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北斗遠程通信船載終端



                                           系統介紹
 
                                                    系統包括艙外單元和艙內單元,采用自主開發的微弱信號處理技術,自適應動態增益調節處理和全自動跟蹤技術集成
                                              10°E -145 °W | 50°S-75°N范圍內的定位、測速、短報文通信服務功能。支持手機、電腦等終端設備基于北斗的短消息
                                              語音、圖像等傳輸,為用戶提供便捷、準確的北斗定位通信服務。在準全球范圍內,為用戶提供移動衛星通信服務。
 
                                                     系統優勢
 
                                              ■超遠程通信
                                                 利用北斗系統實現跨洲際通信為用戶提供超遠程通信手段。
                                              ■微弱信號處理
                                                 通過微弱信號處理技術使得在北斗弱信號條件下仍能實現北斗信號的正常接收。
                                              ■輔助天線快速對準
                                                 終端根據所在位置及選擇的衛星波束,自動計算收發天線的俯仰及方位角。將天線快速對準衛星完成終端使用部署。
 
                                                     技術參數及指標
                                                                                                     
                                               頻      點              RDSS L/S    RNSS B1
                                               頻      率              S(2491.75±8.16MHz)  L(Lf0; Lf1; Lf2)
                                               增      益              16dBi@L     20dBi@S
                                               定位精度              水平≤6m   高程≤8m
                                               測速精度              0.2m/s
                                               接收波束              14個
                                               捕獲時間              首次捕獲≤5s    重新捕獲≤2s
                                               通信頻率              10s/60s(可選)
                                               通信容量              ≤1000漢字
                                               艙外單元              Φ712mm×700mm
                                               艙內單元              250mm×190mm×42mm
                                               數據接口              RS232串口
                                               整機功耗              ≤20W
                                               艙內單元              -20℃~+55℃
                                               艙外單元              -40℃~+55℃
                                               存儲溫度              -55℃~+70℃
                                               濕      度              相對濕度95%(+45℃)
                                               接收靈敏度           ≤-125dBm
                                               艙外單元重量        20kg
                                               艙內單元重量        1.5kg 
                                             
 
 
                                                     應用場景

                                                                       
                                                                                     
                                                                        海洋科考通信
                                        全球衛星通信                                           海上通信保障
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