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A Maritime Verification Method of Long-range High Frequency Ground Wave Radar

A technology of high-frequency ground wave radar and verification method, which is applied in the field of ground wave radar system, can solve the problem that the error of observation elements has not been verified, and achieve the effect of reducing the waste of manpower and material resources and meeting the verification requirements

Active Publication Date: 2017-10-20
OCEAN UNIV OF CHINA
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Problems solved by technology

However, the error of observational elements retrieved by ground wave radar has not yet been verified.

Method used

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  • A Maritime Verification Method of Long-range High Frequency Ground Wave Radar
  • A Maritime Verification Method of Long-range High Frequency Ground Wave Radar

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Embodiment 1

[0033] Embodiment 1, this embodiment discloses a remote high-frequency ground wave radar verification method at sea, including the following steps:

[0034] (1) The high-frequency ground wave radar adopts a coverage measurement method, its maximum coverage is 200KM, and the measurement angle range is 180°. Because the coverage of high-frequency ground-wave radar is wide, the sampling rate of different locations is different. In order to better verify the detection accuracy of high-frequency ground-wave radar, we need to preprocess the sampling rate of the detection range of high-frequency ground-wave radar. The sampling rate meets the required range, thereby reducing unnecessary expenditures for measurement experiments.

[0035] For the radar element setting of the high-frequency ground wave radar, the selection of the resolution needs to take into account the specific requirements and cost of verifying the detection accuracy. In this embodiment, the equidistant distance and r...

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Abstract

The invention discloses a remote high-frequency ground-wave radar offshore verification method. The method comprises the following steps: (1) subjecting a high-frequency ground-wave radar to radar element setting; (2) according to a real sampling situation of each radar element sampling point subjected to continuous observation not less than 30 days, obtaining the sample rate of each radar element; (3) setting not less than 3 point positions at the largest observation range of the ground-wave radar; (4) placing a current meter at positions of fixed water depth, the current meter transmitting signals upwards to carry out ocean current data measurement; (5) floating a wave meter on the ocean surface to measure ocean wave data; and (6) leaving an anemometer to face the wind and observe the wind speed. Station selection of the method in high-frequency ground-wave radar comparison and verification satisfies the verification requirement for high-frequency ground-wave radar detection precision and reduces unnecessary waste on human and material resources.

Description

technical field [0001] The invention relates to the technical field of ground wave radar systems, in particular to a sea verification method for long-range high-frequency ground wave radar in the field. Background technique [0002] When radio waves are emitted towards the sea surface, there will be an electromagnetic wave propagation mode on the sea surface, called ground wave. Ground wave is a kind of surface wave, so high frequency ground wave radar is also called high frequency surface wave radar. The ground waves in the medium and short bands are attenuated very little when propagating on the sea surface, and to a certain extent, the ground waves will propagate along the curved earth's surface and reach a place far below the horizon, that is, to achieve trans-horizon propagation. Therefore, using The high-frequency ground wave radar that detects the ground wave over-the-horizon propagation characteristics is also called ground-wave over-the-horizon radar, and the detec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/40
CPCG01S7/40
Inventor 韩树宗杨华武双全王星驰
Owner OCEAN UNIV OF CHINA
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