Optimization of frequency-modulated pulse compression in a sectioned waveguide with a helically corrugated surface |
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| Authors: | S V Mishakin and S V Samsonov |
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| Institution: | 1.Institute of Applied Physics,Russian Academy of Sciences,Nizhni Novgorod,Russia |
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| Abstract: | A method of considerably elevating (by 20–30 times) the peak power of frequency-modulated microwave pulses by passive compression
in a waveguide with a helically corrugated surface used as a dispersive medium is considered. It is shown that the use of
a sectioned compression waveguide (i.e., a waveguide consisting of several sections connected to each other with slightly
differing parameters) considerably improves precise tuning of the dispersion characteristic of the system to a desired law
of frequency modulation of an input pulse. An algorithm for selecting optimal parameters of the sections is developed, and
a high efficiency of the method is demonstrated by several examples. |
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