点号	SBAS		BP			GA-BP			GM(1,1)
点号	SBAS	预测值	AE	RMSE	预测值	AE	RMSE	预测值	AE	RMSE
3	−13.91	−13.18	−0.73	0.6193	−13.96	0.05	0.4134	−17.05	3.14	1.7862
3	−14.21	−14.27	0.06	0.6193	−14.49	0.28	0.4134	−17.20	2.99	1.7862
	−15.01	−14.59	−0.42		−13.91	−1.10		−17.36	2.35
	−15.11	−14.36	−0.75		−15.75	0.64		−17.51	2.40
	−16.31	−14.71	−1.60		−16.22	−0.09		−17.66	1.35
4	−44.51	−41.88	−2.63	1.68	−44.41	−0.10	0.3244	−58.15	13.64	11.0684
	−44.91	−45.91	1.00		−45.47	0.56		−59.42	14.51
	−44.41	−46.31	1.90		−45.25	0.84		−60.72	16.31
	−45.71	−44.49	−1.22		−45.65	−0.06		−62.05	16.34
	−46.21	−50.11	3.90		−46.07	−0.14		−63.40	17.19
5	−34.11	−34.09	−0.02	0.6776	−34.07	−0.04	0.5055	−48.83	14.72	12.9555
	−32.51	−33.87	1.36		−32.91	0.40		−49.55	17.04
	−32.51	−33.93	1.42		−33.97	1.46		−50.27	17.76
	−31.31	−32.14	0.83		−30.81	−0.50		−51.00	19.69
	−30.11	−30.30	0.19		−30.22	0.11		−51.75	21.64