Abstract
The research analyses the application of particle filters in estimating and extracting the features of radar signal time-frequency energy distribution. Time-frequency representation is calculated using modified B distribution, where the estimation process model represents one time bin. An adaptive criterion for the calculation of particle weighted coefficients whose main parameters are frequency integral squared error and estimated maximum of mean power spectral density per one time bin is proposed. The analysis of the suggested estimation application has been performed on a generated signal in the absence of any noise, and consequently on modelled and recorded real radar signals. The advantage of the suggested method is in the solution of the issue of interrupted estimations of instantaneous frequencies which appears when these estimations are determined according to maximum energy distribution, as in the case of intersecting frequency components in a multicomponent signal.
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©2016 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Miniaturized Dual-Band Bandpass Filter Using Embedded Dual-Mode Resonator with Controllable Bandwidths
- Quasi Eighth-Mode Substrate Integrated Waveguide (SIW) Fractal Resonator Filter Utilizing Gap Coupling Compensation
- Bandwidth Enhancement of Cylindrical Dielectric Resonator Antenna Using Thin Dielectric Layer Fed by Resonating Slot
- A Novel Design of Frequency Reconfigurable Antenna for UWB Application
- An Accurate Method for Measuring Airplane-Borne Conformal Antenna’s Radar Cross Section
- Separation of Intercepted Multi-Radar Signals Based on Parameterized Time-Frequency Analysis
- Estimation and Extraction of Radar Signal Features Using Modified B Distribution and Particle Filters
- A Simple Permittivity Calibration Method for GPR-Based Road Pavement Measurements
- Performance Analysis of Hybrid WDM-FSO System under Various Weather Conditions
- A Locally Modal B-Spline Based Full-Vector Finite-Element Method with PML for Nonlinear and Lossy Plasmonic Waveguide
- Review of Magnetron Developments
Artikel in diesem Heft
- Frontmatter
- Miniaturized Dual-Band Bandpass Filter Using Embedded Dual-Mode Resonator with Controllable Bandwidths
- Quasi Eighth-Mode Substrate Integrated Waveguide (SIW) Fractal Resonator Filter Utilizing Gap Coupling Compensation
- Bandwidth Enhancement of Cylindrical Dielectric Resonator Antenna Using Thin Dielectric Layer Fed by Resonating Slot
- A Novel Design of Frequency Reconfigurable Antenna for UWB Application
- An Accurate Method for Measuring Airplane-Borne Conformal Antenna’s Radar Cross Section
- Separation of Intercepted Multi-Radar Signals Based on Parameterized Time-Frequency Analysis
- Estimation and Extraction of Radar Signal Features Using Modified B Distribution and Particle Filters
- A Simple Permittivity Calibration Method for GPR-Based Road Pavement Measurements
- Performance Analysis of Hybrid WDM-FSO System under Various Weather Conditions
- A Locally Modal B-Spline Based Full-Vector Finite-Element Method with PML for Nonlinear and Lossy Plasmonic Waveguide
- Review of Magnetron Developments