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地基增強(qiáng)
Ground Based Augmentation

北斗地基增強(qiáng)系統(tǒng)是“空間數(shù)據(jù)基礎(chǔ)設(shè)施”最為重要的組成部分。北斗地基增強(qiáng)系統(tǒng)通過建設(shè)若干永久性連續(xù)運(yùn)行的北斗基準(zhǔn)站（CORS），提供發(fā)布專有格式的基準(zhǔn)站站點(diǎn)坐標(biāo)和北斗差分?jǐn)?shù)據(jù)。
BeiDou Ground Based Augmentation System (GBAS) is the most important constituent part of the “Spatial Data Infrastructure”, and it provides and releases reference station coordinates and BeiDou differential data in dedicated format by building some BeiDou CORSs (continuously operating reference stations).

秦皇島北斗基準(zhǔn)站CORS示范應(yīng)用是由在昌黎、山海關(guān)和青龍滿族自治縣設(shè)立的三個(gè)增強(qiáng)站、數(shù)谷翔園控制中心和數(shù)據(jù)中心三部分組成。通過授權(quán)接入的方式能夠?yàn)榍鼗蕧u及周邊區(qū)域提供氣象預(yù)測、地質(zhì)形變、車道級(jí)監(jiān)控、國土測繪、城市規(guī)劃、精耕農(nóng)業(yè)、海洋鉆井和防災(zāi)減災(zāi)等相關(guān)服務(wù)。同時(shí)，還能依托該系統(tǒng)建立起城市空間基礎(chǔ)設(shè)施的三維、動(dòng)態(tài)、地心坐標(biāo)參考框架，從而實(shí)時(shí)的從空間位置信息面上實(shí)現(xiàn)城市真正的數(shù)字化。CORS的建成能使更為廣泛的群體使用北斗高精度服務(wù)，它必將在城市經(jīng)濟(jì)建設(shè)中發(fā)揮重要作用，為秦皇島市乃至河北省帶來不可估量的社會(huì)效益和經(jīng)濟(jì)效益。
Qinhuangdao BeiDou CORS demonstration application consists of three parts: three Augmentation Stations, Shugu Xiangyuan Control Center and Data Center established in Changli, Shanhai Pass and Qinglong Manchu Autonomous County. It can provide relevant services including weather forecast, geological deformation, lane-level monitoring, land surveying and mapping, urban planning, precision agriculture, offshore drilling, and disaster prevention and mitigation for Qinhuangdao and the surrounding areas by the means of authorized access. Meanwhile, 3D, dynamic and geocentric coordinate reference frameworks for urban spatial infrastructure can also be established based on the system, thereby realizing genuine urban digitization in real time from the perspective of spatial location information. As the establishment of CORS enables a wider range of groups to use high-precision services of BeiDou, the CORS will certainly play an important role in the urban economic development and bring immeasurable social and economic benefits for Qinhuangdao and even Hebei Province.

固定危險(xiǎn)源在線監(jiān)測預(yù)警
Online Monitoring and Early-warning of Fixed Hazards

固定危險(xiǎn)源主要指危險(xiǎn)物資的儲(chǔ)存和危險(xiǎn)性生產(chǎn)裝置等，包括加油加氣站、天然氣和煤氣管道、化工廠、?；穫}庫、發(fā)電站、水庫等。為了防范重大事故發(fā)生及進(jìn)行應(yīng)急處置，在線監(jiān)測預(yù)警系統(tǒng)可對(duì)固定危險(xiǎn)源的電氣設(shè)備、電子設(shè)備、監(jiān)控設(shè)備等數(shù)據(jù)進(jìn)行遠(yuǎn)距離、長時(shí)間的信息傳輸和集中采集。同時(shí)可以將現(xiàn)場的氣體濃度、溫度、液位、壓力、流量、自動(dòng)化控制設(shè)備、儀表、視頻攝像機(jī)的實(shí)時(shí)數(shù)據(jù)通過北斗衛(wèi)星進(jìn)行加密傳輸和通信。一旦出現(xiàn)安全隱患或者突發(fā)情況，在數(shù)谷云平臺(tái)后端啟動(dòng)應(yīng)急預(yù)案，利用北斗衛(wèi)星遠(yuǎn)程進(jìn)行關(guān)閉門閥和采取緊急措施，并進(jìn)行指揮調(diào)度和救援，同時(shí)系統(tǒng)能夠預(yù)留擴(kuò)展接口和二次開發(fā)工具與110、119、120進(jìn)行并網(wǎng)聯(lián)動(dòng)。
Fixed hazards mainly refer to hazardous materials storage facilities and hazardous production facilities, including petrol stations and gas stations, natural gas and gas pipes, chemical plants, hazardous chemicals warehouses, power stations and reservoirs, etc. For major accidents prevention and emergency handling, the online monitoring and early-warning system can realize remote and long-time information transmission and centralized collection of data from electrical, electronic and monitoring equipment, etc. of the fixed hazards. In the meantime, real-time data of gas concentration, temperature, liquid level, pressure, flow volume, automatic control equipment, instruments and video cameras on site can be transmitted and communicated in an encrypted way via the BeiDou Satellite. Once safety hazards or emergencies occur, the system will initiate the contingency plan at the back end of Shugu cloud platform, close the gate valves remotely by BeiDou Satellite, take emergency measures and carry out command, dispatch and rescue; at the same time, the system can also reserve expansion interfaces and secondary development tools for grid-connected linkage with 110, 119 and 120.