OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Geodesy is 7. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
The CODE ambiguity-fixed clock and phase bias analysis products: generation, properties, and performance	90
ITRF2020: an augmented reference frame refining the modeling of nonlinear station motions	88
Colorado geoid computation experiment: overview and summary	47
Precipitable water vapor fusion based on a generalized regression neural network	47
Multi-GNSS PPP/INS tightly coupled integration with atmospheric augmentation and its application in urban vehicle navigation	46
GNSS observable-specific phase biases for all-frequency PPP ambiguity resolution	44
Strategy for the realisation of the International Height Reference System (IHRS)	42
Sentinel-6A precise orbit determination using a combined GPS/Galileo receiver	40
Resilient observation models for seafloor geodetic positioning	36
Improving PPP–RTK in urban environment by tightly coupled integration of GNSS and INS	36
Integer-estimable FDMA model as an enabler of GLONASS PPP-RTK	34
Status of the International Gravity Reference System and Frame	31
Atmospheric pressure loading in GPS positions: dependency on GPS processing methods and effect on assessment of seasonal deformation in the contiguous USA and Alaska	28
A Geoid Slope Validation Survey (2017) in the rugged terrain of Colorado, USA	27
Single-station PPP-RTK: correction latency and ambiguity resolution performance	27
Robust estimation of spatially varying common-mode components in GPS time-series	26
A hybrid approach for recovering high-resolution temporal gravity fields from satellite laser ranging	26
Refining the empirical global pressure and temperature model with the ERA5 reanalysis and radiosonde data	25
Simplified algebraic estimation for the quality control of DIA estimator	24
Orbit determination, clock estimation and performance evaluation of BDS-3 PPP-B2b service	23
An uncombined triple-frequency user implementation of the decoupled clock model for PPP-AR	23
Reference system origin and scale realization within the future GNSS constellation “Kepler”	23
A composite stochastic model considering the terrain topography for real-time GNSS monitoring in canyon environments	22
BDS-3 precise orbit and clock solution at Wuhan University: status and improvement	22
The permanent tide and the International Height Reference Frame IHRF	22

Regularized reconstruction of peak ground velocity and acceleration from very high-rate GNSS precise point positioning with applications to the 2013 Lushan Mw6.6 earthquake	20
Real-time wide-area precise tropospheric corrections (WAPTCs) jointly using GNSS and NWP forecasts for China	19
A novel spatial filter to reduce north–south striping noise in GRACE spherical harmonic coefficients	19
Modelling and prediction of GNSS time series using GBDT, LSTM and SVM machine learning approaches	18
The results of 10th International Comparison of Absolute Gravimeters (ICAG-2017)	18
Ambiguity resolution for smartphone GNSS precise positioning: effect factors and performance	18
Visualization of GNSS multipath effects and its potential application in IGS data processing	18
The Geodesist’s Handbook 2020	18
Integrity investigation of global ionospheric TEC maps for high-precision positioning	18
Contribution of GRAV-D airborne gravity to improvement of regional gravimetric geoid modelling in Colorado, USA	18
Calibrating receiver-type-dependent wide-lane uncalibrated phase delay biases for PPP integer ambiguity resolution	17
Gravity field mapping using laser-coupled quantum accelerometers in space	17
An analysis of multisource tropospheric hydrostatic delays and their implications for GPS/GLONASS PPP-based zenith tropospheric delay and height estimations	17
Real-time interpolation of global ionospheric maps by means of sparse representation	17
Tropospheric and range biases in Satellite Laser Ranging	17
Exploring potential applications of optical lattice clocks in a plate subduction zone	16
Influence of temporal resolution on the performance of global ionospheric maps	16
Analysis of vertical deflections determined from one cycle of simulated SWOT wide-swath altimeter data	16
Estimation of code observation-specific biases (OSBs) for the modernized multi-frequency and multi-GNSS signals: an undifferenced and uncombined approach	16
High-resolution geoid modeling using least squares modification of Stokes and Hotine formulas in Colorado	15
Comparison and evaluation of high-resolution marine gravity recovery via sea surface heights or sea surface slopes	15
