接收四个雷达传递过来的报文数据,并进行数据融合,nodejs实现
时间: 2024-03-20 14:41:53 浏览: 20
接收四个雷达传递过来的报文数据,并进行数据融合,需要将四个雷达传输的数据进行组合和处理。以下是一个简单的示例,假设四个雷达传输的数据格式相同,为:[目标距离(4字节) + 目标角度(4字节) + 目标速度(4字节) + 目标反射率(2字节)],具体实现如下:
```js
const net = require('net');
// 存储四个雷达传输的数据
const data1 = { distance: 0, angle: 0, speed: 0, reflectivity: 0 };
const data2 = { distance: 0, angle: 0, speed: 0, reflectivity: 0 };
const data3 = { distance: 0, angle: 0, speed: 0, reflectivity: 0 };
const data4 = { distance: 0, angle: 0, speed: 0, reflectivity: 0 };
// 创建一个 TCP 服务器,监听四个雷达传输的数据
const server = net.createServer((socket) => {
console.log('雷达已连接');
// 监听雷达传输的数据
socket.on('data', (data) => {
// 解析数据
const buf = Buffer.from(data);
const distance = buf.readFloatLE(0); // 读取目标距离,以小端字节序读取
const angle = buf.readFloatLE(4); // 读取目标角度,以小端字节序读取
const speed = buf.readFloatLE(8); // 读取目标速度,以小端字节序读取
const reflectivity = buf.readInt16LE(12); // 读取目标反射率,以小端字节序读取
// 根据不同的雷达编号存储数据
switch (socket.remotePort) {
case 9001:
data1.distance = distance;
data1.angle = angle;
data1.speed = speed;
data1.reflectivity = reflectivity;
break;
case 9002:
data2.distance = distance;
data2.angle = angle;
data2.speed = speed;
data2.reflectivity = reflectivity;
break;
case 9003:
data3.distance = distance;
data3.angle = angle;
data3.speed = speed;
data3.reflectivity = reflectivity;
break;
case 9004:
data4.distance = distance;
data4.angle = angle;
data4.speed = speed;
data4.reflectivity = reflectivity;
break;
}
// 进行数据融合
const fusedData = {
distance: (data1.distance + data2.distance + data3.distance + data4.distance) / 4,
angle: (data1.angle + data2.angle + data3.angle + data4.angle) / 4,
speed: (data1.speed + data2.speed + data3.speed + data4.speed) / 4,
reflectivity: (data1.reflectivity + data2.reflectivity + data3.reflectivity + data4.reflectivity) / 4,
};
// 输出融合后的数据
console.log(`目标距离:${fusedData.distance}米`);
console.log(`目标角度:${fusedData.angle}度`);
console.log(`目标速度:${fusedData.speed}米/秒`);
console.log(`目标反射率:${fusedData.reflectivity}分贝`);
});
// 监听雷达断开连接事件
socket.on('end', () => {
console.log('雷达已断开连接');
});
});
// 启动服务器,监听四个雷达的指定端口
server.listen(9001, () => {
console.log('雷达1已启动,监听端口 9001');
});
server.listen(9002, () => {
console.log('雷达2已启动,监听端口 9002');
});
server.listen(9003, () => {
console.log('雷达3已启动,监听端口 9003');
});
server.listen(9004, () => {
console.log('雷达4已启动,监听端口 9004');
});
```
需要注意的是,以上示例仅适用于特定的数据格式和数据融合方式,具体的实现方式需要根据实际情况进行调整。