238 search results - page 41 / 48 » Micro Phase Shifting |
TSP
2008
13 years 11 months ago
2008
The peak-to-average power ratio (PAR) of orthogonal frequency division multiplexing (OFDM) systems can be reduced by using an optimal set of subcarrier signs. However, this sign se...
IPM
2000
13 years 10 months ago
2000
The paper reviews the TREC Programme up to TREC-6 (1997), considering the test results, the substantive findings for IR that follow, and the lessons TREC offers for IR evaluation....
TNN
1998
13 years 10 months ago
1998
—Relaxation oscillations exhibiting more than one time scale arise naturally from many physical systems. When relaxation oscillators are coupled in a way that resembles chemical ...
GLOBECOM
2010
IEEE
13 years 9 months ago
2010
IEEE
We propose an adaptive transmission technique for optical wireless (OW) systems, operating in atmospheric turbulence and employing subcarrier phase shift keying (S-PSK) intensity m...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
The problem of secret sharing over the Gaussian wiretap channel is considered. A source and a destination intend to share secret information over a Gaussian channel in the presenc...