并行方式 concurrency mode; concurrent mode; parallel mode; parallel system
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Chapter 2 explains actuality of route planning and navigation method , the content and the sense of the thesis 第2章介紹航線設(shè)計(jì)與航行方法的現(xiàn)狀和本文研究?jī)?nèi)容及意義。
The content of the thesis include many scientific fields , such as nautical mathematics , apparatus , ship navigate , communication , artificial intelligence , computer graphic , graphic management and so on . the function of route planning and advanced navigation in the system is based on electronic nautical chart . it bring forward the grid model in route planning , during the course of route planning , it provide ways to settle all kinds of instance ; it figures out the best head bearing of the ship with the real time transfer data from navigation apparatus to the system , accomplish the advanced navigation function in ecdis 該系統(tǒng)是在電子海圖基礎(chǔ)平臺(tái)上來(lái)完成航線設(shè)計(jì)和最優(yōu)航法功能的,提出了在電子海圖中利用網(wǎng)格模型來(lái)進(jìn)行航線設(shè)計(jì)的方法,在求取最優(yōu)航線的過(guò)程中,全面綜合地考慮了各種可能出現(xiàn)的情況,并逐一解決;最優(yōu)航行方法中采用實(shí)時(shí)獲取船舶導(dǎo)航儀器傳入到系統(tǒng)中的數(shù)據(jù),并根據(jù)這些數(shù)據(jù)進(jìn)行計(jì)算,給出船舶當(dāng)前最佳船艏向,實(shí)現(xiàn)基于電子海圖顯示與信息系統(tǒng)的最優(yōu)航法。
With studying the character of the fairway , the hydrology , the model circumstance , this paper starts with the geog raphical environment at the bridge area , and uses the computer to simulate the navigation track under these situation , then provides correlating data and analyzing method engineer to optimize the position of the piers and seaman to maneuver the ship when they enter the bridge area 本文從橋區(qū)的地理環(huán)境出發(fā),通過(guò)研究橋區(qū)的航道特征、水文特征、典型環(huán)境條件,建立了相關(guān)的數(shù)學(xué)模型,并運(yùn)用計(jì)算機(jī)模擬船舶在這些條件下的航跡,從而為橋梁的選址、橋墩位置的優(yōu)化以及船舶駕駛員在進(jìn)入橋區(qū)時(shí)的航行方法提供相關(guān)的數(shù)據(jù)和分析手段。