References in periodicals archive ?
Specifically, a larger value of [alpha] may generate more sub bands, which would lead to cases where the integrity of an MFSK signal would destroyed more easily.
For the signal combinations containing MFSK, the EQFM+4FSK (E4F) combination increased by 29.3% and the Frank+4FSK (F4F, [eta] = 20%, 40%, 60%) showed an average increase of 30.4%.
The improved EWT improves the separation performance of input hybrid signals, specifically maintaining the integrity of MFSK signals during division, while also achieving good processing efficiency.
Hanzo, "Erasure insertion in RS-coded SFH MFSK subjected to tone jamming and Rayleigh fading," IEEE Transactions on Vehicular Technology, vol.
Kim, "Error and erasure decoding scheme for RS codes in MFSK based FH/SSMA communication," International Journal of Multimedia and Ubiquitous Engineering, vol.
Through the elaboration of the merits and drawbacks of bi-spectrum and wavelet analyses, we can conclude that single analytic method cannot achieve ideal MFSK signal individual identification under low SNR.
As higher order statistics has one important characteristic that signal's phase information can be reflected by the second order spectrum, it can be used to extract the subtle features of MFSK signal individuals.
2 shows the bi-spectrum curves of different MFSK signals respectively.
3 shows the bi-spectrum slice curves of different MFSK signals respectively.
(2) For MFSK signals with different modulation order, the frequency and phase differences of different signals are obvious;
(3) Bi-spectrum slice can visually reflects the difference of several MFSK signals.
3 that different MFSK signals have different bi-spectrum slice curves.
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