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Implementation method for multi-radar video multi-window on-screen display in VTS (vessel traffic service) system

A screen display and implementation method technology, applied in the direction of radio wave measurement systems, instruments, etc., can solve the problems of long calculation time, display frame loss, low display resolution, etc., and achieve the effect of improving the processing capacity of radar video data

Inactive Publication Date: 2012-07-04
NANJING PRIDE SYST ENG INST +1
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Problems solved by technology

[0003] (1) Long calculation time and low display resolution;
[0004] (2) After switching display parameters (such as range, center, etc.), the response time is long (>3 seconds);
[0005] (3) When multiple radars (>4) data are displayed at the same time, there is obviously a phenomenon of display frame loss

Method used

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  • Implementation method for multi-radar video multi-window on-screen display in VTS (vessel traffic service) system
  • Implementation method for multi-radar video multi-window on-screen display in VTS (vessel traffic service) system

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Embodiment Construction

[0017] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as figure 1 As shown, the present invention provides a method for realizing multi-radar video and multi-window display on the same screen in a VTS system, which is mainly used in the VTS system to obtain geographical environment information through the electronic chart system, and to obtain radar video information through the radar video acquisition system. Described realization method comprises the steps:

[0019] (1) Obtain the selected radar video data source, and create a calculation thread corresponding to each radar video data source; at the same time, obtain the required radar video display window, and create a display thread corresponding to each display window, and establish intelligent prediction Calculation thread, intelligent prediction The main work of the calculation thread is to monitor the input instructions of...

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Abstract

The invention discloses an implementation method for multi-radar video multi-window on-screen display in a VTS (vessel traffic service) system. The implementation method comprises following steps: (1) obtaining selected radar video data sources and creating calculating threads corresponding to the radar video data sources; simultaneously obtaining windows of radar videos required to be displayed, creating display threads corresponding to the display windows and intelligently predicting the calculating threads; (2) establishing thread priority; (3) determining calculating quantities of the various threads, reasonably distributing the calculating quantities to various CPU (central processing unit) cores, synchronizing the various threads and displaying final results onto a screen; and (4) predicting a following operation direction of an operator according to current operation of the operator, obtaining a calculating result in advance, and directly applying the calculating result before the operator finishes the current operation. The method can shorten calculating time required by radar video signal display, and increases processing quantity of radar video data within unit time.

Description

technical field [0001] The invention relates to a radar video display technology, in particular to a multi-radar video multi-window same-screen display technology. Background technique [0002] In the Vessel Traffic Navigation System (VTS) system, the main information displayed on the operation terminal includes radar video (1-10 radars), VHF-DF information, radar target tracking information, unmanned station monitoring information, industrial TV, AIS information and Chart information, etc., due to the limitation of computer performance, the traditional display of radar video in the current VTS system has the following problems: [0003] (1) Long calculation time and low display resolution; [0004] (2) After switching display parameters (such as range, center, etc.), the response time is long (>3 seconds); [0005] (3) When the data of multiple radars (>4) are displayed at the same time, there is obviously a phenomenon of display frame loss. [0006] Based on the...

Claims

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Application Information

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IPC IPC(8): G01S7/04
Inventor 杨明远柏晓锁穆加艳盛龙李栋季红
Owner NANJING PRIDE SYST ENG INST
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