Collocation and FFT-based geoid estimation within the Colorado 1 cm geoid experiment	15
Sub-daily polar motion from GPS, GLONASS, and Galileo	15
Estimating ambiguity fixed satellite orbit, integer clock and daily bias products for GPS L1/L2, L1/L5 and Galileo E1/E5a, E1/E5b signals	14
Specification of deformation congruence models using combinatorial iterative DIA testing procedure	14
The effect of function-based and voxel-based tropospheric tomography techniques on the GNSS positioning accuracy	13
A generalized Kalman filter with its precision in recursive form when the stochastic model is misspecified	13
Approach to leveraging real-time GNSS tomography usage	13
TropNet: a deep spatiotemporal neural network for tropospheric delay modeling and forecasting	13
3D-mapping-aided PPP-RTK aiming at deep urban canyons	13
Calibration and analysis of BDS receiver-dependent code biases	13
Forty-three years of absolute gravity observations of the Fennoscandian postglacial rebound in Finland	13
The effect of anomalous global lateral topographic density on the geoid-to-quasigeoid separation	12
Satellite antenna phase center errors: magnified threat to multi-frequency PPP ambiguity resolution	12
Ultra-short-term prediction of LOD using LSTM neural networks	12
Evaluation of comparisons of absolute gravimeters using correlated quantities: reprocessing and analyses of recent comparisons	12
Mitigating high latitude ionospheric scintillation effects on GNSS Precise Point Positioning exploiting 1-s scintillation indices	12
On the relation of GNSS phase center offsets and the terrestrial reference frame scale: a semi-analytical analysis	12
PPP rapid ambiguity resolution using Android GNSS raw measurements with a low-cost helical antenna	12
PPP-RTK: from common-view to all-in-view GNSS networks	12
Gravity field of a tesseroid by variable-order Gauss–Legendre quadrature	12
Observable quality assessment of broadband very long baseline interferometry system	11
A storm-time ionospheric TEC model with multichannel features by the spatiotemporal ConvLSTM network	11
On the satellite clock datum stability of RT-PPP product and its application in one-way timing and time synchronization	11
Combination and SLR validation of IGS Repro3 orbits for ITRF2020	11
Estimation of subcanopy topography based on single-baseline TanDEM-X InSAR data	11
Determination of the lunar body tide from global laser altimetry data	11
Ten years of Lake Taupō surface height estimates using the GNSS interferometric reflectometry	11
Calibration of a superconducting gravimeter with an absolute atom gravimeter	10
Android multi-GNSS ambiguity resolution in the case of receiver channel-dependent phase biases	10

Smartphone RTK positioning with multi-frequency and multi-constellation raw observations: GPS L1/L5, Galileo E1/E5a, BDS B1I/B1C/B2a	10
Fast approximation algorithm to noise components estimation in long-term GPS coordinate time series	10
Gravity field modelling for the Hannover 10 m atom interferometer	10
Parameterisation of the GNSS troposphere tomography domain with optimisation of the nodes’ distribution	10
Improving VLBI analysis by tropospheric ties in GNSS and VLBI integrated processing	10
Short-baseline interferometry local-tie experiments at the Onsala Space Observatory	10
Optimal VLBI baseline geometry for UT1-UTC Intensive observations	10
On the TEC bias of altimeter satellites	10
The Generalized Method of Wavelet Moments with eXogenous inputs: a fast approach for the analysis of GNSS position time series	10
Real-time precise orbit and clock estimation of multi-GNSS satellites with undifferenced ambiguity resolution	10
Combining ERA5 data and CYGNSS observations for the joint retrieval of global significant wave height of ocean swell and wind wave: a deep convolutional neural network approach	10
Single-differenced models for GNSS-acoustic seafloor point positioning	10
Vectorial integer bootstrapping: flexible integer estimation with application to GNSS	9
Self-consistent determination of the Earth’s GM, geocenter motion and figure axis orientation	9
Best integer equivariant position estimation for multi-GNSS RTK: a multivariate normal and t-distributed performance comparison	9
PPP–RTK theory for varying transmitter frequencies with satellite and terrestrial positioning applications	9
GNSS best integer equivariant estimation using multivariant t-distribution: a case study for precise point positioning	9
A mean-squared-error condition for weighting ionospheric delays in GNSS baselines	9
