Abstract
Azimuth-subaperture processing is a widely used motion compensation (MOCO) approach which reduces the influence of variable aircraft parameters. However, in high-squint SAR mode, azimuth-signal aliasing of each subaperture becomes serious and drops the quality of the final image considerably. In this paper, through the study of azimuth-subaperture spectrum extension, a modified MOCO approach is proposed to eliminate azimuth-signal aliasing. Simulations and experimental results are provided to demonstrate our proposed approach.
| Original language | English |
|---|---|
| Title of host publication | IET International Conference on Radar Systems, Radar 2012 |
| Edition | 603 CP |
| DOIs | |
| Publication status | Published - 2012 |
| Event | IET International Conference on Radar Systems, Radar 2012 - Glasgow, United Kingdom Duration: 22 Oct 2012 → 25 Oct 2012 |
Publication series
| Name | IET Conference Publications |
|---|---|
| Number | 603 CP |
| Volume | 2012 |
Conference
| Conference | IET International Conference on Radar Systems, Radar 2012 |
|---|---|
| Country/Territory | United Kingdom |
| City | Glasgow |
| Period | 22/10/12 → 25/10/12 |
Keywords
- Azimuth subaperture
- High-squint SAR
- Motion compensation (MOCO)
- Spectrum extension
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Zeng, T., Liu, L., & Ding, Z. (2012). Modified motion compensation approach for high-squint airborne SAR. In IET International Conference on Radar Systems, Radar 2012 (603 CP ed.). Article 1719 (IET Conference Publications; Vol. 2012, No. 603 CP). https://doi.org/10.1049/cp.2012.1719