Tech Blog
Visual positioning technology applied to surveying GNSS receivers
Visual positioning is the process of determining the position and orientation of a target in 3D space using image information acquired by a camera or other visual sensor. This is an essential function in applications such as navigation and extended realit
Nov 11, 2024
Differences between RTK and PPP
RTK (Real-Time Kinematic) and PPP (Precise Point Positioning) are two well-known technologies in GNSS positioning that have been developed over decades.
Oct 24, 2024
Analysis of Errors in GNSS Positioning
This article introduces errors in GNSS Positioning and how to reduce and eliminate them.
Sep 5, 2024
What is Satellite Orientation in GNSS?
This article will explore the definition, principles, methods for enhancing orientation accuracy, and applications of satellite orientation technology.
Jun 28, 2024
Differences and Applications of RINEX, RTCM, and NMEA
Global Navigation Satellite Systems (GNSS) serve as the cornerstone of modern navigation and positioning technology, with GNSS receivers being crucial components in converting satellite signals into useful information.
Jun 6, 2024
What’s single-beam bathmetry?
What’s single-beam bathmetry? Principle of single-beam echo sounder Composition of single-beam echo sounder
Apr 18, 2024
What is DOP in GNSS
To achieve high-precision positioning, it is essential to consider not only the accuracy of the satellite system itself but also the impact of factors such as the DOP values.
Jan 12, 2024
What is SLR and VLBI?
Satellite Laser Ranging (SLR) and Very-Long-Baseline Interferometry (VLBI) are modern geodetic techniques used for accurate measurement and positioning.
Dec 25, 2023
What is ITRF and ITRS?
Why are there people saying that "I am using WGS84 (ITRF96)"锛焅r What does the ITRF do? What is the relationship between ITRF and WGS84 coordinate system? So how to determine the epoch and frame of conventional RTK and TAP services?
Oct 25, 2023