Essays about: "gridding"

Showing result 1 - 5 of 7 essays containing the word gridding.

1. 1. Short Range Millimeter-Wave Inverse Synthetic Aperture Radar Imaging

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Oscar Gylling; Rickard Ståhl; [2018]
   Keywords : radar; inverse; synthetic; aperture; imaging; SAR; ISAR; gridding; backprojection; image; electromagnetic; wave; field; short; range; high; frequency; RF; millimeter; resolution; fourier; transform; spatial; domain; k-space; Technology and Engineering;

   Abstract : Millimeter-wave radar imaging has potential uses in applications such as material analysis and medical in-vivo scanning of tissue. This thesis is about measuring objects using a millimeter wave radar, implement radar imaging algorithms and evaluate the resulting images. READ MORE

3. 2. Accuracy and precision of bedrock sur-face prediction using geophysics and geostatistics.

   University essay from KTH/Mark- och vattenteknik

   Author : Henrik Örn; [2015]
   Keywords : Bedrock surface prediction; Geotechnical site investigations; Sampling techniques; Geophysics; Kriging; Inverse distance weighting;

   Abstract : In underground construction and foundation engineering uncertainties associated with subsurface properties are inevitable to deal with. Site investigations are expensive to perform, but a limited understanding of the subsurface may result in major problems; which often lead to an unexpected increase in the overall cost of the construction project. READ MORE

4. 3. ANALYSIS AND INTERPRETATION OF 2D/3D SEISMIC DATA OVER DHURNAL OIL FIELD, NORTHERN PAKISTAN

   University essay from Geofysik

   Author : Fatima Afsar; [2013]
   Keywords : Seismic Data Processing; 2D 3D Seismic Data Interpretation; Velocity Modelling; Oil and gas exploration; Dhurnal Oil Field; Synthetic Seismogram;

   Abstract : The study area, Dhurnal oil field, is located 74 km southwest of Islamabad in the Potwar basin of Pakistan. Discovered in March 1984, the field was developed with four producing wells and three water injection wells. Three main limestone reservoirs of Eocene and Paleocene ages are present in this field. READ MORE

5. 4. In-Plane Motion Correction in Reconstruction of non-Cartesian 3D-functional MRI

   University essay from Datorseende; Tekniska högskolan

   Author : Anette Karlsson; [2011]
   Keywords : MRI; fMRI; PRESTO-CAN; Motion Correction; Radial Sampling Pattern; Fourier domain; Circular Correlation; Gridding Reconstruction;

   Abstract : When patients move during an MRI examination, severe artifacts arise in the reconstructed image and motion correction is therefore often desired. An in-plane motion correction algorithm suitable for PRESTO-CAN, a new 3D functional MRI method where sampling of k-space is radial in kx-direction and kz-direction and Cartesian in ky-direction, was implemented in this thesis work. READ MORE

6. 5. Determination of a gravimetric geoid model of Sudan using the KTH method

   University essay from KTH/Geodesi och satellitpositionering

   Author : Ahmed Abdalla; [2009]
   Keywords : ;

   Abstract : The main objective of this study is to compute a new gravimetric geoid model of Sudan using the KTH method based on modification of Stokes’ formula for geoid determination. The modified Stokes’ formula combines regional terrestrial gravity with long-wavelength gravity information provided by the global gravitational model (GGM). READ MORE