A covariance matrix-based spectrum sensing technology exploiting stochastic resonance and filters.
Jin LuMing HuangJingjing YangPublished in: EURASIP J. Adv. Signal Process. (2021)
Keyphrases
- covariance matrix
- spectrum sensing
- covariance matrices
- stochastic resonance
- principal component analysis
- sample size
- cognitive radio networks
- cognitive radio
- key technologies
- objective function
- geometrical interpretation
- image enhancement
- computer systems
- image quality
- edge detection
- co occurrence
- upper bound
- computer vision