2007 search results - page 318 / 402 » SPECTRUM |
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TIFS
2008
14 years 9 months ago
2008
Abstract-- It has recently been discovered that using pseudorandom sequences as carriers in spread-spectrum techniques for data-hiding is not at all a sufficient condition for ensu...
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TIP
2008
14 years 9 months ago
2008
We consider the blind separation of source images from linear mixtures thereof, involving different relative spatial shifts of the sources in each mixture. Such mixtures can be cau...
TMI
2008
14 years 9 months ago
2008
Despite recovering a normal coronary flow after acute myocardial infarction, percutaneous coronary intervention does not guarantee a proper perfusion (irrigation) of the infarcted ...
JCM
2007
14 years 9 months ago
2007
— The use of signal processing techniques to protect wireless transmissions is proposed as a way to secure wireless networks at the physical layer. This approach addresses a uniq...
JCM
2007
14 years 9 months ago
2007
- Wireless Local Area Networking standard (Wi-Fi) and the WPAN standard (Bluetooth and Zigbee) products utilize the same unlicensed 2.4 GHz ISM band. Co-existence between such wire...