizer for Large Scale Optimization
Input-to-State Stability of Switched Network Control Systems Under Unknown Deception Attacks
Accelerated Log-Regularized Convolutional Transform Learning and Its Convergence Guarantee
Event-Triggered Model-Free Adaptive Formation Constrained Control for Nonlinear Heterogeneous Multiagent Systems
Continuous Support Vector Regression for Nonstationary Streaming Data
Distributed Event-Triggered Algorithm Designs for Resource Allocation Problems via a Universal Scalar Function-Based Analysis
Learning-Based Fault-Tolerant Optimal Formation Control of Helicopters: An Incremental Fully Actuated System Approach
Offline and Online Adaptive Critic Control Designs With Stability Guarantee Through Value Iteration
Visual Tracking With Convolutional Random Vector Functional Link Network
Trajectory Tracking of Variable Centroid Objects Based on Fusion of Vision and Force Perception
2-D Stochastic Configuration Networks for Image Data Analytics
Distributed Fuzzy Optimal Consensus Control of State-Constrained Nonlinear Strict-Feedback Systems
Fast Algorithm for Computing Analysis Windows in Real-Valued Discrete Gabor Transform
A Freehand Scanning Method for Measuring EMF Distributions Using Magnetic Tracker
Hybrid System Based Nonlinear Least Squares Optimization Applied to a Multi-Machine Power System Control
Speech Recognition Using Finger Tapping Timings
Simple Switched-Beam Array Antenna System for Mobile Satellite Communications
Flash-Aware Page Management Policy of a Navigation-Specialized Mobile DBMS for an Incremental Map Update
Linearization Method and Linear Complexity
A Small and Fast IP Forwarding Table Using Hashing
An Opportunistic Forwarding Scheme Exploiting both Long Progress and Adaptive Rate in Wireless Networks
High Moisture Resistant and Reliable Gate Structure Design in High Power pHEMTs for Millimeter-Wave Applications
Intelligent Data Rate Control in Cognitive Mobile Heterogeneous Networks
Prediction of the Helmholtz-Kohlrausch Effect for Natural Images Using a Correction Function
DWT Domain On-Line Signature Verification Using the Pen-Movement Vector
Performance Comparison of Detection Methods for Combined STBC and SM Systems
New Factorization Algorithms for Channel-Factorization Aided MMSE Receiver in MIMO Systems
Raman-Based 10.66 Gb/s Bidirectional TDM over Long-Reach WDM Hybrid PON
Non-Orthogonal Pilot Analysis for Single-Cell Massive MIMO Circumstances
A Noise Reduction Method Based on Linear Prediction with Variable Step-Size
An Effective Acoustic Feedback Cancellation Algorithm Based on the Normalized Sub-Band Adaptive Filter
Performance Comparison of Multi-User Shared Multiple Access Scheme in Uplink Channels
Surface Reconstruction of Renal Corpuscle from Microscope Renal Biopsy Image Sequence
Weight Distributions of Multi-Edge Type LDPC Codes
A Single-Supply 84 dB DR Audio-Band ADC for Compact Digital Microphones
Migration Cost Sensitive Garbage Collection Technique for Non-Volatile Memory Systems
A Time-Domain Architecture and Design Method of High Speed A-to-D Converters with Standard Cells
Cubic GaN/AlGaN HEMTs on 3C-SiC Substrate for Normally-Off Operation
A New Blind Beamforming and Hop-Timing Detection for FH Communications
Flash Crowd Absorber for P2P Video Streaming
The Front-End LSI with a 5-Tap PRML for 2 x Reading and Writing of BD-R/RW/ROM
Performance Evaluation of a Two-Processor Scheduling Method for Acyclic SWITCH-less Program Nets
Reduced-Reference Image Quality Assessment Based on Discrete Cosine Transform Entropy
Analysis of Mean Waiting Time for Delivery of a Message in Mobile Multi-Hop Networks
A Method of Precise Estimation of Physical Parameters in LSI Interconnect Structures
Throttling Capacity Sharing Using Life Time and Reuse Time Prediction in Private L2 Caches of Chip Multiprocessors
New Families of Binary Sequence Pairs with Three-Level Correlation and Odd Composite Length
A Length Matching Routing Algorithm for Set-Pair Routing Problem
Error Evaluation of an F0-Adaptive Spectral Envelope Estimator in Robustness against the Additive Noise and F0 Error
Sensor Localization Based on AOA-Assisted NLOS Identification
Building-Block Supply in Real-Coded Genetic Algorithms: A First Step on the Population-Sizing Model
Selection of Step-Size Parameter in Neural Networks for Dual Linear Programming
Reading Technique of 2.45 GHz Band Small RFID Tags with an Adapter
Partial Volume Correction on ASL-MRI and Its Application on Alzheimer's Disease Diagnosis
A Summer-Embedded Sense Amplifier for High-Speed Decision Feedback Equalizer
1lambda-Deviation Compensation Scheme for Ultrasonic Positioning System
Range and Size Estimation Based on a Coordinate Transformation Model for Driving Assistance Systems
A Microstrip Phase Shifter Design Using a Switch-Loaded Ground Plate
Effect of Photoreactive SAM at the Interface of an Indium-Tin Oxide Electrode and a Polymer Hole Transport Layer
Deciding Schema k -Secrecy for XML Databases
Performance of Interference Rejection Combining Receiver Employing Minimum Mean Square Error Filter for Licensed-Assisted Access
Effect of Arrangement of Input Gates on Logic Switching Characteristics of Nanodot Array Device
Weight Distributions of Non-binary LDPC Codes
Parameter Sharing in Mixture of Factor Analyzers for Speaker Identification
On-Orbit Estimation and Calibration of GPS Antenna Geometry Offsets for Attitude Determination of LEO Satellites
A 41 mW VGA@30 fps Quadtree Video Encoder for Video Surveillance Systems
On the High-Frequency Characteristics and Model of Bulk Effect in RF MOSFETs