大地测量实习报告_wu

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目录第一部分大地实习总结-------------------------------------------------------------------------- 31.实习情况总结 ---------------------------------------------------------------------------------------------------------------- 32.实习收获与技术总结 ------------------------------------------------------------------------------------------------------ 32.1.外业观测总结 --------------------------------------------------------------------------------------------------------- 3(1)仪器检验----------------------------------------------------------------------------------------------------------- 3(2)水准测量----------------------------------------------------------------------------------------------------------- 42.2.水准概算与近似平差 ----------------------------------------------------------------------------------------------- 5(1)往返闭合差计算------------------------------------------------------------------------------------------------- 5(2)往返较差计算中的一个特殊问题-------------------------------------------------------------------------- 5(3)水准路线近似平差部分--------------------------------------------------------------------------------------- 52.3.大地测量内业编程部分 -------------------------------------------------------------------------------------------- 5(1)关于单位问题 ---------------------------------------------------------------------------------------------------- 5(2)关于加常数500公里 ------------------------------------------------------------------------------------------ 5(3)关于精度问题 ---------------------------------------------------------------------------------------------------- 63.实习建议----------------------------------------------------------------------------------------------------------------------- 6(1)关于仪器----------------------------------------------------------------------------------------------------------- 6(2)关于考核----------------------------------------------------------------------------------------------------------- 6(3)关于选点考虑 ---------------------------------------------------------------------------------------------------- 6第二部分大地编程公式结果及源代码------------------------------------------------------- 71.高斯正反算-------------------------------------------------------------------------------------------------------------------- 71.1.数学模型 ---------------------------------------------------------------------------------------------------------------- 7(1)高斯正算(BL-XY) ----------------------------------------------------------------------------------------------- 7(2)高斯反算(XY-BL) ----------------------------------------------------------------------------------------------- 71.2.程序设计与计算结果 ----------------------------------------------------------------------------------------------- 71.3.部分源代码------------------------------------------------------------------------------------------------------------- 8(1)高斯正算主体 ---------------------------------------------------------------------------------------------------- 8(2)高斯反算主体 ---------------------------------------------------------------------------------------------------- 9(3)获得各系数和椭球参数值-----------------------------------------------------------------------------------102.大地主题正反算------------------------------------------------------------------------------------------------------------102.1.数学模型 ---------------------------------------------------------------------------------------------------------------10(1)高斯引数正算公式---------------------------------------------------------------------------------------------10(2)高斯引数反算公式---------------------------------------------------------------------------------------------122.2.程序设计与计算结果 ----------------------------------------------------------------------------------------------132.3.部分源代码------------------------------------------------------------------------------------------------------------15(1)大地主题正算主体---------------------------------------------------------------------------------------------15(2)大地主题反算主体---------------------------------------------------------------------------------------------163.实测斜距化算到高斯平面 ----------------------------------------------------------------------------------------------183.1.数学模型 ---------------------------------------------------------------------------------------------------------------18(1)实测斜距归算到椭球面--------------------------------------------------------------------------------------18(2)椭球面大地线再归算到高斯面----------------------------------------------------------------------------183.2.程序设计与计算结果 ----------------------------------------------------------------------------------------------193.3.部分源代码------------------------------------------------------------------------------------------------------------194.精密水准外业概算 --------------------------------------------------------------------------------------------------------204.1.数学模型 ---------------------------------------------------------------------------------------------------------------20(1)水准标尺尺长改正---------------------------------------------------------------------------------------------20(2)正常水准面不平行改正--------------------------------------------------------------------------------------20(3)水准闭合差改正------------------------------------------------------------------------------------------------20(4)每公里高差中数偶然中误差 -------------------------------------------------------------------------------214.2.概算表格编制(见附件)----------------------------------------------------------------------------------------21第三部分附件--------------------------------------------------------------------------------------21(1)水准测量点之记------------------------------------------------------------------------------------------------21(2)i角检验表格 ----------------------------------------------------------------------------------------------------21(3)水准尺零点差及尺常数检验 -------------------------------------------------------------------------------21(4)武测和武大环高差计算表格 -------------------------------------------------------------------------------21(5)二等水准高程概算表格--------------------------------------------------------------------------------------21第一部分大地实习总结1.实习情况总结这次大地实习共维持三周时间,分为二等精密水准测量和大地内业编程计算两大块内容。