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GNSS大壩安全監(jiān)測(cè)站 我有新說(shuō)法
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GNSS大壩安全監(jiān)測(cè)站具備高精度、高可靠性和實(shí)時(shí)性等特點(diǎn)。其測(cè)量精度可達(dá)毫米級(jí)，能夠準(zhǔn)確反映尾礦庫(kù)的微小位移變化。同時(shí)，它采用24小時(shí)不間斷的實(shí)時(shí)監(jiān)測(cè)方式，能夠及時(shí)發(fā)現(xiàn)位移異常，并通過(guò)自動(dòng)預(yù)警系統(tǒng)向用戶發(fā)出警報(bào)，為尾礦庫(kù)的安全管理提供有力保障。

一、簡(jiǎn)介

GNSS監(jiān)測(cè)系統(tǒng)基于空間位置已知的衛(wèi)星定位系統(tǒng)、采用空間后方交會(huì)基本原理，實(shí)現(xiàn)地面用戶終端設(shè)備的絕對(duì)定位?，F(xiàn)場(chǎng)部署的接收機(jī)終端，按照既定采集、傳輸頻率將觀測(cè)數(shù)據(jù)遠(yuǎn)程無(wú)線傳輸至監(jiān)測(cè)中心（一般為云端接收存儲(chǔ)），監(jiān)測(cè)中心對(duì)觀測(cè)數(shù)據(jù)即時(shí)分析處理，供相關(guān)技術(shù)、管理部門使用。

從數(shù)據(jù)流程及功能劃分角度，可將整個(gè)監(jiān)測(cè)系統(tǒng)劃分為空間部分、地面基準(zhǔn)站部分、監(jiān)測(cè)終端三大部分。

二、特點(diǎn)

1.支持BEIDOU B1/B2/B3、GPS L1/L2/L5、GLONASS G1/G2、GALILEO E1/E5a/E5b，4系統(tǒng)11頻點(diǎn)信號(hào)，自主開(kāi)發(fā)高精度平差解算軟件，實(shí)現(xiàn)多系統(tǒng)多頻點(diǎn)融合高精度定位

2.產(chǎn)品融合傾角、加速度模塊，輔助實(shí)現(xiàn)位移數(shù)據(jù)突變檢測(cè)，驅(qū)動(dòng)觀測(cè)工作模式的自適應(yīng)調(diào)整

3.產(chǎn)品基于芯片級(jí)自主開(kāi)發(fā)，極大降低整體功耗，更加適宜野外連續(xù)運(yùn)行

4.產(chǎn)品支持4G/NB-IoT、無(wú)線網(wǎng)橋，以太網(wǎng)等數(shù)據(jù)通訊傳輸模式，支持MQTT TCP/IP、NTRIP、JT808等通訊協(xié)議

5.產(chǎn)品搭載高性能工業(yè)級(jí)32位ARM內(nèi)核處理器，本地計(jì)算能力強(qiáng)大，內(nèi)置嵌入式web服務(wù)器，可遠(yuǎn)程雙向交互

6.依據(jù)應(yīng)用場(chǎng)景和監(jiān)測(cè)需求，支持動(dòng)（靜）態(tài)高精度解算

7.前端嵌入恒星日濾波、卡爾曼濾波、突變檢測(cè)等算法，云端融合大數(shù)據(jù)清理、趨勢(shì)分析、灰預(yù)測(cè)、切線角分析等模型，極大保證數(shù)據(jù)可靠性

8.產(chǎn)品采用鋁材整銑外殼、內(nèi)外密封防護(hù)、防摔軟膠設(shè)計(jì)，具有優(yōu)秀的防護(hù)、防摔及減震性能

三、工作條件

工作電壓：12V~36 V

瞬時(shí)最大電流：＜5A；工作電流：10mA~120mA

額定功耗：小于1.2W

工作溫度：-40°C?85°C；工作濕度：95%RH

四、技術(shù)參數(shù)


參數(shù)名稱

技術(shù)指標(biāo)

靜態(tài)精度

水平精度：土（2.5+0.5x10-6xD） mm

垂直精度：士（5.0+0.5x10-6xD） mm

動(dòng)態(tài)精度

水平精度：士（8.0+1.0x10-6xD） mm

垂直精度：士（15.0+1.0x10-6xD） mm

接收信號(hào)類型

BEIDOUB1/B2/B3、GPSL1/L2/L5、GLONASS G1/G2. GALILEO

E1/E5a/E5b 4 系統(tǒng) 11 頻點(diǎn)

數(shù)據(jù)采樣頻率

1Hz/2Hz/5Hz/10Hz/20Hz 可選

接口通訊方式

RS232，4G/NB-IoT〃電臺(tái)通訊

工作溫度

-40C?85℃

工作濕度

95%RH無(wú)凝露

防護(hù)等級(jí)

IP68

沖擊/震動(dòng)

可抗擊2m自由跌落

供電方式

12?36V直流寬電壓供電

差分?jǐn)?shù)據(jù)

RTCM3.2

電壓文波

100mvp-p（max）

測(cè)速精度

0.05m/s

一體機(jī)尺寸

213mm×129mm

一體機(jī)重量

＜2.2Kg

軟件概述

支持動(dòng)態(tài)、靜態(tài)解算，設(shè)備狀態(tài)管理、成果數(shù)據(jù)精度評(píng)定


參考資料

參考資料編輯區(qū)域


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