Results 231 to 240 of about 123,753 (301)

Optical signal processing in Radar systems

IEEE Transactions on Microwave Theory and Techniques, 2006
Opto-electronic components and their performances are well suited to be integrated in radar systems. In this paper, two optical architectures illustrate functions that are specific to optical processing of microwave signals, i.e., time-delay-based processing and arbitrary waveform generation of large frequency bandwidth signals.
S. Tonda-Goldstein   +5 more
openaire   +3 more sources

Coherent Optical Radar

Optical Engineering, 1988
A coherent optical radar is described. The transmitter is a continuous wave (cw) carbon dioxide laser scanned over a 25 mrad x 25 mrad field of view. Radiation scattered by targets within the field is coherently detected by the system, allowing Doppler shifts to be measured.
William Alexander   +2 more
openaire   +1 more source

Optical synthetic aperture radar

Journal of Modern Optics, 2013
A method is proposed for increasing the resolution of an object and overcoming the diffraction limit of an optical system installed on top of a moving imaging system, such as an airborne platform or satellite. The resolution improvement is obtained via a two-step process.
Asaf Ilovitsh   +2 more
openaire   +1 more source

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