SAStudio4_4.4.55.54
fix:
1. Fix the abnormal battery percentage issue in the PX series devices.

2. Fix the abnormal low battery time issue in the PX series devices.

3. Fixed the abnormal demodulation results for QAM16 and QAM64.

----------------------------------------------------------------------

API and Firmware (API 0.55.89, FPGA 0.55.104, MCU 0.55.104, USB 0.55.8, PMU 1.15, AGU 1.5, EIO 1.27)

fix:
1. Fixed an issue in SWP mode where, at 1 GHz with a very small span, enabling spurious rejection caused abnormal power fluctuations.

2. Fixed an issue in SWP mode where signals disappeared when Span was less than 100 kHz with spurious suppression enabled.