Future work may include advances in precise and efficient detection of fatigue and drowsiness of eye. Fuzzy logic is designed to detect gfs using membership functions mfs. Warhus august 7,1995 distribulion of this document is unlimited. A comparison of autofocus algorithms for sar imagery. Robust adaptive detection of buried pipes using gpr. Ultra wideband uwb gpr is a technology that has been developed for use in both humanitarian and military demining operations 16,34, and is generally considered to have the most potential amongst emerging detection technologies 8.
Pdf ground penetrating impulse radar for landmine detection. Pmu based detection of imbalance in threephase power systems tirza routtenberg, member, ieee, yao xie, member, ieee, rebecca m. The hardware combines commercially available components with. Simulation test of equipment of noncontact detection with gpr.
Model based signal enhancement for impulse response measurement. Gpr data show, however, the eigenvectors would not be used for gpr landmine discrimination in this work. Gpr, buried pipes, adaptive detection, covariance matrix, non. A series of measurements has been taken using a set of targets buried in the various types of soil. Analysis of energy based signal detection academic dissertation to be presented with the assent of the faculty of technology, university of oulu, for public discussion in raahensali auditorium l10, linnanmaa, on december 9th, 2005, at 12 noon oulun yliopisto, oulu 2005.
Gpr can detect both metallic and plastic mines in a variety of soils by noninvasive. In the right conditions, practitioners can use gpr to detect subsurface objects. Use of the decibel and the neper in telecommunications. A gpr signal processing procedure for detecting rail ballast. Landmine detection using impulse ground penetrating radar. Types of intrusion detection systems information sources. As a secure effectiveness is the ability to change the definition and penetrate deep inside the half. Also explore the seminar topics paper on landmine detection using impulse ground penetrating radar with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication. Gpr background gpr is a technique for subsurface mapping based on. The higher the frequency, the less the penetration. In recent years the methodology gpr ground probing radar has been applied with increasing success under the ndt thanks to the high speed and resolving power. Time domain transform mode simulates traditional timedomain reflectometry tdr, which launches an impulse or step signal into the test device and displays the reflected energy on the tdr screen. Unfortunately, minefields are frequently strewn with small metal fragments which can camouflage landmines greatly hindering progress using this form of demining.
The conventional, and often reliable, method of landmine detection is to use a metal detector to pick up small amounts of metal within the mine. These products provide protection against phase reversal only they do not offer phase loss or other fault protection. Ground penetrating radar has come to public attention in recent criminal investigations, but has been a developing and maturing remote sensing field for some time. In case of earth science it is used to study bedrocks,soils, ground water and ice. Sar imaging system for landmine detection using an uavmounted gpr. Advanced signal processing method for ground penetrating radar feature detection and enhancement yu zhang, anbu selvam venkatachalam, dryver huston, tian xia school of engineering, university of vermont, 33 colchester ave, burlington, vt, usa 05405 abstract. A product can be developed and an onchip system can be implemented in mobileremote places. Engineering applications include nondestructive testing of structures and pavements, locating buried structures and studying of soils. The timefrequency analysis has been implemented to capture the change in electromagnetic waves reflected at the. Notwithstanding the increased costs of maintenance, fouling occurrence may dramatically impact on the safety and operation of railways 2. Depending on the turn ratio and the type of power ct used, the required output voltage is obtained. In view of this, effective health monitoring and earlystage detection of fouling is mandatory to allow significant reduction of both unsafe events and maintenance costs.
It is shown that the loss in signaltonoise ratio of the processor relative to the incoherent matched filter decreases as the code length increases. The nonparametic constant false alarm rate cfar property of digital polarity sampled phase reversal coded pulse compressors is described. Phase sensitive detection as a means to recover signals. Then, the nn makes fuzzy logic learn from training data, yielding a refined mf for a more accurate detection as demonstrated in figure 3. We then apply the detection algorithm to several experimental measurement data sets, such as chaotic circuit and nh 3 laser data. Detection performance of digital polarity sampled phase. Nonintrusive distress signal detection using image processing.
Utility detection and positioning on the urban site sensecity using. Signal processing techniques for landmine detection using impulse ground penetrating radar article pdf available in ieee sensors journal 21. Chuah multimedia university, malaysia abstract a challenge in sar system development involves compensation for nonlinear motion errors of the sensor platform. In this paper we present an automatic system based on a combination of a neural network classifier and image processing techniques to perform detection and interpretation of gpr data. Behaviors of this detector are studied by using computer generated chaotic data. Acoustic signal detection through the crosscorrelation. Detecting improvised explosive devices via forward looking ground penetrating radar by william w. It covers the equipment, field procedures, and interpretation methods for the assessment of subsurface materials using impulse gpr. It combines a pulse induction md and an impulse gpr. Phase reversal relays should be used in applications where motor direction is critical or sequence detection is required by code. Development of groundpenetrating radar equipment for detecting pavement condition for preventive maintenance stanley s. Pdf signal processing techniques for landmine detection. Take changbanpo tunnel test for example, in the case of not using measuring wheel, reducing the interpolation space improves accuracy of test data in the axial direction, and finally the positioning accuracy of the data is over 0.
