[Retracted] Research on Acquisition and Tracking Algorithm of Global Satellite Positioning Receiver Based on UWB

Table 1

Experimental parameter table.

Parameter	The numerical
Intermediate frequency	1.40 MHz
Sampling frequency	5.71 MHz
Doppler frequency offset	1000 Hz
Code phase	900
Coherent integration time	5 ms
Window function parameter	144
The sparse degree	4