April 17th, 2009
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As part of my undergraduate degree at the University of Aberdeen I completed an undergraduate thesis. In my thesis I considered the concept of a multi static passive radar system capable of tracking commercial civil aircraft using transmitters of opportunity.
An error is the can be defined as the difference between computed, estimated or measured value and the true, specified, or theoretically correct value. Any measurement made or position estimated by a radar system there is an associated error. Here I aim to identify the errors associated with a multi-static radar system’s geometry, where they originate and how to separate them from other system error to create a model.
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Tags: GDOP, MATLAB, Modeling, MSPSR, Passive Radar
Posted in MATLAB Modeling, Passive Radar | 1 Comment »
March 7th, 2009
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As part of my undergraduate degree at the University of Aberdeen I completed an undergraduate thesis. In my thesis I considered the concept of a multi static passive radar system capable of tracking commercial civil aircraft using transmitters of opportunity.
One possible obstacle for a multi-static TDOA radar system is solving a system containing multiple targets. Solving the system quickly enough to enable a quick refresh rate, and real time operation is envisioned as a major obstacle as it could be prohibitive in terms of cost. In this entry I will discuss system complexity while tracking multiple targets, discuss the difference between real and ghost targets and approaches to reduce overall system complexity.
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Tags: MATLAB, MSPSR, Multi-Static, Passive Radar, Simulation, System Complexity, TDOA
Posted in MATLAB Modeling, Passive Radar | No Comments »
February 5th, 2009
Now that I have graduated I don’t have access to the same resources I did when a student. I find this frustrating, as I enjoy the deeper insight that they provide on topics that interest me. Technical papers are also useful or adding depth to my journal entries. There are search facilities and open access journals available on the internet . Be aware though, that the quality of papers found using search facilities and open access journals listed cannot be guaranteed and the majority have not been peer reviewed.
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Tags: Academic Database, CiteSeerx, Directory of Open Access Journals, DOAJ, Engineering, Enlighten, INFOMINE, Intute, Open Access Journal, Open J-Gate, Peer Review, Search Engine
Posted in Uncategorized | 1 Comment »
January 17th, 2009
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In this entry I will describe the geometry of multi-static passive radar and how it obtains a target solution. The multi-static passive TDOA radar example in this entry consists of a single receiving station that monitors the direct signals from the transmitters and indirect, multi-path signals from potential targets. Other configurations are possible but the 2D operation described requires 3 transmitter – receiver combinations. To obtain a target the system uses the time difference of arrival (TDOA) of the multi-path signal compared to the direct path signal from the same transmitter. Using these timings, solutions for possible target locations can be generated. I will cover the basic bi-static geometry on which this system relies and how it is incorporated into multi-static system. A 2D solution will also be derived from scratch for a multi-static system.
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Tags: Andrew Burns, Bi-Static, MSPSR, Multi-Static, Passive Radar, Radar, TDOA
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January 16th, 2009
The following is an excerpt from a group project completed in my finial year at the University of Aberdeen. Dr. Kaliyaperumal Nakkeeran supervised the project. The group project title was Simulation of Pulse Propagation in Optical Fiber Transmission Systems. The aim of the project was to simulate the pulse propagation in dispersion managed (DM) optical fiber transmission systems. Effects like optical losses, group-velocity dispersion and self-phase modulation are analyzed in this project. Part of my contribution to the project was the production of a MATLAB simulation of the pulses’ propagation through the wave-guide.
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Tags: Andrew Burns, Fiber Optic, MATLAB, Modeling, NLSE, Optics, Schrödinger Equation, Split Step Fourier Method
Posted in MATLAB Modeling | 14 Comments »
December 31st, 2008
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This entry will cover some of the basic principals of a passive radar system. Using an example system bellow the basic principles of a multi-static TDOA passive radar system will be explained. The basic outline provided in this post will be built upon in the future.
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Tags: Andrew Burns, MSPSR, Passive Radar, Radar, TDOA
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December 19th, 2008
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As part of the finial year of my degree at the University of Aberdeen I completed an undergraduate thesis. In my thesis I considered the concept of a multistatic passive radar system capable of tracking civil aircraft using transmitters of opportunity.
I aim to use this journal as a means of exploring the ideas outlined in my thesis and expand upon them. Using this journal I will break down my thesis and re-examine the background, principals, motivations, benefits and applications of a multistatic passive radar system.
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Tags: Andrew Burns, MSPSR, Multi-Static, Passive Radar, Radar, TDOA
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