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The RF spectrum, from below 1 MHz to above 100 GHz, represents a precious and strictly finite resource. It is used for a wide range of purposes including communications, radio and television broadcasting, radionavigation, and radar. All users have a need for greater bandwidth. As the demand from all of these users continues to grow for more access to spectrum, there is ever-greater competition for...
Because of its low detection accuracy, inaccurate height-finding, and discontinuous airspace coverage, the meter-wave radar has been replaced by common microwave radar progressively in the development course of radar. However, for the threat from stealth aircraft, the meter-wave radar has unique frequency-band advantage. Combined with the research work of many years, the author makes an introduction...
The study, analysis and mastery of sea clutter has become indispensable in many different applications (oceanography, communications, telecommunications, maritime surveillance, detection, monitoring and classification of targets, target recognition,…), so it is one of the major themes addressed by the scientists working in different areas of the radar field. The work presented in this paper fits well...
The Bureau of Meteorology operates a wide network of various radars for operational forecasting and research. This paper briefly describes the research and development for the quantitative use of these radars and research developments.
Recent advances in micro-electronics have created the possibility of building very low cost, very small, high performance single chip Radar systems. Concurrent with this technological advance, a diverse range of new applications for such radar systems is emerging. The coming consumer radar revolution is on the verge of entering the market place in areas including automotive radar, bicycle radar, micro-UAV...
The application of polarimetric techniques to bistatic SAR data is a topic of current research interest. The Australian Defence Science and Technology Organisation's Ingara multi-mode imaging radar system has previously collected a sizable set of X-band fine-resolution multi-polarimetric bistatic SAR data for research purposes. This paper presents results from a preliminary bistatic polarimetry investigation...
Opportunistic SAR interferometry using a ground-based receiver and a spaceborne transmitter has previously been addressed. However, the analysis is limited to the conventional Stripmap mode of such radar satellites. The occurrence of satellite passes in Stripmap high-resolution mode is however not as frequent as passes in ScanSAR mode, hence the motivation to exploit ScanSAR mode illuminations by...
The paper presents an experiment with bistatic passive SAR imaging in a scenario involving the TerraSAR-X satellite as an illuminator of opportunity and a static, ground-based receiver. The experiment was performed during a measurement campaign carried out by the Warsaw University of Technology in July 2012. In the paper the design of an X-Band receiver system and the bistatic SAR processing used...
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