Gns8220 Dual-Frequency Navigation Signal Simulator - Dual Frequency Point Analog Source - Gnss Signal Generator - Signal Simulator

Dual-frequency navigation signal simulator (GNS8220)

Keywords: dual-frequency differential, production, teaching

The GNS8220 dual-frequency simulator is a global satellite navigation system for dual-frequency differential user machine production line inspection, repeated testing and other applications. Dual frequency point analog source. GNS8220 dual-frequency simulator provides satellite navigation signal simulation for global satellite navigation system, supports BDS / GPS / GLONASS / Galileo signal simulation output composed of any two frequency points, with BDS constellation (RNSS 36), GPS constellation (32 ), GLONASS constellation (24 constellations), Galileo constellation (24 constellations) and their mixed constellation satellite navigation signal analog output capabilities, providing high stability standard 1PPS pulse signal and 10MHz clock signal output, which can meet all kinds of users dual frequency Application requirements for design and development of terminal equipment, production testing, teaching demonstration, routine testing, etc.

Functional characteristics
(1) Constellation simulation: able to complete satellite orbit simulation, satellite clock difference simulation, delay differential TGD simulation, etc.
(2) Trajectory simulation: with the ability to generate static and dynamic trajectories.
(3) Environmental simulation: ionospheric delay simulation, tropospheric delay simulation, ground atmospheric parameter simulation, etc.
(4) Simulation control: the ability to independently set the pseudorange and power of each channel, the ability to generate navigation messages for the constellation model, and the ability to set the parameters of the atmosphere and ionosphere models.
(5) Dual frequency point output: support signal simulation output of any two frequency points of four satellite navigation systems.

 Parameter index
(1) Output frequency Four systems can choose two frequency points.
(2) Signal size Number of channels: 12 channels per frequency point Number of multipaths: 1~8 channels per frequency point (multiplexing)
(3) Signal quality Phase noise: -75dBc/Hz 100 Hz; -80dBc/Hz 1k Hz; -85dBc/Hz 10k Hz;
6 -90dBc/Hz 100k Hz Harmonic power (MAX): -35dBc Clutter power (MAX): -40dBc
(4) Signal power Power range: -150dBm~-60dBm Power resolution: better than 0.2dB Power accuracy: better than 0.7dB
(5) External interface Reference 1PPS pulse signal (BNC type head): 1 input and output each Reference 10MHz clock signal (BNC type head): 1 input and output each RF Output port (N type head): 1
(6) clock stability second stability: ≤ 5×10-11 day stability: ≤ ±5×10-10
(7) external reference input 1PPS pulse signal: 1 way 10MHz clock signal: 1 channel
(8) standard reference output 1PPS pulse signal: 1 channel 10MHz clock signal: 1 channel
(9) output second pulse index output level: LVTTL rising edge stability: 0.1ns high Level duration: more than 20ms
(10) Working environment Working temperature: -10ºC- +55ºC Humidity: 10%~75% (22C), ≥90% (45ºC)
(11) Storage and transportation Shock: ≤9g/s Vibration: ≤0.1g/(10Hz~100Hz) Humidity: ≤98% Storage temperature: -45C~+75C
(12) Power supply AC voltage 200v-250v, Frequency (50±10) Hz, DC ripple ≤3% Automatic protection when power supply is abnormal