Results 71 to 80 of about 17,936 (197)

Performance of PPP and PPP-RTK with new-generation GNSS constellations and signals

Satellite Navigation
The expansion of Global Navigation Satellite Systems (GNSS) and Regional Navigation Satellite Systems (RNSS), along with broadcasting of additional signals, offers more options for Precise Point Positioning (PPP). Utilizing a number of constellations and
Xiaohong Zhang, Yuhang Yang, Haochen Yang, Xiaodong Ren, Xiaojing Lin, Xuan Le, Xin Li   +6 more
doaj   +1 more source

PERFORMA METODE PRECISE POINT POSITIONING (PPP) DENGAN KOREKSI IONOSFER ORDE 1

Elipsoida : Jurnal Geodesi dan Geomatika, 2019
Global Positioning System (GPS) merupakan salah satu dari teknologi Global Navigational Satelite System (GNSS), yang digunakan untuk menentukan posisi yang dapat dimanfaatkan untuk kegiatan bernavigasi, pemantauan struktur bangunan, landslide, gempa bumi maupun tsunami.
Dadang Handoko, Nurrohmat Widjadjanti, Buldan Muslim   +2 more
openaire   +1 more source

Remote atomic clock synchronization via satellites and optical fibers [PDF]

, 2011
In the global network of institutions engaged with the realization of International Atomic Time (TAI), atomic clocks and time scales are compared by means of the Global Positioning System (GPS) and by employing telecommunication satellites for two-way ...
A. Filatov A., A. Saponov V., I. Kryuchkov V., S. Nefedov I., А. Сапонов В., А. Филатов А., И. Крючков В., С. Нефедов И.   +7 more
core   +3 more sources

PERFORMANCE ANALYSIS OF WEB-BASED RELATIVE AND PRECISE POINT POSITIONING TECHNIQUES WITH DIFFERENT SATELLITE VISIBILITY CONDITIONS [PDF]

, 2020
The Global Navigation Satellite System (GNSS) is used for precise positioning applications, such as surveying and geodesy. The aim of the present work is to evaluate the effectiveness of web-based relative positioning (RP) and precise point positioning ...
Albayrak, Müge, Erdoğan, Bahattin, Erkaya, Halil   +2 more
core   +4 more sources

Effectiveness of observation-domain sidereal filtering for GPS precise point positioning [PDF]

, 2015
Sidereal filtering is a technique used to reduce errors caused by multipath in the positioning of static receivers via the Global Positioning System (GPS).
Atkins, C, Ziebart, M
core   +1 more source

A method for scintillation characterization using geodetic receivers operating at 1 Hz [PDF]

, 2017
Ionospheric scintillation produces strong disruptive effects on global navigation satellite system (GNSS) signals, ranging from degrading performances to rendering these signals useless for accurate navigation. The current paper presents a novel approach
Aragón Ángel, Maria Angeles, González Casado, Guillermo, Juan Zornoza, José Miguel, Rovira Garcia, Adrià, Sanz Subirana, Jaume   +4 more
core   +2 more sources

Characterizing Power Consumption of Dual-Frequency GNSS of a Smartphone

, 2020
Location service is one of the most widely used features on a smartphone. More and more apps are built based on location services. As such, demand for accurate positioning is ever higher.
Karki, Bikram, Won, Myounggyu
core   +1 more source

BDS-PPP-B2b-Based Smartphone Precise Positioning Model Enhanced by Mixed-Frequency Data and Hybrid Weight Function

Applied Sciences
Compared to high-cost hardware-based Global Navigation Satellite System (GNSS) positioning techniques, smartphone-based precise positioning technology plays an important role in applications such as the Internet of Things (IoT). Since Google released the
Zhouzheng Gao, Zhixiong Wu, Shiyu Liu, Cheng Yang   +3 more
doaj   +1 more source

Impact and implementation of higher-order ionospheric effects on precise GNSS applications [PDF]

, 2017
High precision Global Navigation Satellite Systems (GNSS) positioning and time transfer require correcting signal delays, in particular higher-order ionospheric (I2+) terms.
Adeniyi, Banville, Bergeot, Bilitza, Bock, Boehm, Boehm, Brunner, Deng, Deng, Dow, Fritsche, Gulyaeva, Hadaś, Hernandez-Pajares, Hernández-Pajares, Hernández-Pajares, Hernández-Pajares, Hernández-Pajares, Hernández-Pajares, Hoque, Jakowski, Jiang, Joshua, Kedar, Liu, Lutz, Odijk, Orús-Pérez, Orús-Pérez, Paziewski, Paziewski, Paziewski, Petrie, Petrie, Prange, Saastamoinen, Thébault, Zus   +38 more
core   +2 more sources

A Smart Realtime Service to Broadcast the Precise Orbits of GPS Satellite and Its Performance on Precise Point Positioning

Sensors, 2020
At present, Global Position System (GPS) navigation ephemeris mainly broadcasts satellite orbits with meter-level precision for standard point positioning and precise relative positioning. With the rapid development of real-time precise point positioning
Dehai Li, Wei Yan, Jinzhong Mi, Yamin Dang, Yunbin Yuan, Xingli Gan   +5 more
doaj   +1 more source