• DocumentCode
    3419713
  • Title

    Improving Ambiguity Function of Costas signal

  • Author

    Kasas, Khaola ; Aboulnour, Hassan ; Kawas, Osama

  • Author_Institution
    Dep. of Electron. & Commun. Eng., Damascus Univ., Damascus, Syria
  • fYear
    2009
  • fDate
    15-17 Nov. 2009
  • Firstpage
    1
  • Lastpage
    5
  • Abstract
    This paper presents the effects of modifying Costas signal in time and frequency to improve ambiguity function (AF). The effect of adding frequency spacing, linear frequency modulation, constant space time, and variable space time between sub-pulses of Costas signal are presented and compared. It is shown that a considerable reduction of side-lobe and better Doppler resolution is achieved by using variable spacing between sub-pulses of Costas signal.
  • Keywords
    frequency modulation; signal processing; Costas signal; Doppler resolution; ambiguity function; constant space time; linear frequency modulation; sidelobe reduction; variable space time; Bandwidth; Chirp modulation; Frequency modulation; Matched filters; Pulse measurements; Pulse modulation; Radar detection; Signal resolution; Space technology; Space vector pulse width modulation; Ambiguity Function; Costas signal; Pulse Compression;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Microwave Symposium (MMS), 2009 Mediterrannean
  • Conference_Location
    Tangiers
  • Print_ISBN
    978-1-4244-4664-3
  • Electronic_ISBN
    978-1-4244-4665-0
  • Type

    conf

  • DOI
    10.1109/MMS.2009.5409830
  • Filename
    5409830