DOA Estimation of Coherent Wideband LFM Signals Based on Sparse Representation of FRFT Domain.
Xiuhong WangXingpeng MaoYaliang WangAijun LiuPublished in: CSPS (2017)
Keyphrases
- sparse representation
- doa estimation
- direction of arrival
- fractional fourier transform
- dictionary learning
- signal processing
- canonical correlation analysis
- sparse coding
- face recognition
- sound source
- image classification
- blind source separation
- random projections
- compressive sensing
- image patches
- estimation error
- signal to noise ratio
- image representation
- dimensionality reduction
- joint optimization
- test images
- antenna array
- machine learning
- neural network
- high dimensional data
- unsupervised learning
- higher order
- object recognition
- pattern recognition
- feature selection