Global Positioning System Reference
In-Depth Information
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Time in 10 ms
FIGURE 12.11 Initial phase of C/A code versus time.
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Time in10 ms
FIGURE 12.12 Difference of initial phase of C/A code versus time.
between two adjacent initial C/A codes. The majority differences are close to a
constant value, and it is desirable to keep them. Figure 12.13 shows the sorted
difference values in ascending order. The horizontal axis simply represents the
index associated with the difference ranking order. The sorted results in the
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