VCH: A Velocity Measurement Method Combining HFM Signals

Table 2

Results under simulation environment 2.

Speed (m/s)	Peak moment (s)		Speed measurement of VCH (m/s)	Ranging of VCH (km)	Speed measurement error of VCH	Ranging error of VCH	Ranging error of single signal		Range accuracy improvement ratio
							HFM1	HFM2	Compared to HFM1	Compared to HFM2
20	20.7103	22.1313	20.0007	14.9998	0.0035%	0.001333%	3.5515%	19.3435%	99.96246%	99.99311%
10	20.3577	22.5625	10.0059	14.9998	0.059%	0.000667%	1.7885%	17.1875%	99.96272%	99.99612%
-5	20.1792	22.7807	4.9978	14.9998	0.044%	0.000667%	0.896%	16.0965%	99.9256%	99.99586%
-20	19.2698	23.8913	-19.9885	14.9996	0.0075%	0.002667%	3.651%	10.5435%	99.92696%	99.97471%
-10	19.6378	23.4425	-9.9913	15	0.087%	0%	1.811%	12.7875%	100%	100%
-5	19.8188	23.2207	-5.0062	14.9997	0.124%	0.002%	0.906%	13.8965%	99.77925%	99.98561%