The document discusses a novel method for suppressing grating lobes in stepped-frequency synthetic aperture radar (SAR) images. It proposes estimating sinusoidal terms in the magnitude and phase errors of the SAR system's transfer function using magnitudes and phases of strong scatterers and their corresponding grating lobes in the SAR image. The method is based on the paired-echo theory where a single sinusoidal term induces a pair of grating lobes. Contact information and courses offered are also listed.

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2. DOCUMENT FORMAT
• Abstract:
• Introduction:
• Literature Survey:
• System Analysis:
• Existing System:
• Disadvantages:
• Proposed System:
• Advantages:
• System Requirements:
• Block Diagram:
• Working Flow Diagram:
• Circuit Diagram:
• Implementation:
• Modules Description:
• System Study:
• System Testing:
• Software Description:
• Sample code:
• Conclusion:
• Future Enhancement:
• References:
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3. A NOVEL RANGE GRATING LOBE SUPPRESSION METHOD
BASED ON THE STEPPED-FREQUENCY SAR IMAGE
TITLE
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4. ABSTRACT
The magnitude error and phase error (MEPE) in the transfer function of a stepped-
frequency synthetic aperture radar (SAR) system results in a periodic MEPE in the
synthesized wideband waveform, which induces the grating lobes in the high-
resolution range profile. In this letter, a novel grating lobe suppression method based
on the SAR image is proposed. In the paired-echo theory, a single sinusoidal term of
the periodic MEPE in the frequency domain induces a pair of grating lobes in the time
domain. Based on the magnitudes and phases of a strong scatterer and its grating
lobes in the SAR image, the sinusoidal terms in the periodic MEPE can be estimated
using the proposed method.
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