기술
核心功能
• 蓝牙连接 - 轻松连接各类RTK/GNSS接收机设备
• NTRIP客户端 - 内置NTRIP协议支持，实时获取差分改正数据
• 实时定位 - 显示经纬度、海拔、卫星数量、RTK状态等信息
• 精度指示 - 实时显示HDOP值和估算精度（米级）
• 卫星信息 - 星空图和信号强度可视化显示
记录功能
• 兴趣点记录 - 一键保存当前位置坐标
• 轨迹记录 - 记录移动轨迹，支持RTK质量状态分段显示
• GPX导出 - 标准GPX格式导出，兼容Google Earth等软件
• 地图显示 - 实时查看位置和历史记录
实用工具
• 测距功能 - 测量两点间距离
• 面积计算 - 多边形面积测量
• 屏幕常亮 - 户外作业时保持屏幕不熄灭
• 预设管理 - 保存多组NTRIP服务器配置
适用场景
• 测量测绘
• 精准农业
• 无人机航测
• GIS数据采集
• 地质勘探
• 工程放样
技术说明
本应用需配合支持蓝牙SPP协议的RTK/GNSS接收机使用，并需要有效的NTRIP服务账号才能获取差分数据实现高精度定位。支持解析NMEA-0183协议（GGA、GSV等语句），兼容主流RTK设备。
새로운 기능
- 버전: 1.2.4
- 업데이트:
- RTK Helper - 惯性导航标定功能 (新增)
核心功能
1. IMU 数据采集
- 支持多种采集时长：1分钟、5分钟、10分钟、30分钟、1小时、2小时、4小时、6小时、8小时、12小时
- 自动调整采样率：短时采集 100Hz，中时 50Hz，长时 25Hz
- 实时显示加速度计和陀螺仪三轴数据
- 采集期间自动保持屏幕常亮
2. Allan 方差分析
- 采用重叠 Allan 方差算法，提高统计精度
- 自动估计 IMU 噪声参数：
- ARW (角度随机游走) - 陀螺仪白噪声
- VRW (速度随机游走) - 加速度计白噪声
- 零偏不稳定性 (Bias Instability) - 长期漂移特性
- RRW (速率随机游走) - 需要长时间采集
- Allan 方差曲线可视化（log-log 图）
3. 误差验证
- 采集完成后自动进行 1 分钟静态验证
- 2 秒准备延迟，避免震动干扰
- 跳过前 0.5 秒不稳定数据
- 通过纯积分计算实测漂移：
- 位置漂移（加速度二次积分）
- 角度漂移（角速度积分）
- 漂移曲线可视化（分轴 + 模长）
4. 温度监测
- 每 5 秒采集一次设备温度
- 记录标定温度、最低/最高温度
- 温度曲线可视化
5. 标定记录管理
- 保存标定结果到本地
- 记录包含：采集信息、噪声参数、Allan 曲线数据、验证漂移曲线
- 支持查看历史记录详情
- 支持删除记录
6. 数据导出
- 支持导出为 CSV 格式
- 支持导出为 JSON 格式
技术特点
- 性能优化：Timer 频率根据采样率动态调整，避免卡顿
- 内存管理：预分配数组容量，长时间采集使用较低采样率
- 状态管理：完善的 Timer 清理逻辑，防止状态冲突
- 多语言：完整的中英文本地化支持
가격
- 오늘: 무료
- 최소: 무료
- 최대: 무료
가격 추적
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목록
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