Signal Analog Device
Signal Analog DeviceNS series satellite Signal analog device is based on CPCI structure, can achieve GPS, GLONASS, BD1 navigation system satellite signal hybrid simulation, with features as below: Satellite constellation hybrid simulation: It can achieve the hybrid simulation, such as GPS, GLONASS, BD1 satellite constellation channel, Satellite clock error, Range delay, Ionosphere height error, Tropospheric error, Epipolar relation, Relativistic effect, The earth ground parameters etc. It can generate GPS constellation (32 varioles), GLONASS constellation(24 varioles), BD1(36 wave beams) and Mixed constellation’s satellite channels, Navigation messages and Observed datum. Path simulating: With mode of static and dynamic, it can simulate the move characters of static carrier and dynamic carrier, to generate the user movement trails. Environment simulating: It can simulate the influence of navigation signal’s multi error source to navigation signal when transmit in the atmosphere. Man-machine interaction: It is convenient to configure the simulating time by Man-machine interaction, Static carrier trajectory, also it can guide data from the outside dynamic carrier trajectory document; Satellite state and user state will be shown, All working state(normal or pulse) can be controlled at any time, adjust signal strength.Parameters Index:ModelNS300NS340NS341Channel NumberGPS 16ChannelsEach BD2 B1, B3 frequency point per 12 channelsGPS 12ChannelsGLONASS 8ChannelsBD1 6ChannelsEach BD2 B1, B3 frequency point per 8 channelsOutput FrequencyGPS L1Wave Band 1575.42±3MHzBD2 B1 frequency point I branch1575.42±5MHzBD2 B3 frequency point I branch1268.52±22MHzGPS L1Wave Band 1575.42±3MHzGLONASS L1 Wave Band (1602±K*0.5625±2)MHz (K=-7~+6)BD2 B1 frequency point I branch1575.42±5MHzBD1 I Branch 2491.75±5MHzBD2 B3 frequency point I branch1268.52±22MHzSignal DynamicMaximum speed ±20,000m/sMaximum acceleration ±3600m/s2Maximum Jerk ±5000m/s3Radio frequency signal levelAdjustment range -60dBm~-120dBmAdjusted step 0.5dBmUsing environmentStorage temperature -20℃~45℃Working temperature 5℃~35℃Altitude <4500mRelative humidity <75% (+15hours)
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