| 1. | High precision positioning is based on carrier phase measurements . how to confirm integer ambiguity is very important
以载波相位观测量为依据进行高精度定位时,整周模糊度的确定是一个关键问题。 |
| 2. | In the thesis , i introduce the theory and application of gps carrier phase measurement , analyze the errors in the observation of gps signal , study the ways to reduce these errors , specially for the error caused by multipath
论文介绍了gps载波相位测量技术的原理和应用，分析了gps观测量的误差，研究了减小和消除各种误差的方法，重点是减小多径效应的影响。 |
| 3. | The key problems of gps carrier phase measurement are how to solve the integer ambiguity of gps carrier and how to detect and compensate the cycle slip of gps carrier in the period of navigation process
载波相位测量定位的关键问题是如何确定整周模糊度和周跳的探测和修复。本文对此问题展开研究，讨论了在载体动态运行环境下，动态整周模糊度问题和周跳的探测与修复问题。 |
| 4. | To jupiter gps oem board receiver of the low cost , the software was developed according to the original data of satellite , the primitive observation data of receiver and gps theory of technology based on gps pseudo - range observation and carrier phase measurement . 2
针对低成本的jupitergpsoem板接收机，直接根据星历原始数据和接收机原始观测数据以及gps定位技术的理论进行了gpsoem板的伪距与载波相位定位软件的开发。 |
| 5. | Recently , with the development of gps , many researchers pay attention to the aircraft ' s precise entrance and landing through gps carrier phase measurement . the key technology of aircraft ' s precise entrance and landing is gps carrier phase integer ambiguity resolution on the fly
近年来，随着gps的发展和完善，利用gps载波相位观测量实现飞机的精密进场与着陆的研究，开始受到人们的关注，而载波相位整周模糊度的动态确定是其中的关键技术。 |
| 6. | Firstly , the principle of gps kinematical carrier phase measurement positioning is introduced concisely . the mathematical mode of gps carrier phase measurement absolution positioning is discussed and provided . a way to obtain the difference between the true location and the estimated location is proposed
论文首先介绍了gps动态载波相位测量定位原理，讨论了动态载波相位测量绝对定位的数学模型，给出了一种求解接收机所在位置改正数的方法。 |
| 7. | 1 ) based on the theory and application of gps , the construction and application of the rtk ( real time kinematic ) - gps carrier phase measurement ( so called rtk ) are studied . the differences between messages type 18 / 19 and type 20 / 21 are compared by analysing rtcm sc - 104 messages , and the advantages and disadvantages of using those types are pointed out . 2 ) the various factors , which influence positioning accuracy , are analyzed in this paper
论文的主要内容和研究成果如下： 1 )简要介绍了gps的原理和应用，论述了rtk ( realtimekinematic ) - gps载波相位测量(通常简称为rtk )系统的组成和工作原理，通过对rtcmsc - 104电文的分析，比较了rtk电文type18 19与type20 21的差别，指出分别使用这两电文实现rtk的利与弊。 |
| 8. | In order to attain high accuracy of gps satellite navigation , positioning and low cost in precision agriculture , it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture . it is presented a method of high accuracy positioning and measure based on gps oem board in this paper , and proved the feasibility of key technology with emulations and field tests
为了适应精准农业高精度、低成本的gps定位导航应用要求，本文通过对gps伪距和载波相位定位方法的研究，结合精准农业的实际情况，提出了基于gpsoem板的高精度定位与测量方法，并用仿真和田间试验验证了各关键技术的可行性。 |
