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GOALS AND OBJECTIVES

Model Based Signal Processing Algorithm for MIDP GPR. GOALS AND OBJECTIVES A Range Gated Step Frequency Radar (RGSF) is to be used as part of NASA’s Mars Exploration Program (MEP) for surface and sub- surface characterization for:

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GOALS AND OBJECTIVES

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  1. Model Based Signal Processing Algorithm for MIDP GPR • GOALS AND OBJECTIVES • A Range Gated Step Frequency Radar (RGSF) is to be used as part • of NASA’s Mars Exploration Program (MEP) for surface and sub- • surface characterization for: • a) Understanding the soil composition and mineralogy • b) Detection of sub-surface ice and water • c) Seismic activity monitoring • We are working towards developing a signal processing algorithm • for the RGSF radar to meet the objectives stated earlier. MATHEMATICAL MODEL • THE CONVENTIONAL SOLUTION • The IFFT of the received and down-converted signal gives the range profile. A typical example is shown below: • As can be seen, the deeper layers are hard to locate. • It is much harder to characterize these layers to achieve our • objectives. • May be improved by incorporating the physics of the underlying media into the processing algorithm( The Model Based Approach) A SIMPLE PHYSICAL MODEL 051003

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