Enhancing Short-Term Prediction of BDS-3 Satellite Clock Bias Based with BSO Optimized BP Neural Network

Figure 11

The residual plot of three satellites using 12 hours data to forecast 1 hour: (a) the residual value of C01 forecast 1 hour; (b) the residual value of C23 forecast 1 hour; (c) the residual value of C27 forecast 1 hour.