A novel time-frequency exciser in spread spectrum communications for chirp-like interference.
Aykut BultanAli N. AkansuPublished in: ICASSP (1998)
Keyphrases
- spread spectrum
- direct sequence spread spectrum
- frequency hopping
- frequency domain
- instantaneous frequency
- fourier transform
- transform domain
- spatial domain
- multiple access
- image watermarking
- data hiding
- communication systems
- short time fourier transform
- signal processing
- frequency modulation
- watermarking algorithm
- watermarking scheme
- digital watermarking
- multipath
- bit error rate
- image processing