Global Positioning System Combined Navigation System for marine navigation
A combined navigation system integrates multiple navigation technologies to provide accurate and reliable position information. These systems typically combine satellite-based navigation (such as GPS, GLONASS, Galileo, or BeiDou), inertial navigation systems (INS), and sometimes other sensors like odometers or wheel encoders.
Here's a detailed breakdown of a combined navigation system's components and their roles:
Satellite-Based Navigation: Receives signals from satellites to determine the device's location. GPS is the most common system, but GLONASS, Galileo, and BeiDou are also used. These systems provide global coverage and are suitable for outdoor navigation.
Inertial Navigation Systems (INS): Utilizes accelerometers and gyroscopes to measure the device's acceleration and rotation rates, allowing it to calculate changes in position and orientation over time. INS is particularly useful in environments where satellite signals are blocked or degraded, such as tunnels or urban canyons.
Sensor Fusion Algorithms: Combines data from satellite navigation systems, INS, and other sensors to estimate the device's position, velocity, and orientation accurately. Sensor fusion algorithms integrate these disparate sources of data to compensate for each system's weaknesses and improve overall accuracy.
Additional Sensors: Depending on the application, combined navigation systems may include additional sensors like odometers (for measuring distance traveled) or wheel encoders (for measuring wheel rotations). These sensors can enhance accuracy, especially in scenarios with limited satellite visibility or high dynamics.
Kalman Filtering: Often used in combined navigation systems to optimize data fusion and improve position estimation. Kalman filters dynamically adjust the weighting of sensor inputs based on their reliability, resulting in more accurate navigation solutions.
Overall, combined navigation systems leverage the strengths of multiple technologies to provide robust and accurate positioning information across various environments and conditions. They are commonly used in automotive navigation, aviation, marine navigation, robotics, and other fields where precise location tracking is essential.
Completely independent of any particular environment or location, senses real-time velocity, position and attitude information in all three directions, as well as three-axis angular velocity and acceleration information of a moving object.
| serial number |
Performance Parameters |
unit (of measure) |
technical requirement |
| Fibre optic gyroscope indicators |
| 1 |
Zero-bias stability (10s, 1σ) |
(°)/h |
≤0.05 |
| 2 |
Zero bias repeatability (1σ) |
(°)/h |
≤0.05 |
| 3 |
Zero-bias stability at full temperature (100s, 1σ, -40~+60°C) |
(°)/h |
≤0.05 |
| 4 |
Scale factor non-linearity (1σ) |
ppm |
≤100 |
| 5 |
Scale factor asymmetry (1σ) |
ppm |
≤100 |
| 6 |
Scale factor repeatability |
ppm |
≤100 |
| 7 |
Measurement range |
(°)/s |
±300 |
| 8 |
Random walk factor |
(°) /h1 /2 |
≤0.005 |
| 9 |
bandwidths |
Hz |
≥400 |
| Accelerometer indicators |
| 10 |
Normal temperature bias stability
(10s, 1σ) |
mg |
≤0.1 |
| 11 |
Normal temperature bias repeatability |
mg |
≤0.1 |
| 12 |
Full Temperature Bias Stability
(100s, 1σ) |
mg |
≤0.2 |
| 13 |
Full temperature bias repeatability |
mg |
≤0.2 |
| 14 |
Scale factor non-linearity (1σ) |
ppm |
≤100 |
| 15 |
Scale factor repeatability (1σ) |
ppm |
≤100 |
| 16 |
range (of scales or measuring equipment) |
g |
±30 |
| Component Indicators |
| 17 |
start-up time |
min |
≤1 |
| 18 |
Initial alignment time |
min |
≤6 |
| 19 |
North-seeking accuracy (RMS) |
deg |
Single-antenna GNSS: ≤0.3,
Dual-antenna GNSS: ≤0.2/L, L is baseline length |
| 20 |
Horizontal attitude accuracy (static, RMS) |
deg |
≤0.02 |
| 21 |
Heading holding accuracy (RMS) |
deg |
Single antenna GNSS: ≤0.06, 1h
Dual-antenna GNSS: ≤0.2/L, L is baseline length |
| 22 |
Horizontal Attitude Holding Accuracy (RMS) |
deg |
GNSS effective: ≤0.1 |
| 23 |
physical interface |
- |
J30J-21ZKP |
| 24 |
Overall dimensions |
mm |
100×100×100 |
| 25 |
operating temperature |
ºC |
-40~+60 |
| 26 |
Storage temperature |
ºC |
-45~75 |
External dimensions
Nanjing Shinewave Technology Co., Ltd. is a company specializing in the research and development, production and sales of RF microwave antennas, active and passive components and subsystems. The company's product field covers a variety of microwave communication devices, including anti-jamming antennas, RF power amplifiers, T/R modules, VCO/DROs, microwave filters, duplexers, frequency sources, and related subsystems, which are widely used in mobile communications, radar, and other fields.
In order to meet the special needs and higher requirements of customers, in addition to standard products, we provide customized product development methods. We always provide the customers with fast and high-quality products and services.
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Over ten years' OEM/ODM experience.
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FAQ
Q1. Could I get a sample before bulk order?
Yes, we offer the sample for all models but charged.
Q2. What should I do if I don't know about frequency in my country?
Please feel free to contact us with your inquiry, we will find the frequency you need and offer help to your problems.
Q3. Do you accept OEM/ODM order?
Yes, we can customize the brand logo, colors, and frequencies.
Q4.Shipment Date
| Sample |
20 business days |
| ≤50 pcs |
60 business days |
| >50 pcs |
90 business days |
| >200 pcs |
Negotiate |
Q5: Delivery Date of the sample by DHL/FedEx
| USA/Canada/Europe/Asia |
3-5 days |
| Middle East/Latin American |
5-7 days |
| African |
3-7 days |
Audited Supplier 
A combined navigation system integrates multiple navigation technologies to provide accurate and reliable position information. These systems typically combine satellite-based navigation (such as GPS, GLONASS, Galileo, or BeiDou), inertial navigation systems (INS), and sometimes other sensors like odometers or wheel encoders.
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