International Journal of Navigation and Observation / 2015 / Article / Fig 6

Research Article

Enhancing Weak-Signal Carrier Phase Tracking in GNSS Receivers

Figure 6

The response of the PLL to phase and frequency steps of −0.4 rad and −1.2 rad/s, respectively.
(a) One instance of the PLL response
(b) The mean response calculated over 500 trials