1. What is High Precision GNSS? And What s It Used For?
High Precision GNSS Receivers
Ideal for structural health monitoring (SHM), deformation analysis, and disaster assessment, smart cities integration, geological disaster monitoring
TN531: 4G GNSS Receiver
Multi-high precision GNSS and RTK, 6-axis IMU sensor built-in, 2-RS232(1-Debug), 1-RS485, 1-Pulse Input
About GNSS Receiver
A high-precision GNSS receiver is a specialized device that utilizes signals from multiple GNSS (Global Navigation Satellite System) satellites to accurately determine an exact location, often within a few centimetres or even millimetres.
Key Features:
1. Multi-constellation Support:
Receives signals from various GNSS systems (e.g., GPS, GLONASS, Galileo, BeiDou).
2. Advanced Processing Techniques:
Use Differential GNSS (DGNSS) or Real-Time Kinematic (RTK) positioning for enhanced accuracy.
3. High Update Rates:
Provides frequent position updates, useful for dynamic applications.
Uses:
1. Surveying: For precise land surveys, boundary delineation, and topographic mapping.
2. Construction: To ensure accurate positioning of structures and infrastructure.
3. Agricultural Applications: In precision farming for planting, fertilizing, and harvesting.
4. Transportation: Enhancing navigation and routing for vehicles and vessels.
5. Geological Research: Monitoring tectonic movements, earthquakes, and land subsidence.
6. Structural Health Monitoring: Tracking the stability and integrity of buildings, bridges, and dams.
These receivers are essential in fields where accuracy is crucial!
Key Features:
1. Multi-constellation Support:
Receives signals from various GNSS systems (e.g., GPS, GLONASS, Galileo, BeiDou).
2. Advanced Processing Techniques:
Use Differential GNSS (DGNSS) or Real-Time Kinematic (RTK) positioning for enhanced accuracy.
3. High Update Rates:
Provides frequent position updates, useful for dynamic applications.
Uses:
1. Surveying: For precise land surveys, boundary delineation, and topographic mapping.
2. Construction: To ensure accurate positioning of structures and infrastructure.
3. Agricultural Applications: In precision farming for planting, fertilizing, and harvesting.
4. Transportation: Enhancing navigation and routing for vehicles and vessels.
5. Geological Research: Monitoring tectonic movements, earthquakes, and land subsidence.
6. Structural Health Monitoring: Tracking the stability and integrity of buildings, bridges, and dams.
These receivers are essential in fields where accuracy is crucial!
3. How Does GNSS Receiver Work?
A high precision GNSS receiver works by utilizing signals from multiple satellites to calculate an accurate position. Here’s a simplified breakdown of how it functions:
1. Satellite Signals
Signal Transmission: GNSS satellites continuously transmit signals containing their location and precise timing information.
2. Signal Reception
Multiple Satellites: The receiver picks up signals from at least four satellites (the more, the better for accuracy). Time Delay Calculation: It calculates how long it took for the signals to reach it, allowing it to determine the distance to each satellite.
3. Triangulation
Position Calculation: By knowing the distance from several satellites, the receiver uses trilateration to pinpoint its exact location in three-dimensional space (latitude, longitude, altitude).
4. Correction Methods
Differential GNSS (DGNSS): Involves a fixed base station that transmits correction signals to improve accuracy by compensating for atmospheric errors, satellite clock errors, and more.
Real-Time Kinematic (RTK): Provides centimeter-level accuracy by using the phase of the carrier signal from GNSS satellites rather than just the code.
5. Post-Processing
Data Analysis: In some uses, the data is collected and processed later to further enhance accuracy and correct any discrepancies.
6. Output Data
Position Information: The receiver outputs precise coordinates that can be used in various applications like mapping, surveying, or monitoring.
Key Considerations for High Precision:
1. Multi-constellation Use:
Leveraging signals from GPS, GLONASS, Galileo, and BeiDou increases reliability and accuracy.
2. Environment Factors:
The receiver must be used in conditions that minimize signal blockage or multipath effects (reflective surfaces causing errors).
This combination of advanced technology and processing techniques allows high precision GNSS receivers to provide highly accurate positioning data! 🚀✨
1. Satellite Signals
Signal Transmission: GNSS satellites continuously transmit signals containing their location and precise timing information.
2. Signal Reception
Multiple Satellites: The receiver picks up signals from at least four satellites (the more, the better for accuracy). Time Delay Calculation: It calculates how long it took for the signals to reach it, allowing it to determine the distance to each satellite.
