Research Article

The Unbiased Characteristic of Doppler Frequency in GNSS Antenna Array Processing

Table 3

(a) Average phase error in simulation2

0 - 200ms200 – 400ms400 - 600ms600 – 800ms800 – 1000mstotal

3 taps0.242m/ 
96.960°
1.803m/ 
-159.035°
1.645m/ 
-156.356°
3.210m/ 
-83.518°
1.029m/ 
1.545°
1.593m/ 
-60.829°
5 taps0.108m/ 
68.139°
0.901m/ 
-160.019°
0.817m/ 
-158.376°
3.016m/ 
-91.127°
2.247m/ 
16.234°
1.408m/ 
-66.017°
7 taps0.126m/ 
32.475°
0.756m/ 
-159.938°
0.706m/ 
-158.293°
2.541m/ 
-94.550°
1.805m/ 
46.786°
1.179m/ 
-68.082°

(b) Standard deviation of phase in simulation2

0 - 200ms200 – 400ms400 - 600ms600 – 800ms800 – 1000mstotal

3 taps1.062m/ 
146.941°
0.407m/ 
0.609°
0.096m/ 
14.355°
0.455m/ 
19.584°
2.183m/ 
2.151°
1.593m/ 
119.025°
5 taps1.170m/ 
162.459°
0.260m/ 
0.723°
0.080m/ 
13.630°
0.629m/ 
134.521°
1.908m/ 
178.308°
1.478m/ 
142.145°
7 taps1.193m/ 
173.186°
0.227m/ 
0.711°
0.079m/ 
13.246°
0.552m/ 
34.942°
2.121m/ 
172.617°
1.403m/ 
141.533°