Precise Point Positioning (PPP) is a global navigation satellite system (GNSS) positioning method that calculates very precise positions, with errors as small as a few centimeters under good conditions. PPP is a combination of several relatively sophisticated GNSS position refinement techniques that can be used with near-consumer-grade hardware ...

精密单点定位（Precise Point Position，PPP）就是非差方法中的优秀代表，1997年由美国喷气推进实验室（Jet Propulsion Laboratory，JPL）的Zumberge学者提出。 PPP最大的特点就是可以用单台接收机实现全球分米级的绝对定位。

2024年1月30日 · 精密单点定位（PPP，Precise Point Positioning）是一种高级的全球导航卫星系统（GNSS）定位技术，它能够提供非常高的定位精度。 在传统的 GNSS 定位 中，一般使用差分 定位 来提高精度，但 PPP 技术 则允许用户独立地进行高...

本文深入探讨了全球导航卫星系统（GNSS）的精密单点定位（PPP）技术，包括PPP的背景、基本算法、无电离层组合模型、UoFc模型和非差非组合模型的比较。 文章详细阐述了PPP中的模糊度固定方法，如FCB的估计和无电离层组合模糊度的恢复。 此外，还介绍了几个开源PPP软件和相关论文推荐，为初学者提供了宝贵的资源。 本文旨在对GNSS的PPP技术进行原理性总结。 并对PPP涉及的一些细节进行了详细的叙述，相当于一个综述性文章。 希望对初入GNSS的小白有 …

PPP 全称为 Precise Point Positioning， 精密单点定位 ，它是指利用单台接收机的载波相位观测值和伪距观测值以及 IGS 等组织提供的高精度的卫星星历及卫星钟差产品，对各类误差精确改正，进行高精度单点定位的方法。

5 天之前 · PPP uses the raw GPS measurements from a worldwide network of precisely fixed ground receivers to precisely calculate the actual orbits of all the satellites. "Ultra Rapid" orbits take about 90 minutes to be available. "Rapid" orbits take a day. The most accurate orbits ("Final") take around 14 days to determine.

PPP is a positioning technique that removes or models GNSS errors to provide a high level of position accuracy from a single receiver. A PPP solution depends on a set of corrections generated from a network of global reference stations. Once the corrections are calculated, they are delivered to the end-user via satellite or over the Internet.

2023年12月20日 · PPP（Precise Point Positioning）技术是一种高精度的全球导航卫星系统（GNSS）定位技术，它是一种广域的部署方案，通过CPF解算卫星误差并传输给接收机做校正，允许用户实现毫米级的三维位置精度，而无需依赖差分基站。

The convenience of these RTNs has contributed substantially to the extraordinary expansion of relatively high accuracy GPS applications that rely on differential processing. However, there is an alternative in both real-time and post-processed work. It …

Precise point positioning (PPP) stands out as an optimal approach for providing standalone static and kinematic geodetic point positioning solutions using all the available GNSS constellations. Combining precise satellite orbits and clocks with un-differenced, dual-frequency, pseudo-range and carrier-phase observables, PPP is able to provide ...

精密单点定位技术（precise point positioning，PPP）采用单台GNSS接收机，利用国际GNSS服务组织（International GNSS Service，IGS）提供的精密星历和卫星钟差，基于载波相位观测值可实现毫米至分米级高精度定位。

2020年4月13日 · 实时和后处理定位都有可替代的方法，它被称为精密单点定位（Precise Point Positioning，PPP)。 单台接收机同时观测至少四颗卫星，这种单点定位是种实时解决方案。

Precise Point Positioning (PPP) is a global precise positioning service using all the available GNSS constellations. PPP requires the availability of precise reference satellite orbit and clock products using a network of GNSS reference stations distributed worldwide.

2020年12月15日 · Precise point positioning (PPP) is a modeling and processing method that uses global navigation satellite system (GNSS) pseudorange and carrier-phase observations, along with precise satellite orbit and clock products, for single-receiver static or kinematic positioning with centimeter precision.

2025年2月25日 · Precise Point Positioning (PPP) relies on the availability of precise GNSS satellite orbits and clocks. This is fundamentally different from positioning with respect to a local base station or network with RTK.

2023年4月24日 · PPP全称为 Precise Point Positioning ，指精密单点定位。它是指服务端利用全球或区域基准站点，对卫星轨道、钟差、电离层延迟等进行实时估计，通过网络或卫星直接播发给终端用户，用户端利用单台GNSS接收机便可实现全球高精度绝对定位的技术。

Precise point positioning (PPP) stands out as an optimal approach for providing centimeter-level error positioning using current and coming GNSS constellations. The Precise Point Positioning (PPP) processes measurements from a single user receiver, using detailed physical models and corrections, and precise GNSS orbit and clock products ...

What is Precise Point Positioning (PPP)? PPP is a positioning technique that removes or models GNSS system errors to provide a high level of position accuracy from a single receiver. A PPP solution depends on GNSS satellite clock and orbit corrections, generated from a network of global reference stations.

可以计算gps、bds、gal、glo等多频多系统spp+ppp，可以选择不同的电离层模型、对流层模型及解算星历。 GNSS 之RTK双差定位与 PPP 精密 单点定位 qq_45767140的博客

2025年2月25日 · Psychas D, Khodabandeh A, and Teunissen PJG Impact and mitigation of neglecting PPP-RTK correctional uncertainty GPS Solut 2021 26 1 33. Digital Library. Google Scholar [36] Psychas D, Khodabandeh A, ... Precise point positioning (PPP) can be significantly improved with the multi- multi-GNSS constellation, but it still takes more than 10 min to ...