ground-penetrating radar system
A Three-dimensional ray tracing simulation of a synthetic aperture ground penetrating radar system
... the size and position of the target were calculated to received a was reflected ensuring that changed while observe ray that specularly the rays this way allows the receiver also generat[r] ...
146
Road Pavement Density Analysis Using a New Non-Destructive Ground Penetrating Radar System
... A typical GPR system is composed of several parts such as a signal generator. This device would produce the electromagnetic wave that will propagate through the pavement slab to measure its density. The wave will ...
19
An overview of ground-penetrating radar signal processing techniques for road inspections
... A road pavement can be typically simplified as a non-dispersive ensemble of homogeneous horizontal layers. Usually, the thickness of the first layers, namely, the hot-mix asphalt (HMA) layers, ranges between 1 cm and 6 ...
26
FDTD Based Numerical Framework for Ground Penetrating Radar Simulation
... Either analytical or numerical modelling of electromagnetic wave propagation is essential for advanced understanding of GPR responses. This may help to develop new techniques for data processing and interpretation. ...
12
Detection of fluid leakage using ground penetrating radar
... * On 30th September 2013, an outdated utility maps for underground utility such as MRT had triggered a destructive o f water cuts in Selangor which claimed approximately big amount o f money. This tragedy shows that ...
26
On the Use of Ground Penetrating Radar for Bridge Deck Assessment
... bridge system is composed of steel girders on the steel pillars with a reinforced concrete ...GHz) ground-coupled antennas, which provides an excellent identification of the reinforcing ...
7
Ground penetrating radar for underground sensing in agriculture: a review
... Soil and root features interested in agricultural research mostly locate within top 2 meter of soil. Combined use of antennas of high (such as 1-2 GHz) and low (400-600 MHz) frequencies should be useful in exploring the ...
11
Miniaturization of Dipole Antenna for Low Frequency Ground Penetrating Radar
... Antennas are essential components of GPR systems for transmission and reception of the electromagnetic waves. Efficient emitting and receiving of electromagnetic energy is ensured by high antenna gain as antennas with a ...
10
Focusing Ground Penetrating Radar Images with Vertical Offset Filtering
... In the first set of experiments, the sample was a solid piece of wood of dimensions 0.17 m × 0.17 m × 0.10 m (LxDxW) supported on a dowel base to a height of 0.49 m above the metal plate (see Figure 4). Figure 5(a) shows ...
13
A Portable Frequency Domain Electromagnetic System for Shallow Metal Targets Detection
... Unlike ground penetrating radar (GPR) which measures the electromagnetic wave reflected by boundary, frequency domain electromagnetic system [4] measures the secondary magnetic field generated ...
9
Ground penetrating radar stratigraphy and dynamics of megaflood gravel dunes
... GPR system (Sensors & Software Inc, Ontario, Canada) with 100 MHz ...spanwise radar structure as well as the structure in the direction of flow ...
20
Health monitoring of tree-trunks using ground penetrating radar
... Networks, System Functionality, and Spectrum Management,” since ...of Ground Penetrating ...“Advanced Ground Penetrating Radar Signal Processing Techniques” for the Signal ...
10
Pavement pumping prediction using Ground Penetrating Radar
... [8]. Ground Penetrating Radar (GPR) techniques are used to monitor non-destructively the moisture content in sub-asphalt soils with time-efficient and cost-effective ...
10
Mapping the root system of matured trees using ground penetrating radar
... complex system and their classification has historically been based on anatomical or functional features [2]: anatomically, roots can be classified as woody or non-woody ...
6
The Usefulness of Ground Penetrating Radar in locating burials in Charity Hospital Cemetery, New Orleans
... The software used for data collection was proprietary software that was supplied by Sensors and Software, Inc. with the GPR system. This software did not provide digital data but did allow some data manipulation ...
102
Booming Sand Dunes
... to the shear band argument presented in Hidaka et al. (1988), to explain sound generated by a compressed granular material. Andreotti (2004) measured the booming frequency (f = 100 ± 5 Hz) at a barchan sand (D = 0.180 ...
160
Application of Ground Penetrating Radar (GPR) In Detecting Target of Interest
... The data at Location A shows the hyperbolic curve which indicated as the target of suspected cavity (Figure 5). From Figure 5 the suspected cavity was located at depth about 1.51 meters. The Figure 6 shows the graph of ...
6
2D and 3D Geophysical Imaging of Polygonal Patterned Ground in the McMurdo Dry Valleys, Antarctica
... The ground surface material exhibited intense iron staining creating a red brown ...The ground material exhibited a range of clast sizes from fine sands to large boulders with larger clast sizes being ...
186
Comparison of geophysical and botanical results in simulated clandestine graves in rural and tropical environments in Colombia, South America.
... Eight simulated clandestine graves were excavated on 19th June 2013. For each grave, the overlying vegetation was removed and c. 2 m x 2 m holes were dug in a regular pattern (Fig. 5a). Four graves were dug to ~0.8 m ...
40
Antena Spiral-dipole untuk Ground Penetrating Radar (GPR)
... (Ground Penetrating Radar) is a device useful for the detection of objects buried under the ground to a certain depth, without the need for excavation ...
8