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农业遥感:原理与基础

  • 2026-06-03 13:18:31
农业遥感:原理与基础

农业遥感：原理与基础

农业遥感基础与原理：利用搭载于卫星、无人机等平台的传感器，非接触地获取农田作物和土壤的电磁波信息。其核心依据在于不同地物（如健康作物、缺水作物、不同土壤类型）具有独特的光谱反射特性，尤其是健康植被对近红外光强反射、对红光强吸收。通过分析植被指数（如NDVI）、叶面积指数等遥感参数，可以反演出作物的生理生化状态、水分含量、养分胁迫及病虫危害，实现对农业生产对象的精准感知与动态监测，是数字农业和精准农业的重要技术基石。#农业遥感 #精准农业 #光谱原理 #数字农业#农业遥感 #精准农业 #数字农业#植被指数 #NDVI #高光谱 #近红外遥感#作物长势监测 #灾害预警 #智慧农业#无人机遥感 #卫星遥感 #农业传感器

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  140. /yingpanguazai/ssd/ssd1/www/h.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000806s ] mysql:host=127.0.0.1;port=3306;dbname=h_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000895s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000381s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001777s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000607s ]
  6. SELECT * FROM `set` [ RunTime:0.004526s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000780s ]
  8. SELECT * FROM `article` WHERE `id` = 535476 LIMIT 1 [ RunTime:0.000465s ]
  9. UPDATE `article` SET `lasttime` = 1781985987 WHERE `id` = 535476 [ RunTime:0.003705s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000240s ]
  11. SELECT * FROM `article` WHERE `id` < 535476 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000459s ]
  12. SELECT * FROM `article` WHERE `id` > 535476 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000609s ]
  13. SELECT * FROM `article` WHERE `id` < 535476 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000861s ]
  14. SELECT * FROM `article` WHERE `id` < 535476 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.008056s ]
  15. SELECT * FROM `article` WHERE `id` < 535476 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004426s ]
0.142588s