A distributed high-frequency over-the-horizon radar system

Abstract

The invention relates to the technical field of radar systems, radio physics, and the like, and in particular relates to a distributed high frequency over-the-horizon radar system. The distributed high frequency over-the-horizon radar system comprises a shore-based high frequency ground wave radar netted subsystem, a fixed / mobile ground wave over-the-horizon radar subsystem in other forms (float type, vehicle-mounted and shipboard ground wave radar), a high frequency sky wave emission subsystem, an environment guarantee subsystem, a control subsystem and a data processing subsystem. The distributed high frequency over-the-horizon radar system can work in a ground wave netted and sky-ground wave hybrid netted mode, by virtue of distributed ground wave radar netted and sky-ground wave integrated netted detection, breaks through the limit that the conventional ground wave radar only can be distributed along coastlines, obtains more comprehensive physical quantity information at the original signal level by organic integration and mutual complementation multiple work modes, can improve accuracy of detection on wind, wave and current to a greater extent, greatly improves detection range of the high frequency radar system, and realizes far-shore ocean dynamics elements detection and near-shore fine detection.

Description

technical field [0001] The invention relates to technical fields such as radar systems and radio physics, and in particular to a distributed high-frequency over-the-horizon radar system. Background technique [0002] With the growth of marine economic activities and the demand for disaster prevention and mitigation, high-frequency ground wave radar has obvious deficiencies in detection distance, accuracy of detection elements, and applicability. The accuracy and reliability of the incoming results are not high, the anti-interference ability of the radar system is insufficient, the frequency utilization rate is not high, and the detection method is too simple to obtain refined detection results. In the existing space-ground-wave integrated system, the ground-wave radar only works in the single-station mode and only receives the signal of the sky-wave over-the-horizon radar, which cannot fully meet the requirements of detection distance and detection accuracy. Contents of th...

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Problems solved by technology

[0002] With the growth of marine economic activities and the demand for disaster prevention and mitigation, high-frequency ground wave radar has obvious deficiencies in detection distance, accuracy of detection elements, and applicability. The accuracy and reliability of the incoming results are not high, the anti-jamming ability of the radar system is insufficient, the frequency utilization rate is not high, and the detection method is too simple to obtain refined detection results, etc.

In the existing space-ground-wave integrated system, the ground-wave radar only works in the single-station mode, and only receives the signal of the sky-wave over-the-horizon radar, which cannot fully meet the requirements of detection distance and detection accuracy

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