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Table 1 Experimental results based on three sets of satellite data

From: Fast GNSS satellite signal acquisition method based on multiple resamplings

Data

Data 1

Data 2

Data 3

Intermediate frequency (MHz)

4.1304

4.1304

9.548

Sampling frequency (MHz)

16.3676

16.3676

38.192

Initial resampling frequency f 1 (MHz)

8.2608

8.2608

19.096

Resampling step size (MHz)

3.273

3.273

7.638

Number of satellites acquired

   

 1 round PCPSA

5

7

6

 10 rounds PCPSA

8

9

9

 MR-PCPSA

8

9

9

Time cost (s)

   

 PCPSA

7.8

7.7

19.5

 MR-PCPSA

4.7

4.5

11.4

Improvement (%)

39.7

41.6

41.5