CHCNAV i93 GNSS receiver RTK mobile station performance parameters and engineering application advantages are as follows

1. core performance parameters: leading technology, precise positioning

CHCNAV i93 GNSS Multi-System Compatible and High Frequency Support
Satellite system: CHCNAV i93 GNSS supports GPS, BDS (Beidou 3rd Generation), GLONASS, Galileo, QZSS, covers the global mainstream Navigation System, and is compatible with Beidou 3rd Generation full-band signals such as B1I/B2I/B3I/B1C/B2a/B2B.
Number of channels: CHCNAV i93 GNSS1408 channels, which can track multiple satellite signals at the same time to improve positioning stability in complex environments.
Initialization reliability: 99.99 percent, ensuring fast fixation and reducing the risk of signal loss.
High precision positioning and anti-interference ability
Rtk Accuracy: plane accuracy ±(8+1 × 10 VR×D) mm, elevation accuracy ±(15+1 × 10 VR×D) mm(D is the baseline distance), meeting the requirements of centimeter-level engineering.
Static accuracy: Plane ±(2.5+0.5 × 10-6 ×D)mm, elevation ±(5+0.5 × 10-6 ×D)mm, suitable for high-precision topographic survey.
Signal acquisition sensitivity: typical value-162dBm, weak signal environment can still be stable to capture the satellite, improve the availability of urban canyons, tunnels and other scenarios.
Anti-jamming technology: CHCNAV i93 GNSS has built-in narrowband interference suppression, which improves signal quality by more than 20% and reduces the impact of multipath effects.
IMU and Vision Measurement Fusion
IMU performance: CHCNAV i93 GNSS200Hz automatic tilt compensation, supports 0-60 ° tilt angle measurement, with an accuracy of <2.5cm within 30 °, without manual initialization, simplifying the operation process.
Visual measurement: Integrated dual cameras (2MP/5MP), support video photogrammetry, can obtain high-precision three-dimensional coordinates in batches, with a typical accuracy of 3cm and a measurement distance of 2-15 meters.
3D Modeling: Dynamic Panoramic Video Capture, Joint Modeling with UAV Data, Replacing Traditional Photography and Modelling Method, Efficiency Increase by 60%.
Hardware Configuration and Durability
CHCNAV i93 GNSS protection grade: IP68 waterproof and dustproof, suitable for harsh environment; IK08 anti-impact, anti -3 meters drop.
Operating temperature:-45°C to +75°C, storage temperature -55°C to +85°C, stable operation in extreme climates.
Battery life: built-in 9900mAh lithium battery, RTK mode battery life 20 hours, visual lofting mode 15 hours, support fast charging (1 hour to restore 30% power).
Interface expansion: support NFC, Bluetooth, Wi-Fi, 4G Netcom, UHF radio, compatible with mainstream communication protocols.

2. engineering application advantages: CHCNAV i93 GNSS efficiency improvement, comprehensive scene coverage

Efficient measurement of CHCNAV i93 GNSS in complex environment
Signal occlusion scene: Through video measurement technology, it can measure the points under the bridge, under the eaves and other traditional RTK difficult to reach, without offset method, simplifying the operation process.
Hazardous area measurement: use the panoramic video capture function to remotely obtain the coordinates of dangerous areas such as high-voltage poles and cliffs to ensure the safety of personnel.
Dynamic measurement: IMU tilt compensation supports in-motion measurement, which is suitable for dynamic scenes such as road slopes and pipeline laying, and the efficiency is improved by more than 50%.
Integrated solutions reduce field costs
No initialization design: Auto-IMU technology automatically completes tilt compensation, reduces on-site calibration time, and improves novice operation efficiency by 40%.
Data compatibility: CHCNAV i93 GNSS supports mainstream 3D modeling software (such as ContextCapture and Pix4D), and can directly import video measurement data to generate point cloud models to replace some aerial survey operations.
Cloud service support: CHCNAV i93 GNSS integrates the China Measurement Cloud platform to realize real-time data upload, sharing and collaborative editing, and improve the efficiency of internal and external collaboration.
Full scene coverage capability
Construction engineering: RTK accuracy and IMU stability guarantee construction quality in earthwork calculation, foundation settlement monitoring, building positioning and other scenarios.
Water conservancy project: in the measurement of water level, water depth and water flow speed, IP68 protection and long endurance support long-term underwater operation.
Mining survey: underground tunnels, open-pit mines and other signal blocking areas, video measurement and inertial guidance technology to achieve high-precision positioning in a GNSS-free environment.
Agricultural application: in farmland boundary mapping and agricultural machinery automatic navigation, centimeter-level accuracy improves operation efficiency and reduces resource waste.
Intelligent functions to enhance the user experience
AR real-life navigation: 3D arrows and distance prompts are displayed on the controller screen to guide users to quickly complete lofting tasks and reduce operation errors.
One-key fixed function: built-in CORS account, automatic connection to the reference station when starting up, simplifying the setting process, suitable for emergency measurement tasks.
Intelligent road editing: supports one-click generation of road cross-sectional maps by hand-book software to reduce data processing time in the industry.