Property of New Periodic Binary Codes Compressed to Several Chips

Property of New Periodic Binary Codes Compressed to Several Chips

The new periodic binary codes, which compress to several chips, are searched in range of code length 50 by computers. We then found many new periodic binary codes with one for peak side-lobe level and zero for all side-lobe, which are different in M-sequences. Ratio of the peak side lobe level to th...

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Bibliographische Detailangaben
Hauptverfasser: Yamashita, S., Shinriki, M., Susaki, H., Takase, H.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Autocorrelation
Bandwidth
Binary codes
Equations
Frequency modulation
Marine
MATLAB
Phase modulation
Pulse compression methods
Sonar
Space vector pulse width modulation
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Zusammenfassung:The new periodic binary codes, which compress to several chips, are searched in range of code length 50 by computers. We then found many new periodic binary codes with one for peak side-lobe level and zero for all side-lobe, which are different in M-sequences. Ratio of the peak side lobe level to the peak main lobe level for the new periodic binary codes is evaluated. Further, the Doppler characteristics and frequency band characteristics are obtained by using of MATLAB / Simulink. The results are compared with the M-sequences. It is assumed the results are better than these of the M-sequences.
DOI:10.1109/OCEANSKOBE.2008.4530944