Measuring harmonics by an improved FFT-based algorithm with considering frequency variations.
G. W. ChangCheng-Yi ChenMeng-Chi WuPublished in: ISCAS (2006)
Keyphrases
- dynamic programming
- theoretical analysis
- detection algorithm
- input data
- optimization algorithm
- times faster
- k means
- matching algorithm
- objective function
- computational complexity
- cost function
- high accuracy
- learning algorithm
- expectation maximization
- linear programming
- computational cost
- np hard
- preprocessing
- optimal solution
- high frequency
- tree structure
- convergence rate
- back projection
- ant colony optimization
- frequency domain
- clustering method
- particle swarm optimization
- signal processing
- experimental evaluation
- search space
- similarity measure
- feature extraction