Radial motion compensation based on adaptive profile estimation

Benjamin C. Flores; Ana Martinez; Chiouguey Joyce Chen

doi:10.1117/12.216955

18 August 1995 Radial motion compensation based on adaptive profile estimation

Benjamin C. Flores, Ana Martinez, Chiouguey Joyce Chen

Proceedings Volume 2562, Radar/Ladar Processing and Applications; (1995) https://doi.org/10.1117/12.216955
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

We describe three different processing approaches for stepped-frequency high-resolution radar that allow for the estimation of target motion parameters along the line of sight. Accurate knowledge of the motion parameters is necessary to generate a focused range-doppler image of the target. The approached adopted for this purpose are based upon the inverse discrete Fourier transform (IDFT), the modified chirp z-transform, and Prony's method. Estimates produced by these approaches are compared to each other as well as to the target's actual parameters. The IDFT approach, which is the standard procedure, requires zero padding to yield accurate estimates of the actual motion parameters and tends to be computationally intensive. The modified chirp z-transform approach yields accurate estimates with high computational efficiency for a wide SNR range. Prony's method proves to be a more robust approach for higher SNR. Considering these results, an MCZT adaptive algorithm for motion compensation is formulated which guarantees a well focused image.

Citation Download Citation

Benjamin C. Flores, Ana Martinez, and Chiouguey Joyce Chen "Radial motion compensation based on adaptive profile estimation", Proc. SPIE 2562, Radar/Ladar Processing and Applications, (18 August 1995); https://doi.org/10.1117/12.216955

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available