A nondestructive evaluation method is proposed for imaging in-roadway sensors, anticipated to allow them to be located and evaluated in-situ. The technique uses innovative step frequency GPR hardware together with new data collection and data processing methods to provide high-resolution images of… More

The proposed innovation is a robust and user-friendly software environment where NASA researchers can customize the latest HHT technologies for the LISA (and LIGO) application. The proposed technology will include the latest discoveries and inventions not available in the state-of-the-art. Its… More

The NLNS software developed in phase I is a robust and user-friendly environment that NASA researchers can use to customize the latest HHT technologies for their applications in astrophysics, earth sciences, and exploration. The proposed technology includes the latest discoveries and inventions not… More

A nondestructive evaluation method is proposed for imaging in-roadway sensors, anticipated to allow them to be located and evaluated in-situ. The techniques uses innovative step frequency GPR hardware together with new data collection and data processing methods to provide high-resolution images of… More

The proposed innovative two-dimensional (2D) adaptive analysis will be tested NASA's Gravity Recovery and Climate Experiment (GRACE) mission database in phase I in an attempt of extracting and reveal its finest details. The science data from the GRACE mission will be used to estimate global models… More

The Advanced Pavement Evaluation (APE) prototype system combines multiple sensors to detect, measure, and assess the condition of sub-surface features, including in-pavement traffic sensors, pavement structures, and defects or deterioration of such structures. In phase II, the research and… More

The proposed innovative two-dimensional (2D) empirical mode decomposition (EMD) analysis was applied to NASA's Gravity Recovery and Climate Experiment (GRACE) mission database in phase I in an attempt of extracting and revealing the finest details of regional and seasonal variations. The… More

A method to detect, locate, and map utilities and underground infrastructure is proposed at traffic speeds based on recent advances in step-frequency ground penetrating radar (SFGPR). Recent work by the proposed research team has already demonstrated imaging of subsurface civil infrastructure… More