Robust Active Sonar Detection in Frequency and Time Dispersive Channels Using Matching Envelope Spectrum of Multi-Pulse LFM Signals.
Shuai YaoWenhui YuShiliang FangShuxia HuangPublished in: IEEE Access (2020)
Keyphrases
- frequency spectrum
- fourier transform
- frequency band
- frequency domain
- frequency analysis
- scale and rotation invariant
- feature descriptors
- weak signal
- spectral features
- noisy environments
- signal detection
- low signal to noise ratio
- signal processing
- detection algorithm
- multi channel
- spectrum sensing
- detection rate
- matching algorithm
- false alarms
- frequency modulation
- spectrum analysis
- false positives
- band limited
- ultra wideband
- cognitive radio
- shape matching
- computer vision
- cognitive radio networks
- low frequency
- object detection