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 antipersonnel mine detection based on tensor robust. This section on gpr only contains a brief description of the methodology. Pmu based detection of imbalance in threephase power systems tirza routtenberg, member, ieee, yao xie, member, ieee, rebecca m. The effect of detector dimensions on the nai tl detector.
Landmine detection using impulse ground penetrating radar. A number of detection techniques, developed for use with impulse ground penetrating radar, are described, with emphasis on a kalman filter based approach. The uncompensated alongtrack motions can cause a severe loss of geometry accuracy and degrade sar. Pdf signal processing techniques for landmine detection. These products provide protection against phase reversal only they do not offer phase loss or other fault protection. Candidate carleton university michel barbeau and evangelos kranakis mitacs, nserc, cito and dreo mitacs it theme meeting, banff, october 2003. Explore landmine detection using impulse ground penetrating radar with free download of seminar report and ppt in pdf and doc format. 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. The video impulse ground penetrating radar gpr system for detection of small and shallow buried objects has been developed. 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. Detection performance of digital polarity sampled phase. Such an approach does not require any knowledge of applications running on web servers or any preprocessing of incoming data. As a secure effectiveness is the ability to change the definition and penetrate deep inside the half. Astm d643211 is the standard guide for using the surface ground penetrating radar method for subsurface investigation.
We then apply the detection algorithm to several experimental measurement data sets, such as chaotic circuit and nh 3 laser data. Military uses include detection of mines,unexploded ordnance and tunnels. Ucrlid121669 landmine detection and imaging using micropower impulse radar mir s. Fuzzy logic is designed to detect gfs using membership functions mfs. Pmu based detection of imbalance in threephase power. Types of intrusion detection systems information sources. A gpr signal processing procedure for detecting rail ballast. Utility detection and positioning on the urban site sensecity using.
Several papers on buried objects detection using a gpr are devoted to land. A comparison of autofocus algorithms for sar imagery v. All aspects of measured process should be considered to minimize the negative influence then improve the gpr detection accuracy in the tunnel lining inspection. Gpr data show, however, the eigenvectors would not be used for gpr landmine discrimination in this work. Signal processing techniques for landmine detection using impulse ground penetrating radar article pdf available in ieee sensors journal 21. Numerical simulations and laboratory experiments with impulse gpr and stepped.
Behaviors of this detector are studied by using computer generated chaotic data. The hardware combines commercially available components with. Landmine detection using impulse ground penetrating radar landmines are affecting the lives and livelihood of millions of people around the world. In the right conditions, practitioners can use gpr to detect subsurface objects. Signal detection definition of signal detection by the free. Sar imaging system for landmine detection using an uav. In case of earth science it is used to study bedrocks,soils, ground water and ice. In this paper, we present an online stochastic approach for land mine detection based on ground penetrating radar gpr signals using sequential monte carlo. 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. The tradeoff is that the lower frequencies lose target resolution. 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. It does, however, require a little more circuitry than simple cascaded filters. A product can be developed and an onchip system can be implemented in mobileremote places.
Gpr data analysis of weak signals using modified stransform. 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. The higher the frequency, the less the penetration. It covers the equipment, field procedures, and interpretation methods for the assessment of subsurface materials using impulse gpr. North salem, new hampshire 0373 thomas scullion texas transportation institute college station, texas 77843 strategic highway research program national research council washington, dc 1993. Acoustic signal detection through the crosscorrelation. A series of measurements has been taken using a set of targets buried in the various types of soil. Flexible monolithic ultraportable ground penetrating radar using.
Advanced signal processing method for ground penetrating. Phase sensitive detection as a means to recover signals. Notwithstanding the increased costs of maintenance, fouling occurrence may dramatically impact on the safety and operation of railways 2. Engineering applications include nondestructive testing of structures and pavements, locating buried structures and studying of soils. The video impulse ground penetrating radar system for detection for small and shallow buried objects has been. Development of groundpenetrating radar equipment for detecting pavement condition for preventive maintenance stanley s.
Warhus august 7,1995 distribulion of this document is unlimited. 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. Signal processing techniques for landmine detection using impulse ground penetrating radar. In this study, new method has been proposed based on modified stransform to analyze weak signals of gpr data. 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. 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. Then, the nn makes fuzzy logic learn from training data, yielding a refined mf for a more accurate detection as demonstrated in figure 3. On particle filters for landmine detection using impulse ground. An integrated detection and identification methodology. Applications gpr has many applications in number of fields. 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. 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. Nonintrusive distress signal detection using image processing.
Use of the decibel and the neper in telecommunications. The timefrequency analysis has been implemented to capture the change in electromagnetic waves reflected at the. Gpr can detect both metallic and plastic mines in a variety of soils by noninvasive. The nonparametic constant false alarm rate cfar property of digital polarity sampled phase reversal coded pulse compressors is described. Pdf a novel uwb sampling receiver and its applications for. Unfortunately, minefields are frequently strewn with small metal fragments which can camouflage landmines greatly hindering progress using this form of demining. Robust adaptive detection of buried pipes using gpr. Pdf on particle filters for landmine detection using. Simulation test of equipment of noncontact detection with gpr.
Gpr background gpr is a technique for subsurface mapping based on. Analyse et prediction comportementales du radar gpr. 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. 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. An impulse generator for the ground penetrating radar pdf. Depending on the turn ratio and the type of power ct used, the required output voltage is obtained. Sar imaging system for landmine detection using an uavmounted gpr. 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. A comparison of autofocus algorithms for sar imagery. Model based signal enhancement for impulse response measurement. The meter is powered on using a current transformer. The detection performance in gaussian and nongaussian noise is determined. A novel uwb sampling receiver and its applications for impulse gpr systems. System collects 127 echos or surroundings per second.
It combines a pulse induction md and an impulse gpr. If the physical process is well interpreted, gpr can be used to detect subsurface. Future work may include advances in precise and efficient detection of fatigue and drowsiness of eye. A typical circuit to powerup the meter in singlewire mode is shown in figure 8. Phase reversal relays should be used in applications where motor direction is critical or sequence detection is required by code. 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. Gpr, buried pipes, adaptive detection, covariance matrix, non. 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.
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. Detecting improvised explosive devices via forward looking. It is shown that the loss in signaltonoise ratio of the processor relative to the incoherent matched filter decreases as the code length increases. 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. Pdf ground penetrating impulse radar for landmine detection. Phase sensitive detection overcomes the practical problems in a spectacular way for it enables extremely narrow band width detection 0. Chuah multimedia university, malaysia abstract a challenge in sar system development involves compensation for nonlinear motion errors of the sensor platform. These mfs of the six input variables can be obtained initially from statistical analysis. 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. Detection of transient in radio frequency fingerprinting. 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. Detection of transient in radio frequency fingerprinting using signal phase jeyanthi hall ph. Detecting improvised explosive devices via forward looking ground penetrating radar by william w.
Groundpenetrating radar gpr is a geophysical method that uses radar pulses to image the. In this paper, we present an online stochastic approach for landmine detection based on ground penetrating radar gpr signals using sequential monte carlo smc methods. 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. In each antenna position, a short gaussian impulse is radiated and the. About gpr scantech gpr underground utility surveys. Gpr is used to define landfills contaminant plums and other remediation sites. Most gpr groundwater detection has been performed with impulse radars. By analyzing the magnitude, duration, and shape of the reflected waveform, you can determine the nature of the impedance variation in the test device.
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