3. Triangulation
Position Calculation: By knowing the distance from several satellites, the receiver uses trilateration to pinpoint its exact location in three-dimensional space (latitude, longitude, altitude).
4. Correction Methods
Differential GNSS (DGNSS): Involves a fixed base station that transmits correction signals to improve accuracy by compensating for atmospheric errors, satellite clock errors, and more.
Real-Time Kinematic (RTK): Provides centimeter-level accuracy by using the phase of the carrier signal from GNSS satellites rather than just the code.
5. Post-Processing
Data Analysis: In some uses, the data is collected and processed later to further enhance accuracy and correct any discrepancies.
6. Output Data
Position Information: The receiver outputs precise coordinates that can be used in various applications like mapping, surveying, or monitoring.
Key Considerations for High Precision:
1. Multi-constellation Use:
Leveraging signals from GPS, GLONASS, Galileo, and BeiDou increases reliability and accuracy.
2. Environment Factors:
The receiver must be used in conditions that minimize signal blockage or multipath effects (reflective surfaces causing errors).
This combination of advanced technology and processing techniques allows high precision GNSS receivers to provide highly accurate positioning data! 🚀✨
2. What Is Bivocom 4G GNSS Receivers Used For?
The Bivocom high precision GNSS receiver is especially useful in applications like geological disaster and structural health monitoring due to its robust features. Here's how its specifications apply to these fields:
Features Relevant to Geological Disaster and Structural Health Monitoring:
1. RS232 and RS485 Interfaces:
Data Communication: These ports allow for easy integration with various monitoring sensors, enabling real-time data transmission.
Connectivity: Supports communication with existing infrastructure and systems used in monitoring.
2. Pulse Input:
Event Triggering: Can capture specific events (like tremors or structural shifts), which is crucial for immediate analysis and response.
3. High Precision GNSS with RTK:
Accurate Positioning: Essential for tracking movement in geological structures (like fault lines) and monitoring any shifts or deformations in structures (like bridges and buildings).
Real-time Data: Provides ongoing data that can be crucial during and after geological events, helping to assess damage and risks.
4. 6-axis IMU:
Enhanced Measurement Accuracy: Compensates for vibrations or movement, ensuring reliable data for structural integrity assessments.
5. Built-in 4G:
Remote Monitoring: Facilitates remote data access, which is crucial for timely responses in disaster scenarios.
Typical Applications:
1. Landslide Monitoring: Real-time data can help predict landslides and notify authorities.
2. Earthquake Monitoring: Tracks ground movement and helps assess risk in real time.
3. Building and Bridge Monitoring: Continuously assesses structural integrity, detecting potential issues before they become critical.
3. Flood Monitoring: Helps account for land shift and structure response to flooding.
The Bivocom GNSS receiver is a powerful tool for enhancing safety and preemptively addressing issues in these critical areas!
Features Relevant to Geological Disaster and Structural Health Monitoring:
1. RS232 and RS485 Interfaces:
Data Communication: These ports allow for easy integration with various monitoring sensors, enabling real-time data transmission.
Connectivity: Supports communication with existing infrastructure and systems used in monitoring.
2. Pulse Input:
Event Triggering: Can capture specific events (like tremors or structural shifts), which is crucial for immediate analysis and response.
3. High Precision GNSS with RTK:
Accurate Positioning: Essential for tracking movement in geological structures (like fault lines) and monitoring any shifts or deformations in structures (like bridges and buildings).
Real-time Data: Provides ongoing data that can be crucial during and after geological events, helping to assess damage and risks.
4. 6-axis IMU:
Enhanced Measurement Accuracy: Compensates for vibrations or movement, ensuring reliable data for structural integrity assessments.
5. Built-in 4G:
Remote Monitoring: Facilitates remote data access, which is crucial for timely responses in disaster scenarios.
Typical Applications:
1. Landslide Monitoring: Real-time data can help predict landslides and notify authorities.
2. Earthquake Monitoring: Tracks ground movement and helps assess risk in real time.
3. Building and Bridge Monitoring: Continuously assesses structural integrity, detecting potential issues before they become critical.
3. Flood Monitoring: Helps account for land shift and structure response to flooding.
The Bivocom GNSS receiver is a powerful tool for enhancing safety and preemptively addressing issues in these critical areas!