在测量激光雷达传感器供电线电压时,应将万用表的()放在()上,()放在()上。a.红表笔b.黑表笔c.供电线d.信号线e.搭铁线
A. acbd
B. acbe
C. adbe
D. aebe
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左前座椅通风风扇搭铁线电阻正常是多少欧姆
A. 0
B. 1
C. 2
D. 3
如果示波器中测量的CAN线波形过低,这时需要调节示波器的
A. 振幅
B. 频率
C. 时间
D. 象限
在执行视觉传感器标定程序中,执行标定程序的命令是
A. .$ rosrun camera _ calibration cameracalibrator . py -- size (×) x ( Y )-- square ( a )/ image :=/ usb _ cam / image _ raw camera :=/ usb _ cam http://wiki.ros.org/camera_calibration/
B. http://wiki.ros.org/camera_calibration/
C. $rosdepinstalcamera_calibration
D. $roslaunchusb_camusb_cam-test.launch
在进行激光雷达测试时,运行激光雷达过滤地面程序的命令是
A. roslaunchvelodyne_pointcloudVLP16_points.launch
B. roslaunchplane_ground_filter
C. roslaunch euclidean _ cluster euclidean _ cluster . Launch
D. roslauncheuclidean_clustereuclidean_cluster.launch