Phase Dependent and Independent Frequency Identification of Weak Signals Based on Duffing Oscillator via Particle Swarm Optimization.
Yuan ChangYi HaoChunwen LiPublished in: Circuits Syst. Signal Process. (2014)
Keyphrases
- weak signal
- duffing oscillator
- particle swarm optimization
- weak signal detection
- signal detection
- pso algorithm
- completely independent
- particle swarm
- global optimization
- particle swarm optimization algorithm
- particle swarm optimization pso
- multi objective
- convergence speed
- statistically independent
- differential evolution
- genetic algorithm
- swarm intelligence
- low snr
- frequency modulation
- instantaneous frequency