SimCom SIM68R, Проектирование аппаратного обеспечения, Страница: 9 / 34

Smart Machine Smart Decision
2.1 SIM68R Functional Diagram
The following figure shows a functional diagram of the SIM68R and illustrates the main functional parts:
z The GNSS chip
z
SAW filter
z The antenna interface
z The communication interface
z The control signals
Figure 1: SIM68R functional diagram
2.2 GNSS
Performance
Table 1: GNSS performance
SIM68R_Hardware Design_V1.02
9
2013-01-22
Performance
Parameter Description
Min Type Max Unit
Horizontal Position
Accuracy
(1)
Autonomous <2.5 m
Without Aid 0.1 m/s Velocity
Accuracy(2)
DGPS 0.05 m/s
Without Aid 0.1
m/s
2
Acceleration
Accuracy
DGPS 0.05
m/s
2
Timing Accuracy 10
nS
Maximum Altitude 18000
m
Maximum Velocity 515
m/s
Dynamic
Performance
Maximum
Acceleration 4
G