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gnss大壩位移監測 我有新說法
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　　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。現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。現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.產品基于芯片自主開發，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，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

參考資料

參考資料編輯區域


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