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                                                                                                                                                                      分布式振動光纖總

                                                                                                                                                                      定位型分布式振動光纖

                                                                                                                                                                      定位型分布式振動光纖是一種新型的振動光纖預警系統,它具有超長距離監測、室外完全無源、報警定位、多點報警等等新穎的報警功能,讓我們一起了解下定位型分布式振動光纖;

                                                                                                                                                                      產品中心  /  PRODUCT CENTER

                                                                                                                                                                            振動光纖隨著應用場景需求日益多樣化,對于安全防護要求等級也越來越高,傳統的防區型振動光纖已無法滿足防護要求,更高等級的智能化周界安全防范更迫切;

                                                                                                                                                                            一種新型的分布式振動光纖預警系統出現了,它具有超長距離監測、室外完全無源、報警定位、多點報警等等新穎的報警功能;接下來,讓我們一起了解下定位型分布式振動光纖 LXGD系列;

                                                                                                                                                                       


                                                                                                                                                                      高速數據采集與處理系統

                                                                                                                                                                      分布式振動光纖入侵探測器

                                                                                                                                                                      分布式振動光纖原理

                                                                                                                                                                           蘭星分布式振動傳感技術是基于相干瑞利散射的分布式光纖傳感器,它利用光纖對振動、聲音、形變等敏感的特性,外界施加不同信號于傳感光纖上時,由于彈光效應,光纖的折射率、長度將產生微小變化,從而導致光纖內傳輸信號(相位、強度、頻率)的變化。

                                                                                                                                                                            脈沖寬度區域內瑞利散射信號之間會發生干涉,通過對瑞利散射光分析,可以獲得反射率、應變、溫度、振動等各類被測量沿著光纖長度分布的信息,該信號隨觸發量的變化進行多維度解調提取特征值信號。

                                                                                                                                                                       

                                                                                                                                                                      蘭星分布式振動光纖優勢:

                                                                                                                                                                      前端無源:0-140KM前端防區無源防范;
                                                                                                                                                                      防區長度:軟件任意劃分防區;
                                                                                                                                                                      安裝方式:可將光纜鋪設于柵欄上、墻體內、地底;
                                                                                                                                                                      環境學習:長期智能學習適應環境,自適應調整靈敏性;
                                                                                                                                                                      模式識別:干擾信息篩選。高低靈敏度自切換,可根據防護等級調節;
                                                                                                                                                                      多點擾動:可同時接收不同區域,不同地點的擾動信息;
                                                                                                                                                                      斷纖保護:光纜如意外中斷,可顯示斷點處報警。斷點處至機房主機的傳感光纜可正常工作;
                                                                                                                                                                      防破壞性:光纜柔性介質,隱蔽鋪設在圍欄上、墻體內、地底或者其他介質上;

                                                                                                                                                                       

                                                                                                                                                                      系統拓撲圖

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