Under-sampling spectrum-sparse signals based on active aliasing for low probability detection.
Lintao LiJianping AnZhongyong WangXiangming LiPublished in: Secur. Commun. Networks (2015)
Keyphrases
- low signal to noise ratio
- false alarm rate
- signal processing
- detection method
- signal detection
- spectrum sensing
- detection algorithm
- false alarms
- automatic detection
- phase locked
- low pass filtering
- detection accuracy
- sparse coding
- detection rate
- high frequency
- object detection
- false positives
- anomaly detection
- sparse data
- high dimensional
- weak signal
- low frequency
- natural images
- low pass filter
- multi view
- motion estimation
- image sequences