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ͬʶ£4װ淢
2019924 ɼȫ˻ϵͳṩDJIʽ˾4װ˻(P4 Multispectral)DJI״ν׳ϵͳɱЯ˻ƽ̨ϣΪȫ¾ũҵ֯ṩЧĹߣũPϢȡЧʣھũҵͻŹ㷺Ӧǰ DJI 4 װ ͨ4װ棬ũũԱҪµأͿԿٻȡ߾ȵũݣͨЩʵĸЧ DJIսԺϵܼJan Gasparic˵4װ棬׳ۺϵһɿȶ˻ƽ̨ϣΪȫ¾ũҵ֯ṩЧĹߡ ӰϢ ũҵӰȿɼṩȷָϢɰũũԱֲ״ 4װһʽĶ׳ϵͳ1 ɼ 5 ״⣬̹⣬⣬ߺͽ⣩ÿӵ 200 ؽȲ䱸ȫֿţijϵͳ̨ϣݡ
⣬4 װ涥˹ǿɲ̫նȲ¼ӰļСݺڴʱ̫նݿڶӰйղųݵĸţʹøȷ NDVI 1ֵ߲ͬʱβɼݵȷһԡ ǿɲ̫ն 4 װ滹䱸 NDVIܣû RGBӰʵʱ NDVI ͼ֮лֲ״һĿȻӶԾߡ 4 װ ʵλ 4 װ TimeSync ʱͬϵͳͨɿءRTKʱϵͳ뼶ͬʵʱ̵ĺ뼶ϵͳÿͷĵλĵλã豸̬ϢʵʱʹӰøӾȷλϢ Ϊߵݾȣ4 װصǰԾϸУĻӰԪУڴʱоϸ NDVI ͼ RGB ͼʵʱл ͨ4 װɼĶӰϢͬNDRE2 NDVI ֲݣũũԱʱӦԲԣӶӪɱ߲ ݴ ݽܣ4 װĿǰҵݹDJIºҵȹӦ̵ķгͼͷܹ滮ûԴԶҵмƻִкͷݹ 4 װռݣɵͼֲָͼ⣬4 װ滹 D-RTK 2 ƶվ RTKλϵͳϵͳṩԭʼ۲ֵعļ֧ PPK 3̬ͨ·縲ǣҵЧ ǿֶೡӦ 4 װDJI±־ԵľDJIǿOcuSyncϵͳźŸţǿƵ䣬Ϊ7kmʵķ顣ÿɷ27ӡ 4 װ ũ 4 װ˿Ӧھũҵ⣬ڻ졣漰ֲĻ칤øܸЧɭֽƺͼӰֲȹ4 װԿʤΡ װû ˾иȵIJƷ⣬۵ľ 4 װ潫Ϊûͼûѱȸḻ飬ûۺǡ Ŀǰ 4 װṩãۼ44999 ԪD-RTK 2 ߾GNSSƶվװۼ 52599ԪһõûɻDJI GS PROרҵ桢ͼ桢RTKһʹȨޡ 4 װ ûڹ 4 װ֧üɼҵƻһεͼûͬʱ4 װûԻһѵDJI Maintenance Ʒȫ⣬ܼ࣬Уþ 4 װڳʱʹúȻ¡ [1],NDVI: Normalized Difference Vegetation Indexһֲָ,ͨNDVIжֲҶغ [2] NDRE: Normalized Difference VegetationһߣжϷdzҶغ [3] PPK: post processed kinematic̬زλºֵĶλ |