In this paper, we present an online stochastic approach for land mine detection based on ground penetrating radar gpr signals using sequential monte carlo. A typical circuit to powerup the meter in singlewire mode is shown in figure 8. Infinite dimensional vector space, integer fast fourier transform, integrated voice and data, internet protocol television, introduction to the internet protocols, java ring, josephson junction, landmine detection using impulse ground penetrating radar, laser communication systems, led wireless, lowvoltage differential signaling lvds, microelectro mechanical systems, military radars, millipede, mimo wireless channels, modern irrigation system towards fuzzy, moletronics an invisible. Designing a tamper proof energy meter with kinetis km34. These mfs of the six input variables can be obtained initially from statistical analysis. The meter is powered on using a current transformer.
The video impulse ground penetrating radar gpr system for detection of small and shallow buried objects has been developed. North salem, new hampshire 0373 thomas scullion texas transportation institute college station, texas 77843 strategic highway research program national research council washington, dc 1993. Landmine detection and imaging using micropower impulse. Pdf on particle filters for landmine detection using. Willett, senior member, ieee and lang tong, fellow, ieee abstractthe problem of imbalance detection in a threephase power system using a phasor measurement unit pmu is considered. Numerical simulations and laboratory experiments with impulse gpr and stepped. Detection of transient in radio frequency fingerprinting using signal phase jeyanthi hall ph. Pmu based detection of imbalance in threephase power. If the physical process is well interpreted, gpr can be used to detect subsurface. Signal processing techniques for landmine detection using impulse ground penetrating radar. Such an approach does not require any knowledge of applications running on web servers or any preprocessing of incoming data. The effect of detector dimensions on the nai tl detector. Gpr is used to define landfills contaminant plums and other remediation sites.
Flexible monolithic ultraportable ground penetrating radar using. An impulse generator for the ground penetrating radar pdf. Analyse et prediction comportementales du radar gpr. In the light of recent growth of the technique to a wide range of applications, the need for an uptodate reference text has become pressing. Gpr antipersonnel mine detection based on tensor robust. Candidate carleton university michel barbeau and evangelos kranakis mitacs, nserc, cito and dreo mitacs it theme meeting, banff, october 2003.
Detection of transient in radio frequency fingerprinting. By utilising the latest in subsurface detection techniques, including ground penetrating radar gpr and radio frequency locators rfl, safedigging can work virtually anywhere to locate and mark out the depth, position and type of all buried utilities. The composite lining model of railway tunnel is set up and then simulation test is presented by noncontact detection with the simple detection equipment of ground penetrating radar gpr to study the main technique parameters of the equipment. Explore landmine detection using impulse ground penetrating radar with free download of seminar report and ppt in pdf and doc format. A number of detection techniques, developed for use with impulse ground penetrating radar, are described, with emphasis on a kalman filter based approach. Sar imaging system for landmine detection using an uav. A novel uwb sampling receiver and its applications for impulse gpr systems. The video impulse ground penetrating radar system for detection for small and shallow buried objects has been.
Gpr ground penetrating radar definition gpr ground penetrating radar has been a standard procedure for investigating thicknesses and internal structures of glaciers since the 1970s e. The uncompensated alongtrack motions can cause a severe loss of geometry accuracy and degrade sar. Detecting improvised explosive devices via forward looking. Several papers on buried objects detection using a gpr are devoted to land. Gpr data analysis of weak signals using modified stransform.
Applications gpr has many applications in number of fields. Signal detection definition of signal detection by the free. By analyzing the magnitude, duration, and shape of the reflected waveform, you can determine the nature of the impedance variation in the test device. Typically, 100 mhz and 50 mhz are used for bedrock detection, 500 mhz and 250 mhz antennae are used for tank locates, and mhz is used for rebar checking.
The tradeoff is that the lower frequencies lose target resolution. In this study, new method has been proposed based on modified stransform to analyze weak signals of gpr data. Most gpr groundwater detection has been performed with impulse radars. An integrated detection and identification methodology. Advanced signal processing method for ground penetrating. It does, however, require a little more circuitry than simple cascaded filters. The detection performance in gaussian and nongaussian noise is determined.
In each antenna position, a short gaussian impulse is radiated and the. This section on gpr only contains a brief description of the methodology. Groundpenetrating radar gpr is a geophysical method that uses radar pulses to image the. On particle filters for landmine detection using impulse ground. Military uses include detection of mines,unexploded ordnance and tunnels. System collects 127 echos or surroundings per second. The results obtained in these conditions, the acoustic systems used in transmission and reception, and the results in terms of improvement of signal detection and sn using crosscorrelation method are shown in the following sections. Intrusion detection system 1 intrusion detection basics what is intrusion detection process of monitoring the events occurring in a computer system or network and analyzing them for signs of intrusion. Daniels 34 gave an overview of existing gpr systems for landmine detection. All aspects of measured process should be considered to minimize the negative influence then improve the gpr detection accuracy in the tunnel lining inspection. May 24, 2015 gpr often encounters difficulty in visualizing the buried target when signals are weak and enveloped by noise, despite using the best of existing gpr data analysis tools. Pdf a novel uwb sampling receiver and its applications for. Phase sensitive detection overcomes the practical problems in a spectacular way for it enables extremely narrow band width detection 0. About gpr scantech gpr underground utility surveys.
Most of the gpr data are clustered near the zero intensity and one principal component should follow that distribution pattern as e 1 in figure 5. Ucrlid121669 landmine detection and imaging using micropower impulse radar mir s. Use of the decibel and the neper in telecommunications, 197819821986199020002015 scope this text recommends the symbols to be used for the logarithmic expression of quantities referring to power, and provides examples of the use as well as the relationship between the decibel and the neper. A comparison of autofocus algorithms for sar imagery v.
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