A Novel Short-Medium Term Satellite Clock Error Prediction Algorithm Based on Modified Exponential Smoothing Method

Table 2

The statistical chart of above schemes (unit in ns.).

Scheme		No.	1	2	3	4	5	6	Avg	Std
S1	DES	RMSE	0.3363	0.2405	0.3225	0.2570	0.5088	0.8182	0.4139	0.2198
		Max	1.2321	0.1874	0.1672	0.5926	1.2149	2.1844
		Min	-1.4544	-0.5476	-0.7088	-0.5061	-0.7692	-1.5594
	TES	RMSE	0.4691	0.5258	0.8922	0.2881	0.5435	0.8214	0.5900	0.2267
		Max	1.1801	0.9491	1.7628	0.5479	1.0825	1.9872
		Min	-1.5104	-0.0705	0.0125	-0.5682	-0.9944	-1.7465
	GM	RMSE	0.3298	0.1253	0.2004	0.2509	0.4298	0.7968	0.3555	0.2404
		Max	1.5075	0.2875	0.4857	0.5229	1.0631	1.6884
		Min	-1.1804	-0.3155	-0.4108	-0.5805	-1.1460	-2.0537
S2	DES+GM	RMSE	0.3321	0.2401	0.3214	0.2562	0.5037	0.7996	0.4089	0.2131
		Max	1.2165	0.1887	0.1696	0.5897	0.7448	2.0719
		Min	-1.4703	-0.5475	-0.7061	-0.5134	-1.3902	-1.6737
	TES+GM	RMSE	0.4367	0.3113	0.7305	0.2843	0.4335	0.8007	0.4995	0.2164
		Max	1.0742	0.6572	1.5336	0.5605	0.7266	1.9872
		Min	-1.6213	-0.2455	-0.1339	-0.5561	-1.4685	-1.7465
S3	DES	RMSE	0.4001	1.0364	1.2312	0.3363	1.5164	0.7425	0.8772	0.4685
		Max	1.2322	0.1874	0.1963	1.1834	1.4221	2.1844
		Min	-1.4544	-2.0241	-2.4174	-0.0686	-2.1932	-2.4237
	DES+SW	RMSE	0.3171	0.5586	1.2093	0.2891	1.1880	0.7354	0.7163	0.4081
		Max	1.2328	0.1849	2.5172	1.0120	1.4221	2.0767
		Min	-1.4537	-1.1640	-1.4977	-0.6863	-2.9796	-2.4733
	DES+GM+SW	RMSE	0.2793	0.3996	0.7033	0.2548	1.0269	0.7376	0.5669	0.3058
		Max	1.1912	0.5105	1.7261	0.8462	0.7881	2.0767
		Min	-1.4963	-1.2359	-0.9158	-0.8081	-2.6918	-1.6754
	TES	RMSE	2.6601	7.2823	15.7942	3.3886	1.3800	0.7894	5.2158	5.6630
		Max	1.1801	15.6289	34.2391	0.0548	1.1644	2.2027
		Min	-6.0656	-0.0705	0.0125	-7.5281	-3.5282	-2.4249
	TES+SW	RMSE	1.4326	4.5575	6.4957	2.6798	1.2568	0.7520	2.8624	2.2443
		Max	4.2711	4.8356	10.1357	5.8127	1.4003	2.2027
		Min	-2.0166	-12.4834	-16.7888	-2.4607	-3.3671	-1.5969
	TES+GM+SW	RMSE	0.7098	3.0143	3.2632	1.7600	1.1082	0.6773	1.7555	1.4300
		Max	1.8674	4.3660	9.8627	3.3411	0.9642	1.5817
		Min	-1.8219	-7.9424	-0.8799	-2.4694	-3.6636	-2.8538
	GM	RMSE	0.2429	0.1440	0.2624	0.2692	0.7284	0.7310	0.3963	0.2621
		Max	1.5075	0.4878	0.4857	0.8203	2.2155	2.5908
		Min	-1.1804	-0.4490	-0.9562	-0.8304	-1.1460	-2.0537