An overview of the Solution for high frequency hybrid sky-surface wave radar technique
Keywords:
HF radar technique, Solution of the HF hybrid sky-surface wave radar techniqueAbstract
The high frequency radar (HF radar) technique exploits properties of refractive for sky-wave and diffractive for surface-wave to illuminate and detect targets beyond the horizon. Surface-wave HF radar exploiting the diffraction have the advantage of stable wave propagation, but the detection range is limited to about 500 km. Sky-wave HF radar using the refractive have long range detection up to 4000 km and further possibilities, but having close-range blind areas. HF hybrid sky-surface wave radar is a new type of HF radar technique. The transmitting path uses sky-wave to illuminate targets, and the receiving path exploits the diffraction of waves over the ocean surface to receive the sea echo to detect targets. In this paper, some descriptions of HF hybrid sky-surface wave radar technique and applicability in the practice of this are introduced.
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