Signal processing method and system of ship navigation radar

A navigation radar and signal processing technology, which is applied in the signal processing field of marine navigation radar, can solve the problem of low reliability of radar clutter interference suppression, achieve the effect of system controllability and anti-interference performance, and improve reliability

Inactive Publication Date: 2011-01-05
BEIJING HIGHLANDER DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to propose a signal processing method and system of a marine navigation radar to solve the problem of low reliability of radar clutter interference suppression in the prior art

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  • Signal processing method and system of ship navigation radar
  • Signal processing method and system of ship navigation radar
  • Signal processing method and system of ship navigation radar

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Embodiment Construction

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] figure 1 is a schematic diagram of a signal processing method of a marine navigation radar according to an embodiment of the present invention. Such as figure 1 As shown, the signal processing method of the marine navigation radar in the embodiment of the present invention mainly includes the following steps:

[0029] Step S11: converting the analog signal collected by the radar into a digital signal.

[0030] Step S12: performing clutter suppression on the digital signal and then outputting it.

[0031] In step S11, specifically, the analog signal collected by the radar may be converted into a digital signal through an analog-to-digital conversion (ADC). In step S12, specifically, pulse accumulation may be performed on radar echo pulses first, and then rain and snow suppression, ocean wave suppression or noise suppression...

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Abstract

The invention discloses a signal processing method and a signal processing system of a ship navigation radar, which are used for solving the problem that the reliability of suppressing radar clutter interference is lower in the prior art. The signal processing method of the ship navigation radar comprises the following steps of: converting analog signals acquired by the radar into digital signals; and performing clutter suppression on the digital signals and then outputting the digital signals. The signal processing method and the signal processing system of the ship navigation radar are helpful for improving the reliability of suppressing the radar clutter interference.

Description

technical field [0001] The invention relates to marine radar technology, in particular to a signal processing method and system of marine navigation radar. Background technique [0002] Radar is an electromagnetic system used to find and locate targets. Shipborne navigation radar, as one of the necessary navigation equipment for seagoing ships, has developed from analog radar to digital radar for decades, and is generally installed on various types of ships. The development of digital signal processing technology and embedded technology has brought new opportunities for the development of radar technology. Compared with analog radar, digital radar has the advantages of good performance, complete functions, and convenient operation. Using digital signal processing technology to realize radar signal processing algorithm is simpler, more flexible and more efficient. Based on a high-speed digital signal processor, it can efficiently sample and process radar echo signals, supp...

Claims

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Application Information

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IPC IPC(8): G01S7/36G01S13/06
Inventor 高俊峰
Owner BEIJING HIGHLANDER DIGITAL TECH
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