(window.webpackJsonp=window.webpackJsonp||[]).push([[53],{375:function(_,t,v){"use strict";v.r(t);var a=v(10),r=Object(a.a)({},(function(){var _=this,t=_._self._c;return t("ContentSlotsDistributor",{attrs:{"slot-key":_.$parent.slotKey}},[t("h1",{attrs:{id:"问题-外接-gps-的要求"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#问题-外接-gps-的要求"}},[_._v("#")]),_._v(" 问题：外接 GPS 的要求")]),_._v(" "),t("cite-panel",{attrs:{title:"问题：DETA10N / DETA20N / DETA30N 等可外接 GPS 的产品，对输入 GNSS 有哪些要求？"}},[t("p",[t("strong",[_._v("答：")])]),_._v(" "),t("h3",{attrs:{id:"硬件与基本参数"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#硬件与基本参数"}},[_._v("#")]),_._v(" 硬件与基本参数")]),_._v(" "),t("p",[_._v("将 GNSS 设备的 TTL "),t("strong",[_._v("TX")]),_._v(" 接到模组 "),t("strong",[_._v("RX3")]),_._v(" 即可。建议：")]),_._v(" "),t("ul",[t("li",[_._v("波特率："),t("code",[_._v("115200")]),_._v(" bps")]),_._v(" "),t("li",[_._v("输出频率：约 "),t("code",[_._v("10")]),_._v(" Hz")])]),_._v(" "),t("p",[_._v("再在上位机 "),t("strong",[_._v("COMM")]),_._v(" 界面配置端口协议（支持 "),t("strong",[_._v("NMEA 0183")]),_._v(" 与 "),t("strong",[_._v("UBX")]),_._v("），保存并重启后生效。")]),_._v(" "),t("fdi-img",{attrs:{width:"80%",alt:"外接 GNSS 端口配置",src:"/FQA/FQA_DETA100/图片6.png",caption:""}}),_._v(" "),t("h3",{attrs:{id:"nmea-模式-串口-3"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#nmea-模式-串口-3"}},[_._v("#")]),_._v(" NMEA 模式（串口 3）")]),_._v(" "),t("p",[_._v("位置融合至少需要："),t("strong",[_._v("GGA、GSA、GST")]),_._v("；速度融合至少需要："),t("strong",[_._v("VTG")]),_._v("。"),t("br"),_._v("\n当前可解析语句："),t("code",[_._v("GGA | GLL | VTG | RMC | GSA | GST | GSV")]),_._v("。")]),_._v(" "),t("p",[_._v("其中 "),t("strong",[_._v("GST")]),_._v(" 提供 "),t("code",[_._v("Hacc")]),_._v(" / "),t("code",[_._v("Vacc")]),_._v(" 估计；缺少该类精度信息时，GNSS/INS 组合难以生效（见 "),t("RouterLink",{attrs:{to:"/FQA/FQA_deta100/无法获取经纬度信息.html"}},[_._v("无法获取经纬度信息")]),_._v("）。采购前请确认 GNSS 设备能否输出 GST。另：VTG 通常仅含水平速度，NMEA 融合时垂直速度精度可能不足。")],1),_._v(" "),t("h3",{attrs:{id:"ubx-模式-串口-3"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#ubx-模式-串口-3"}},[_._v("#")]),_._v(" UBX 模式（串口 3）")]),_._v(" "),t("p",[_._v("至少需要下列 UBX 消息："),t("br"),_._v(" "),t("code",[_._v("UBX-NAV-DOP")]),_._v("、"),t("code",[_._v("UBX-NAV-PVT")]),_._v("、"),t("code",[_._v("UBX-NAV-STATUS")]),_._v("、"),t("code",[_._v("UBX-NAV-TIMEGPS")]),_._v("、"),t("code",[_._v("UBX-NAV-VELNED")]),_._v("、"),t("code",[_._v("UBX-NAV-POSLLH")]),_._v("。"),t("br"),_._v("\n可在 u-blox "),t("strong",[_._v("u-center")]),_._v(" 中配置，详情见厂商手册。")]),_._v(" "),t("h3",{attrs:{id:"如何确认已成功解析"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#如何确认已成功解析"}},[_._v("#")]),_._v(" 如何确认已成功解析")]),_._v(" "),t("p",[_._v("在上位机 "),t("strong",[_._v("Data")]),_._v(" 界面勾选 GPS 相关数据类型，确认显示数值合理即可。")]),_._v(" "),t("fdi-img",{attrs:{width:"80%",alt:"Data 界面 GNSS 数据校验",src:"/FQA/FQA_DETA100/图片7.png",caption:""}})],1)],1)}),[],!1,null,null,null);t.default=r.exports}}]);