DYNAMIC ESTIMATION FOR PARAMETERS OF INTERFERENCE SIGNALS BY THE SECOND ORDER EXTENDED KALMAN FILTERING
Annotation
Data processing in the interferometer systems requires high-resolution and high-speed algorithms. Recurrence algorithms based on parametric representation of signals execute consequent processing of signal samples. In some cases recurrence algorithms make it possible to increase speed and quality of data processing as compared with classic processing methods. Dependence of the measured interferometer signal on parameters of its model and stochastic nature of noise formation in the system is, in general, nonlinear. The usage of nonlinear stochastic filtering algorithms is expedient for such signals processing. Extended Kalman filter with linearization of state and output equations by the first vector parameters derivatives is an example of these algorithms. To decrease approximation error of this method the second order extended Kalman filtering is suggested with additionally usage of the second vector parameters derivatives of model equations. Examples of algorithm implementation with the different sets of estimated parameters are described. The proposed algorithm gives the possibility to increase the quality of data processing in interferometer systems in which signals are forming according to considered models. Obtained standard deviation of estimated amplitude envelope does not exceed 4% of the maximum. It is shown that signal-to-noise ratio of reconstructed signal is increased by 60%.
Keywords
Постоянный URL
Articles in current issue
- FROM THE HISTORY OF LASER CREATION
- DYNAMIC ESTIMATION FOR PARAMETERS OF INTERFERENCE SIGNALS BY THE SECOND ORDER EXTENDED KALMAN FILTERING
- IMPLEMENTATIONS AND PRACTICAL APPLICATIONS OF HYPERBOLIC METAMATERIALS
- OPTICAL DEFLECTOR CREATION FOR LASER THERAPEUTIC DEVICES
- PROXIMITY DEGREE FOR SIMPLE AND MULTIPLE STRUCTURES OF THE EIGENVALUES: OVERSHOOT MINIMIZATION FOR FREE MOTION TRAJECTORIES OF APERIODIC SYSTEM
- TRUST MODEL FOR INFORMATION SECURITY OF MULTI-AGENT ROBOTIC SYSTEMS WITH A DECENTRALIZED MANAGEMENT
- INFORMATION SECURITY ASSESSMENT FOR MULTI-AGENT ROBOTIC SYSTEM UNDER THE INFORMATION IMPACT
- TRAJECTORY CONTROL OF A SOLID BODY RELATIVE TO THE MOVABLE OBJECT
- DEVELOPMENT OF TRAJECTORY CONTROL SYSTEM FOR THE OMNIDIRECTIONAL MOBILE ROBOT
- STABILITY OF LINEAR MULTIAGENT SCALAR SYSTEMS AND ITS DEPENDENCE ON CONNECTIVITY GRAPH
- ADAPTIVE CONTROL OF TWO-LINK ROBOT MANIPULATOR BASED ON THE METHOD OF CONSECUTIVE COMPENSATOR
- INVESTIGATION OF MICRO AND NANOSTRUCTURE OF HYDROPHOBIC PLANTS SURFACE
- APPLICATION OF THE DIRECTED MUTATION TO CELLULAR AUTOMATA GENERATION PROCESS
- EXPRESS METHOD OF BARCODE GENERATION FROM FACIAL IMAGES
- THREE-MOMENT BASED APPROXIMATION OF PROBABILITY DISTRIBUTIONS IN QUEUEING SYSTEMS
- TECHNIQUE OF OPTIMAL AUDIT PLANNING FOR INFORMATION SECURITY MANAGEMENT SYSTEM
- METHODS FOR QUALITY ENHANCEMENT OF USER VOICE SIGNAL IN VOICE AUTHENTICATION SYSTEMS
- NETWORK SERVICES FOR DIAGNOSTIC OPTODIGITAL COMPLEX FOR TELEMEDICINE
- THERMAL SIMILARITY OF SPACE OBJECTS OF STANDARD CONFIGURATIONS
- THERMAL PROTECTION AND THERMAL STABILIZATION OF FIBER-OPTICAL GYROSCOPE INCLUDED IN STRAPDOWN INERTIAL NAVIGATION SYSTEM
- MONOBLOCK EMITTERS FOR MELTING OF SYNTHETIC FATTY ACIDS
- MULTI-AGENT APPROACH IN PREDICTION OF RELIABILITY PARAMETERS FOR ELECTRONIC MODULES
- SELECTION OF INFORMATION PROTECTION SYSTEM BY ENSURING THE COMPETITIVENESS OF ENTERPRISES
- THE ARCHITECTURE OF THE REMOTE CONTROL SYSTEM OF ROBOTICS OBJECTS
- THE SYSTEM OF TECHNICAL VISION IN THE ARCHITECTURE OF THE REMOTE CONTROL SYSTEM
- VIRTUAL COGNITIVE CENTERS AS INTELLIGENT SYSTEMS FOR MANAGEMENT INFORMATION SUPPORT OF REGIONAL SECURITY
- LASER SCANNING APPLICATION FOR DETECTION OF HUMAN POSTURE DISTORTION DURING MASS EXAMINATIONS
- CONCEPTUAL EXTENSION OF WEB SERVICES FUNCTIONAL DESCRIPTION
- TIMELINESS ASSESSMENT FOR IMPLEMENTATION OF THE CRITICAL REQUESTS IN TWO-LEVEL CLUSTERS