design and development of a secure wireless ... - ePrints@USM
design and development of a secure wireless ... - ePrints@USM
design and development of a secure wireless ... - ePrints@USM
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
4.14 Down-sampled I <strong>and</strong> Q waveforms after decoding with<br />
72<br />
original PN-Sequence<br />
4.15 Extracted bit stream 73<br />
4.16 Constellation plot <strong>of</strong> received signal 74<br />
4.17 Signal spectrum (a) before <strong>and</strong> (b) after PN-sequence 75<br />
4.18 Performance <strong>of</strong> FH/BFSK system in partial-b<strong>and</strong> noise for<br />
several fixed values <strong>of</strong> ρ<br />
77<br />
4.19 Degradation in FH/MFSK performance due to worst case,<br />
partial-b<strong>and</strong> noise Jamming with M =2<br />
4.20 Degradation in FH/MFSK performance due to worst case,<br />
partial-b<strong>and</strong> noise Jamming with M =4<br />
4.21 Degradation in FH/MFSK performance due to worst case,<br />
partial-b<strong>and</strong> noise Jamming with M =8<br />
4.22 Degradation in FH/MFSK performance due to worst case,<br />
partial-b<strong>and</strong> noise jamming with M =16<br />
78<br />
79<br />
79<br />
80<br />
vi
Change language