Modified stepped-frequency train of LFM pulses

Author

Liu, Zhen ; Deng, Bin ; Wei, Xizhang

Author_Institution

Sch. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha

fYear

2008

fDate

20-23 June 2008

Firstpage

1137

Lastpage

1141

Abstract

A new modified signal - the stepped-frequency train of LFM pulses with modulation of MPS (minimum peak sidelobe) biphasic coding and Costas frequency coding is proposed, whose spectrum function and ambiguity function are deduced respectively. Then the processing measure of the ranging system is illustrated in detail and the principle of the measure is analyzed. Range and velocity estimation of the target are resolved and how to form HRRP (high-resolution range profile) is exhibited. Finally, the resolution and ambiguity characteristics are studied. Research shows that the new modified ranging system is feasible and has advantageous performance.

Keywords

encoding; radar signal processing; Costas frequency coding; LFM pulses; ambiguity function; high-resolution range profile; minimum peak sidelobe biphasic coding; modified stepped-frequency train; pseudorandom code; range estimation; spectrum function; velocity estimation; Automation; Bandwidth; Chirp modulation; Doppler radar; Fourier transforms; Frequency; Gratings; Modulation coding; Pulse modulation; Signal resolution; Ambiguity Function (AF); Costas; LFM; Pseudo-random Code; Step-Frequency;

fLanguage

English

Publisher

ieee

Conference_Titel

Information and Automation, 2008. ICIA 2008. International Conference on

Conference_Location

Changsha

Print_ISBN

978-1-4244-2183-1

Electronic_ISBN

978-1-4244-2184-8

Type

conf

DOI

10.1109/ICINFA.2008.4608170

Filename

4608170