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Accuracy of distance measurements using signal tracking of spread-spectrum ultrasonic waves with CDMA.
Akimasa Suzuki
Ken Kumakura
Yongwoon Choi
Taketoshi Iyota
Published in:
IPIN (2014)
Keyphrases
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spread spectrum
direct sequence spread spectrum
image watermarking
frequency hopping
signal processing
transform domain
data hiding
bit error rate
maximum likelihood
frequency domain
multimedia data
communication systems
watermarking algorithm