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Satellite Integrated Navigation System
BTSTC-70S integrated navigation system is based on three-axis
high-precision fiber optic gyroscope, quartz flexible accelerometer
and high-
precision satellite positioning device. It can realize
high-precision measurement of attitude, velocity and position of
moving carrier.
Composition
♦ 70 three-axis integrated fiber optic gyroscope
♦ Quartz flexible acceleration
♦ IF conversion circuit, navigation computer
♦ Satellite navigation receiver
♦ Satellite signal receiving antenna
♦ Interface board
♦ Power supply
♦ 2 GNSS measurement antennas and connecting wires
Technical specifications
Measuring range | Range of heading angle | 0° ~ 360° |
Pitch angle range | ±90° | |
Roll angle range | ±180° | |
Range of angular velocity measure- ment | ±500°/s | |
Acceleration measurement range | ±20g | |
Alignment time | GNSS orientation is effective | ≤1min |
GNSS orientation is invalid | ≤5min | |
Self-alignment accuracy | Course angle alignment accuracy | ≤ 0.1 ° * sec (Lat) (1σ, Lat local latitude) |
Attitude angle alignment | ≤0.01°(1σ) | |
Alignment accuracy of integrated navigation | Course angle alignment accuracy | ≤ 0.1 ° (1σ,baseline length ≥ 2 m) |
Attitude angle alignment | ≤0.02°(1σ) | |
Pure inertial navigation accura- cy, 1H | Position accuracy | ≤2nmile/h(CEP) |
Velocity accuracy | ≤1.2m/s(RMS) | |
Course angle maintenance | ≤0.02°(1σ) | |
Attitude angle maintenance | ≤0.01°(1σ) | |
Integrated navigation accuracy | Single point positioning | Level ≤ 3m, elevation ≤ 5m (RMS) |
RTK auxiliary positioning accuracy | Level ≤ 2cm, elevation ≤ 5 cm (RMS) | |
Velocity accuracy | ≤0.03m/s(RMS ,PDOP≤4) | |
Course angle accuracy | ≤0.03°(1σ) | |
Attitude accuracy | ≤0.01°(1σ) | |
Gyroscope performance | Zero bias stability | ≤ 0.05 °/H (1σ, 10s smooth) |
Zero bias stability | ≤ 0.015 °/H (1σ, 100s smoothing) | |
Zero-bias repeatability | ≤0.015°/h(1σ) |
Accelerometer performance | Zero bias stability | ≤ 0.15 mg (1σ, 10s smooth) |
Zero bias stability | ≤ 0.05mg (1σ, 100s smoothing) | |
Zero-bias repeatability | ≤0.05mg(1σ) | |
Other indicators | Power supply | 12V-36VDC |
Power consumption | Steady-state power consumption ≤ 20W, Tran- sient power consumption ≤ 40W | |
Weight | ≤3kg | |
Overall dimensions | 150mm × 150mm × 120mm | |
Installation dimensions | 137mm×137mm(4×φ6.5mm) | |
Number of antennas | Two GNSS antennas |
About us
Beijing Telecompass Space Technology Co., Ltd. (BTSTC) is one of
the leading comprehensive suppliers in the field of space industry
with aerospace electronic products, TT&C system solutions and
Micro-Nano Satellite solutions, including aerospace components,
aircraft & ground electronic terminals, optical terminals and
related test equipment.
BTSTC is committed to providing customers with one-stop services
from R&D, production to testing and delivery, the Company
maintains a deep understanding of the technologies and applications
of wireless data chain products, has undertaken a number of
national pre-research topics and model tasks, while providing
overseas customers with high reliability products and professional
support services. Its products are widely used in aerospace,
defense, industry, intelligent manufacturing and other sectors.
In the field of aerospace applications, measurement and control
transponders, high-speed data transmitters and other equipment
developed by BTSTC have participated in a number of major
state-level projects led by China Aerospace Science and Technology
Corporation, China Aerospace Science & Industry Corporation,
etc., and the Company has accumulated a wealth of practical
engineering experience, enhanced the maturity of products. In the
field of military defense, the wireless communication products
provided by BTSTC provide security for highly classified projects
such as single pawn data communication, command and location
information perception in a complex ground environment. In the
field of industrial technology, navigation receivers based on civil
navigation satellites have been widely used and recognized in
professional fields such as national road traffic management,
railway intelligent transportation, precision agriculture,
geographical mapping and shipping.
We have established long-term partnerships with a number of
aerospace companies from Asia, Europe and South America in recent
years, our export products have been highly recognized by
customers, and they are applied in important space missions in
those countries. We are confident that BTSTC is your trustworthy
integrated supplier of aerospace products and we look forward to
working with you to create a better future.