《GNSS 原理及应用》上机实习报告 2目录一．实习目的及其要求···································3二．数据处理流程及其步骤·······························41.利用 HGO 进行数据转换·································42.利用 TEQC 对数据进行检查······························7（1）完好观测值的比率·······································10（2）无效观测值的比率·······································11（3）平均信噪比：SN1 ， SN2···································12（4）平均多路径效应：MP1 ， MP2·······························13三．利用 TTC 处理静态数据并生成报告·····················141.基线处理··················································142.无约束平差················································153.约束平差··································3················16四．实习心得···········································164一、实习目的及其要求目的：1. 熟悉使用 TEQC 软件对数据质量进行检查质量检查包括：1.1 完好观测值的比率1.2 无效观测值的比率 大于截止高度角但无 L1（个数） 大于截止高度角但无 L2（个数） 大于截止高度角但无 P1|CA（个数） 大于截止高度角但无 P2（个数）1.3 平均信噪比：SN1，SN21.4 平均多路径效应：MP1，MP2 2. 掌握 TTC 软件的基本操作2.1 数据导入2.2 基线解算：基线解算策略的设置2.3 网平差：无约束平差、约束平差要求： 1.按小组选择数据进行实验。 2.注意数据的保密：数据只能用于实习，不得做其他用途，否则承担相应的责任。 3.观测时间间隔设置为 30s。 4.所提供的的软件不能外泄，仅用于此次实习。 5.导入 TTC 中的数据只能含有 GPS 卫星的数据，其他卫星的数据需要消除。...
