科傻GPS平差软件说明书

GPS工程测量网通用平差软件包CosaGPS

科傻系统(COSA)系列软件

GPS工程测量网

通用平差软件包

（CosaGPS V5.1）

使用说明书

2007年11月

CosaGPS

GPS工程测量网通用平差软件包CosaGPS

版权所有 不得翻录

Tel: 13100727893 13628666950

13317123688 13317198509 Email: jmguo@sgg.whu.edu.cn

nxluo@sgg.whu.edu.cn

CosaGPS

GPS工程测量网通用平差软件包CosaGPS

目录

目录 ......................................................................................................1 １.简介 .................................................................................................3

1.1 功能全面 ...............................................................................3 1.2 整体性好 ...............................................................................3 1.3 解算容量大，运算速度快 ...................................................3 1.4 操作简明，使用方便 ...........................................................4 2.“文件”下拉菜单 .............................................................................6

2.1 工程与文件 ...........................................................................6 2.2 “文件”菜单项 ...................................................................8

2.2.1新建 .............................................................................8 2.2.2打开 .............................................................................9 2.2.3关闭 .............................................................................9 2.2.4保存 .............................................................................9 2.2.5另存为 .........................................................................9 2.2.6新建工程 .....................................................................9 2.2.7 打开工程 ..................................................................15 2.2.8 打印 ..........................................................................16 2.2.9 打印预览 ................................................................16 2.2.10 打印设置 ................................................................16 2.2.11 退出 ........................................................................16

3.“GPS数据处理”下拉菜单 .............................................................17

3.1 已知数据 .............................................................................17

3.1.1 三维已知坐标 ..........................................................18 3.1.2 二维已知坐标 ..........................................................19 3.1.3 一维高程点 ..............................................................19 3.1.4 输入地面边长 ..........................................................19 3.1.5 输入地面方位 ..........................................................20 3.2 基线数据 .............................................................................20 3.3 GPS三维向量网平差（无约束平差或约束平差） ..........21 3.4 二维网联合/约束平差 ........................................................22

CosaGPS

1

GPS工程测量网通用平差软件包CosaGPS

3.4.1 联合/约束平差 .........................................................22 3.4.2 输出用户自定义任意两点相对精度 .......................23 3.5 椭球面上三维平差 .............................................................23 3.6 工程网(一点一方向)平差 ...................................................24 3.7 GPS高程拟合 ......................................................................25 3.8 GPS三维秩亏自由网平差 ..................................................26 3.9 稳定性分析 .........................................................................27 3.10 设置 ...................................................................................28 4.“查看”下拉菜单 ...........................................................................28 5.“工具”下拉菜单 ...........................................................................29

5.1 闭合差计算 .........................................................................30 5.2 重复基线差 .........................................................................30 5.3 网图显绘 .............................................................................31 5.4 贯通误差影响值计算 .........................................................31 5.5 GPS网设计 ..........................................................................32 5.6 输出AutoCAD格式的GPS网图 ......................................33 6.“坐标转换”下拉菜单....................................................................34

6.1 XYZ-〉BLH .........................................................................34 6.2 BLH->XYZ ..........................................................................35 6.3 BL->XY ................................................................................36 6.4 XY->BL ................................................................................36 6.5 XY1->XY2 ...........................................................................37 6.6 XYZ1->XYZ2 ......................................................................39 6.7 高程面坐标变换 .................................................................41 7.“帮助”下拉菜单 .........................................................................42 附录1. 功能菜单框图 ......................................................................43 附录2. 算例及说明 ..........................................................................44 附录3. 基线解文件格式说明 ..........................................................46 附录4. 方向及经纬度的角度格式说明 ..........................................54 附录5. 简要操作步骤 ......................................................................55

CosaGPS

2