深圳市科瑞杰科技有限公司 華東辦事處
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深圳市科瑞杰科技有限公司 華東辦事處
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聯(lián)系我時(shí)，請告知來自 儀表網(wǎng)思博倫/Spirent GSS9000 GNSS模擬信號發(fā)生器To meet increasing demands for greater accuracy and performance, the Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator sets a new standard of excell......
To meet increasing demands for greater accuracy and performance, the Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator sets a new standard of excellence in GNSS RF Simulation for R&D and performance test.
The GSS9000 produces a comprehensive range of emulated multi-GNSS, multi-frequency RF signals with ultimate class-leading flexibility, coherence, fidelity, performance, accuracy and reliability.
The GSS9000 provides numerous benefits to all those working in high-end GNSS technology and application development. This includes comprehensive and feature-rich simulation and full control of all aspects of the GNSS operating environment, inherent repeatability and the ability to apply systematic errors and incidents that are impossible to realize using actual satellite signals.
In summary, it offers:
A GSS9000 system comprises a Spirent C50r Host running Spirent’s powerful simulation software SimGEN and a highly configurable RF signal generator able to meet all test needs.
Multiple chassis can be combined to form an integrated, coherent signal generator if more signals or outputs are required. A comprehensive range of system extensions allows users to tailor the system to their specific needs, today and in the future.
The GSS9000 supports an extensive range of constellation configurations, from GPS L1 through to multi-GNSS, multi-frequency systems including classified/restricted signals.
Configurations are available that support multi-antennas and multi-vehicles, for example: Differential-GNSS, attitude determination, interference/jamming and spoofing and Controlled Reception Pattern Antenna (CRPA) testing.
The GSS9000 generates all carriers, ranging codes and data streams for the GPS, GLONASS, Galileo and BeiDou GNSS systems, plus SBAS, QZSS, IRNSS and CAPS regional/augmentation systems. Additionally, data/messages for RTCM differential, GBAS/LAAS and A-GNSS are provided.
At the cutting-edge of GNSS R&D testing, high performance isn’t just desirable—it’s essential. For example, to test the true performance of a GNSS receiver under high dynamic motion, a high Simulation Iteration Rate (SIR), low latency, low phase noise and high pseudorange accuracy are essential.
Some of the GSS9000’s key performance attributes are:
120,000 m/s Relative Velocity
192,600 m/s2 Relative Acceleration
890,400 m/s3 Relative Jerk
The extensibility and flexibility of the GSS9000 allows a very large number of possible configurations, made possible by three key functions of the system
Increasingly, GNSS receivers and sensors do not operate in isolation. If development and verification testing of integrated systems is required then it is essential that other sensors are emulated and other signals are reproduced coherent with the GNSS signals.
The GSS9000 has been designed to operate with all of Spirent’s extensive range of options and system extensions. For example, inertial sensors can be emulated by SimINERTIAL. Wheel tick sensors and VSS signals are reproduced by SimAUTO. Noise and channel interference can be reproduced by the GSS7765. Spoofing vulnerability and resilience can be tested with Spirent’s SimSAFE.
Operational performance of an Integrated GPS/Inertial (IGI) system can be established in the laboratory using real-time emulation of the inertial sensor outputs along with a GSS9000 constellation simulator. All signals are coherently generated to exactly match the simulated vehicle trajectory. Typical inertial sensor performance can be represented by a sensor error model driven by the simulated motion, with appropriate coefficients entered by the user.
The GSS9000 series supports AES M-Code testing with SimMCODE and server-based Non-AES M-Code testing via an extension to SimMCODE.
Provides SA/A-S simulation for testing of SAASM equipment with Y code.
*Available to authorised users only (applies to some SimINTERIAL variants)
SimAUTO provides a turnkey solution to testing integrated vehicle navigation systems comprising GPS and Dead Reckoning (DR) sensors such as gyros or wheel ticks. SimAUTO allows parameters such as vehicle geometry and odometer pulse rate to be set and saved to a vehicle personality file for future use.
The GSS7765 offers a very broad range of interfering signal options, which may be used to represent a varied array of threat sources. The GSS7765 also supports noise generation with variable bandwidth and can be configured to support up to 4 fully independent interference sources.
SimREMOTE is an extremely powerful control and trajectory data interface with the following features:
The vulnerability of GNSS to spoofing attacks is a key consideration across many GNSS applications. SimSAFE is used with the GSS9000 to evaluate the vulnerability of a receiver under test to deliberate “spoofing” or “meaconing” attacks and to assess the effectiveness of mitigation techniques and strategies. SimSAFE can be used in R&D applications and in certification or vendor selection applications
The GSS9000 is designed for the real-world testing environment with a wide range of interfaces both analogue and digital. Low level RF outputs are supplemented by high level RF inputs and outputs for monitoring and signal injection purposes; a range of digital interfaces include IEEE-488, Ethernet, SCRAMNet+ and SCRAMNet GT; extensive timing, trigger and control access.
Key Signal Capabilities | ||||
| Constellation | Carrier | Standard Signal Types | Optional Signal Types | |
| GPS | L1 | C/A, L1c Data/Pilot, P, M Noise, Pseudo Y | Y*, AES-M* and Non-AES-M-Code via data server* | |
| L2 | L2c, P, Pseudo Y, M Noise | Y*, AES-M* and Non-AES-M-Code via data server* | ||
| L5 | I, Q | |||
| Galileo | E1 | PRS Noise, OS Data/Pilot | PRS* | |
| E6 | PRS Noise, CS Data/Pilot (without encryption) | PRS*, CS Data/Pilot (with encryption)* | ||
| E5ab | E5a Data/Pilot, E5b Data/Pilot | |||
| GLONASS | L1 | C/A, P (Chan No. -7 thru +6) | ||
| L2 | C/A, P (Chan No. -7 thru +6) | |||
| SBAS | L1 | C/A | ||
| L5 | I | |||
| BeiDou | B1 | B1I | ||
| B2 | As B1I | |||
| QZSS | L1 | SAIF, C/A, L1c | ||
| L2 | L2c | |||
| L5 | I, Q | |||
| Number of channels | A fully-populated chassis can support 160 channels with 640 multipath channels across 10 frequencies | |||
| Simulation control and scenario generation | The GSS9000 is controlled by SimGEN, Spirent’s class-leading simulation control and scenario generation software | |||
*Available to authorized users
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