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解碼黑科技：全向數(shù)字雷達

2019-11-29 08:45:08 來源： DJI大疆農(nóng)業(yè) 閱讀量：14326 評論

　　【農(nóng)機網(wǎng) 明星企業(yè)】
 
　　大疆農(nóng)業(yè)植保無人飛機 T20 的發(fā)布，實現(xiàn)了安全、、上的技術(shù)突破。如此的背后，究竟隱藏著什么樣的黑科技呢？
 
　　前方高能，
 
　　一波 T20 黑科技來襲。
 
　　你是否遇到過植保機作業(yè)橫移中炸機？
 
　　仿地飛行不給力導(dǎo)致炸機？
 
　　炸機事小，誤工誤活為大。
 
　　如何減少上“桿”上“線”？
 
　　解碼 T20 黑科技第三集
 
　　全向數(shù)字雷達
 
　　T20 全向數(shù)字雷達將水平探測角度由上一代的前后 100° 擴展到了水平 360°，通過在水平方向進行 360° 機械掃描，在俯仰方向進行電子波束掃描，結(jié)合DBF 技術(shù)(電子波束合成)對探測目標進行空間定位。真正實現(xiàn)面面俱到，安全防護。
 
　　除了 360° 的視野，一個的雷達還需有「好眼力」。T20 全向數(shù)字雷達采用 MIMO (多發(fā)射多接收) 技術(shù)，在角度分辨率上較上一代提升一倍。
 
　　T20 全向數(shù)字雷達每秒可完成10000 個點云掃描，再通過「會建地圖」的 SLAM 技術(shù)將點云轉(zhuǎn)換為立體地圖。這意味著每秒獲得的障礙物信息更多了，那么如何避免誤檢呢？
 
多幀雷達點云積累效果
 
　　DJI 大疆農(nóng)業(yè)對不同省份作物、地形等數(shù)據(jù)的大量采集，結(jié)合 AI (人工智能)算法，將障礙物與雜波分割，保證了雷達對障礙物的識別精度。
 
　　再經(jīng)過研發(fā)團隊嚴苛的測試實驗，使得 T20 全向數(shù)字雷達識別障礙物的同時也能保持的作業(yè)效率。
 
　　如果說 T16 開啟了智能繞障的元年，那么T20 全向數(shù)字雷達則將定義產(chǎn)業(yè)安全的標準。T20 全向數(shù)字雷達支持航線任意位置的自動繞行，打破了上一代產(chǎn)品在橫移過程中的盲區(qū)，障礙物位于拐點處、左右橫移航線處 、前后航線處，均可執(zhí)行更優(yōu)的繞障方案，繞障不需再轉(zhuǎn)機頭。
 
　　為了保證植保機在飛行過程中能夠隨著地勢的起伏而實時調(diào)整飛行高度，以達到更好的噴灑效果。大疆植保機自 MG 系列以來均具備在山地、丘陵、梯田等復(fù)雜地形的仿地飛行。
 
　　經(jīng)過 5 年的技術(shù)積累， T20 全向數(shù)字雷達終實現(xiàn) 360° 地形感知，能夠在任意方向仿地飛行，靈活應(yīng)變更。
 
　　T20 全向數(shù)字雷達可連續(xù)工作 1500 小時以上，防護等級達 IP67，做到防水防塵。由于不受環(huán)境光線及塵土的影響，T20 全向數(shù)字雷達可全天候感知農(nóng)田環(huán)境，配合實時圖像監(jiān)控系統(tǒng) FPV，以及夜間探照燈，能夠全天候保障作業(yè)安全。
 

 
　　今天的解碼 T20 黑科技就到這里，我們下期見。

上一篇： 更節(jié)能、更環(huán)保——帶你領(lǐng)略愛科三款新品風(fēng)采

下一篇：大疆農(nóng)業(yè)T20植保無人機：開啟智慧農(nóng)業(yè)的又一把鑰匙

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