ros::NodeHandle nh;message_filters::Subscriber<Image>image_sub(nh,"image",1);// topic1 输入message_filters::Subscriber<CameraInfo>info_sub(nh,"camera_info",1);// topic2 输入TimeSynchronizer<Image, CameraInfo>sync(image_sub, info_sub,10);// 同步sync.registerCallback(boost::bind(&callback...
参考连接:http://wiki.ros.org/message_filters 方式二: 类成员的形式 message_filters::Synchronizer 说明: 我用 TimeSynchronizer 改写成类形式中间出现了一点问题.后就改写成message_filters::Synchronizer的形式. 头文件 #include <message_filters/subscriber.h> #include <message_filters/synchroni...
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(source /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null #安装ROS2 sudo apt update ...
方式一: 全局变量形式 : TimeSynchronizer 步骤: 1. message_filter ::subscriber 分别订阅不同的输入topic 2.TimeSynchronizer<Image,CameraInfo> 定义时间同步器; 3. sync.registerCallback同步回调 4. voidcallback(constImageConstPtr ,constCameraInfoConstPtr&cam_info)带多消息的消息同步自定义回调函数 相应的A...
#include<ros/ros.h>#include<geometry_msgs/PoseStamped.h>#include"image_transport/image_transport.h"#include"cv_bridge/cv_bridge.h"#include"message_filters/subscriber.h"#include"message_filters/synchronizer.h"#include"message_filters/time_synchronizer.h"#include"message_filters/sync_policies/exact_tim...
{// NODELET_INFO("Got a subscriber to scan, starting subscriber to normal pointcloud");}typedefsync_policies::ApproximateTime<sensor_msgs::PointCloud2,sensor_msgs::PointCloud2> MySyncPolicy;Synchronizer<MySyncPolicy>sync(MySyncPolicy(40), sub1_, sub2_);// sync.setAgePenalty(1.0);sync.reg...
message_filters::sync_policies::ApproximateTime 是ROS(机器人操作系统)中一个用于消息同步的策略类。它允许开发者根据消息的时间戳来近似地同步来自不同源的消息。与精确的时间同步不同,ApproximateTime 策略允许存在一定的时间偏差,这在某些应用场景中是可以接受的,比如当消息的时间戳不是完全精确或存在网络延迟时。
Our numerical results show the potential gain of using the oversampled signal for carrier synchronization, obtaining better performances than using a classical synchronizer, and good time-delay estimation.Highlights? Joint carrier and time-delay synchronization problem in satellite communications. ? Over...
However, even being considered a synchronizer, there is no evidence the social stimuli can act lonely as a zeitgeber, without the most outstanding signal that is the light-dark cycle. Knowing that zebrafish (Danio rerio) is a highly social species (Pritchard et al., 2001, Larson et al., ...
(LockSupport.java:194) 01:45:44 at java.base@11.0.10-internal/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081) 01:45:44 at java.base@11.0.10-internal/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPool...