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gnss地表位移監測站 我有新說法
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gnss地表位移監測站基于空間位置已知的衛星定位系統、采用空間后方交會基本原理，實現地面用戶終端設備的定位?，F場部署的接收機終端，按照既定采集、傳輸頻率將觀測數據遠程無線傳輸至監測中心（一般為云端接收存儲），監測中心對觀測數據即時分析處理，供相關技術、管理部門使用。

一、產品簡介

GNSS監測系統基于空間位置已知的衛星定位系統、采用空間后方交會基本原理，實現地面用戶終端設備的定位?，F場部署的接收機終端，按照既定采集、傳輸頻率將觀測數據遠程無線傳輸至監測中心（一般為云端接收存儲），監測中心對觀測數據即時分析處理，供相關技術、管理部門使用。

從數據流程及功能劃分角度，可將整個監測系統劃分為空間部分、地面基準站部分、監測終端三大部分。

二、產品特點

1.支持BEIDOU B1/B2/B3、GPS L1/L2/L5、GLONASS G1/G2、GALILEO E1/E5a/E5b，4系統11頻點信號，自主開發高精度平差解算軟件，實現多系統多頻點融合高精度定位

2.產品融合傾角、加速度模塊，輔助實現位移數據突變檢測，驅動觀測工作模式的自適應調整

3.產品基于芯片級自主開發，極大降低整體功耗，更加適宜野外連續運行

4.產品支持4G/NB-IoT、無線網橋，以太網等數據通訊傳輸模式，支持MQTT TCP/IP、NTRIP、JT808等通訊協議

5.產品搭載高性能工業級32位ARM內核處理器，本地計算能力強大，內置嵌入式web服務器，可遠程雙向交互

6.依據應用場景和監測需求，支持動（靜）態高精度解算

7.前端嵌入恒星日濾波、卡爾曼濾波、突變檢測等算法，云端融合大數據清理、趨勢分析、灰預測、切線角分析等模型，極大保證數據可靠性

8.產品采用鋁材整銑外殼、內外密封防護、防摔軟膠設計，具有優秀的防護、防摔及減震性能

三、工作條件

工作電壓：12V~36 V

瞬時大電流：＜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、技術參數

參數名稱

技術指標

靜態精度

水平精度：土（2.5+0.5x10-6xD） mm

垂直精度：士（5.0+0.5x10-6xD） mm

動態精度

水平精度：士（8.0+1.0x10-6xD） mm

垂直精度：士（15.0+1.0x10-6xD） mm

接收信號類型

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

E1/E5a/E5b 4 系統 11 頻點

數據采樣頻率

1Hz/2Hz/5Hz/10Hz/20Hz 可選

接口通訊方式

RS232，4G/NB-IoT〃電臺通訊

工作溫度

-40C?85℃

工作濕度

95%RH無凝露

防護等級

IP68

沖擊/震動

可抗擊2m自由跌落

供電方式

12?36V直流寬電壓供電

差分數據

RTCM3.2

電壓文波

100mvp-p（max）

測速精度

0.05m/s

一體機尺寸

213mm×129mm

一體機重量

＜2.2Kg

軟件概述

支持動態、靜態解算，設備狀態管理、成果數據精度評定

五、安裝注意事項

1.對空視野較開闊，視野內高度角15°范圍內無成片遮擋物

2.遠離大功率無線電發射源（如電視臺、電臺、微波站等），其距離不小于200米，遠離高壓輸道電線和微波無線電信號傳輸通道，其距離不小于50米

3.附近不應有強烈信號反射物件（如大型建筑物、大面積水域等）

4.交通較為便利，利于施工、施測及后期維護作業

5.基準點測設應根據設計方案執行，其基礎應保證穩定

6.監測點測設應根據設計方案執行，確需微調應與設計單位充分溝通確定

參考資料

參考資料編輯區域


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