Power Transmission Tower Monitoring with Hydrostatic Leveling System: Measurement Refinement and Performance Evaluation

Table 3

Four schemes maximum, minimum, and average values of , , and RMS for S2.

Schemes	Time							RMS (Hz)
		Max	Min	Avg	Max	Min	Avg	Max	Min	Avg
A	0 : 00	0.959	0.686	0.914	0.997	0.937	0.972	2.527	0.252	1.424
	6 : 00	0.969	0.749	0.926	0.999	0.920	0.968	2.740	0.119	1.410
	12 : 00	0.926	0.674	0.833	0.996	0.943	0.975	2.923	0.348	1.675
	18 : 00	0.925	0.686	0.869	0.997	0.966	0.983	2.009	0.164	1.212
B	0 : 00	0.860	0.704	0.793	1.000	0.958	0.985	0.388	0.096	0.225
	6 : 00	0.879	0.682	0.803	0.999	0.907	0.980	0.481	0.114	0.209
	12 : 00	0.936	0.632	0.758	0.999	0.933	0.980	0.877	0.175	0.469
	18 : 00	0.886	0.679	0.788	0.999	0.955	0.985	0.501	0.161	0.315
C	0 : 00	0.898	0.698	0.802	0.996	0.953	0.986	0.378	0.172	0.309
	6 : 00	0.908	0.659	0.802	0.998	0.936	0.981	0.697	0.188	0.358
	12 : 00	0.915	0.698	0.767	0.992	0.943	0.980	0.831	0.398	0.608
	18 : 00	0.878	0.747	0.797	0.997	0.973	0.987	0.846	0.282	0.444
D	0 : 00	0.898	0.869	0.884	0.983	0.919	0.951	2.207	1.346	1.777
	6 : 00	0.911	0.901	0.906	0.982	0.898	0.940	2.514	1.260	1.887
	12 : 00	0.840	0.796	0.818	0.989	0.935	0.962	2.756	1.362	2.059
	18 : 00	0.867	0.827	0.847	0.989	0.970	0.979	1.661	1.123	1.392