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>智能驾驶“四大感知神器”|原理+优缺点
智能驾驶“四大感知神器”|原理+优缺点
2025-12-09 13:43:07
智能驾驶“四大感知神器”|原理+优缺点
宝子们!智能驾驶的“感知能力”,全靠车上这4类传感器~原理+优缺点一次讲清,看完秒懂为啥要“多传感器融合”~
🔍【激光雷达】
- 原理:激光束反射→建3D立体地图
- 优点:精度超高(厘米级),识别小障碍物
- 缺点:怕极端天气,成本高,清洁/安装要求严
📡【毫米波雷达】
- 原理:毫米波反射→测速度/距离/角度
- 优点:穿透性强(暴雨/浓雾也能工作),成本低
- 缺点:精度一般(米级),难辨静止小物体
🎙️【超声波雷达】
- 原理:超声波反射→测近距离
- 优点:近距离超灵敏(倒车/停车神器),成本极低
- 缺点:探测距离短(≤5米),只能测距离
📷【摄像头】
- 原理:图像算法→识别车道/标志/物体
- 优点:能辨细节(交通灯/文字),成本低
- 缺点:怕强光/黑夜/雨天,依赖算法
💡理想是“多传感器融合”:激光雷达保精度、毫米波雷达扛坏天气、超声波管近距离、摄像头补细节~互相配合才更稳~
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CONNECT:[ UseTime:0.000723s ] mysql:host=127.0.0.1;port=3306;dbname=e_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000919s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000287s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000223s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000418s ]
SELECT * FROM `set` [ RunTime:0.000190s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000617s ]
SELECT * FROM `article` WHERE `id` = 457503 LIMIT 1 [ RunTime:0.000975s ]
UPDATE `article` SET `lasttime` = 1765288806 WHERE `id` = 457503 [ RunTime:0.011311s ]
SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000704s ]
SELECT * FROM `article` WHERE `id` < 457503 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000449s ]
SELECT * FROM `article` WHERE `id` > 457503 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004245s ]
SELECT * FROM `article` WHERE `id` < 457503 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000590s ]
SELECT * FROM `article` WHERE `id` < 457503 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001831s ]
SELECT * FROM `article` WHERE `id` < 457503 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003831s ]
0.170897s