Ship attitude measurement equipment and ship attitude measurement method based on Beidou system

A technology of measurement equipment and measurement method, which is applied to measurement devices, radio wave measurement systems, satellite radio beacon positioning systems, etc., can solve problems such as high cost, inability to realize real-time measurement, and limited application scope, and achieves low cost, elimination of Dependence, the effect of measurement error not spreading over time

Active Publication Date: 2020-06-23
CATHAY NEBULA SCI & TECH CO LTD
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Problems solved by technology

However, the disadvantage of this solution is that real-time measurement cannot be realized, and base station equipment must be equipped, which is costly and the application range is limited by the location of the base station

Method used

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  • Ship attitude measurement equipment and ship attitude measurement method based on Beidou system
  • Ship attitude measurement equipment and ship attitude measurement method based on Beidou system
  • Ship attitude measurement equipment and ship attitude measurement method based on Beidou system

Examples

Experimental program
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Embodiment Construction

[0025] A ship attitude measurement device based on the Beidou system, such as figure 1 As shown, it includes: RF interface module, two Beidou dual-antenna direction-finding receiver boards, attitude measurement module, data storage module, communication interface module, power supply module, etc. The functions of each module are as follows:

[0026] The radio frequency interface module transmits the radio frequency signal of the external Beidou satellite navigation antenna to the designated Beidou dual-antenna direction-finding receiver board. The radio frequency interface module includes a satellite signal power divider, in which the satellite signal power divider is responsible for dividing the public satellite antenna signal into two channels, which are respectively transmitted to two dual-antenna direction-finding boards to realize the positioning data of the two dual-antenna direction-finding boards association.

[0027] The Beidou dual-antenna direction-finding receiver...

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Abstract

The invention discloses ship attitude measurement equipment and a ship attitude measurement method based on a Beidou system. The measurement equipment comprises a radio frequency interface module, twoBeidou double-antenna direction-finding receivers, an attitude measurement module, a data storage module and a communication interface module. Compared with the prior art, the Beidou dual-antenna direction-finding receiver board card has the advantages that an existing Beidou dual-antenna direction-finding receiver board card is used for measurement, the relative baseline length and direction between the two antennas can be accurately calculated through the mutual difference technology of the board card, and therefore dependence on a differential reference station is eliminated. Two Beidou double-antenna direction-finding receiver board cards are used for jointly measuring a public Beidou satellite navigation antenna, mutual connection of measurement data of the two Beidou double-antennadirection-finding receiver board cards and unification of measurement coordinate values are established, and therefore data fusion of the two Beidou double-antenna direction-finding receiver board cards is achieved.

Description

technical field [0001] The invention relates to a ship attitude measurement device and a measurement method based on the Beidou system. Background technique [0002] Traditional ship attitude measurement relies on the inertial navigation system composed of high-precision gyroscopes and high-precision accelerometers, but this measurement method has the defect that navigation errors accumulate over time, and its price is relatively expensive. At the same time, the inertial navigation system requires precise installation and calibration. Due to objective factors such as price and complex installation and calibration, the popularity of inertial navigation systems in ship measurement is limited. [0003] With the completion and use of my country's Beidou-3 satellite navigation system, satellite applications related to satellite positioning, navigation, and timing will surely become popular in my country. Compared with inertial navigation, the Beidou system can provide all-day a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/53G01S19/41
CPCG01S19/53G01S19/41
Inventor 陈扬吴海乐侯利朋陈云锋
Owner CATHAY NEBULA SCI & TECH CO LTD
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