The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry	9
How to quantify the accuracy of mass anomaly time-series based on GRACE data in the absence of knowledge about true signal?	9
Inclusion of GPS clock estimates for satellites Sentinel-3A/3B in DORIS geodetic solutions	9
The global land water storage data set release 2 (GLWS2.0) derived via assimilating GRACE and GRACE-FO data into a global hydrological model	9
Impact of offsets on assessing the low-frequency stochastic properties of geodetic time series	9
ON GLONASS pseudo-range inter-frequency bias solution with ionospheric delay modeling and the undifferenced uncombined PPP	9
Evaluation of methods for connecting InSAR to a terrestrial reference frame in the Latrobe Valley, Australia	9
A new hybrid observation GNSS tomography method combining the real and virtual inverted signals	8
The RTM harmonic correction revisited	8
Performance assessment of the relative gravimeter Scintrex CG-6	8
An improved tropospheric mapping function modeling method for space geodetic techniques	8
Extending the GPS IIIA antenna calibration for precise orbit determination of low Earth orbit satellites	8
GNSS satellite inter-frequency clock bias estimation and correction based on IGS clock datum: a unified model and result validation using BDS-2 and BDS-3 multi-frequency data	8
GNSS integer ambiguity posterior probability calculation with controllable accuracy	8
Midlatitude climatology of the ionospheric equivalent slab thickness over two solar cycles	8
Stochastic model reliability in GNSS baseline solution	8
Block PS-InSAR ground deformation estimation for large-scale areas based on network adjustment	8
Quantifying discrepancies in the three-dimensional seasonal variations between IGS station positions and load models	8
A novel ionospheric mapping function modeling at regional scale using empirical orthogonal functions and GNSS data	8
GNSS-based orbit determination method and flight performance for geostationary satellites	8
A robust estimation algorithm for the increasing breakdown point based on quasi-accurate detection and its application to parameter estimation of the GNSS crustal deformation model	8
Performance of Galileo satellite products determined from multi-frequency measurements	8
A simplified gravitational reference sensor for satellite geodesy	7
Multi-GNSS orbit combination at Wuhan University: strategy and preliminary products	7
VC-LAMBDA: a baseline vector constrained LAMBDA method for integer least-squares estimation	7
Fusion of GNSS and InSAR time series using the improved STRE model: applications to the San Francisco Bay Area and Southern California	7
Characterization and stabilization of the downward continuation problem for airborne gravity data	7
Modeling gravimetric signatures of third-degree ocean tides and their detection in superconducting gravimeter records	7
Modelling and mitigation of GNSS multipath effects by least-squares collocation considering spatial autocorrelation	7
Galileo precise orbit determination with optical two-way links (OTWL): a continuous wave laser ranging and time transfer concept	7
The variance inflation factor to account for correlations in likelihood ratio tests: deformation analysis with terrestrial laser scanners	7
Modeling ocean-induced rapid Earth rotation variations: an update	7
A sequential calibration approach based on the ensemble Kalman filter (C-EnKF) for forecasting total electron content (TEC)	7
GNSS PPP-RTK tightly coupled with low-cost visual-inertial odometry aiming at urban canyons	7
VLBI measurement of the vector baseline between geodetic antennas at Kokee Park Geophysical Observatory, Hawaii	7
First results using high-rate BDS-3 observations: retrospective real-time analysis of 2021 Mw 7.4 Madoi (Tibet) earthquake	7
A ubiquitous positioning solution of integrating GNSS with LiDAR odometry and 3D map for autonomous driving in urban environments	7
On the ~ 7 year periodic signal in length of day from a frequency domain stepwise regression method	7
Generating GPS decoupled clock products for precise point positioning with ambiguity resolution	7
Reprocessed precise science orbits and gravity field recovery for the entire GOCE mission	7
An enhanced retrieval of the wet tropospheric correction for Sentinel-3 using dynamic inputs from ERA5	7
Rapid source models of the 2021 Mw 7.4 Maduo, China, earthquake inferred from high-rate BDS3/2, GPS, Galileo and GLONASS observations	7
SBAS DFMC service for road transport: positioning and integrity monitoring with a new weighting model	7