Abstract

The first- and second-order bistatic high-frequency radar cross sections of the ocean surface are derived with a dual-frequency platform motion model. Simulations are made to illustrate how the bistatic angle affects the cross section. Not surprisingly, the energy of the second-order radar cross section is seen to decrease as the bistatic angle increases. Simulations also depict the relation between the bistatic angle and the modulation level caused by the platform motion. This work provides a theoretical foundation for future practical investigations to determine suitable geometries for the deployment of a platform-mounted high-frequency bistatic surface wave radar.

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