VCH: A Velocity Measurement Method Combining HFM Signals

Table 3

Results under simulation environment 3.

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	19.1313	22.0517	20.1847	15.0058	0.9235%	0.038667%	4.3435%	19.7415%	99.10978%	99.80414%
10	19.563	22.523	10.0671	15.0022	0.671%	0.014667%	2.185%	17.385%	99.32876%	99.91564%
-5	19.7812	22.7607	5.1426	15.005	2.852%	0.033333%	1.094%	16.1965%	96.95308%	99.79419%
-20	20.8917	23.9732	-20.1019	14.9964	0.5095%	0.024%	4.4585%	10.134%	99.4617%	99.76317%
-10	20.443	23.4833	-10.016	14.9965	0.16%	0.003333%	2.215%	12.5835%	99.84951%	99.97351%
-5	20.2212	23.2405	-5	15.0064	0%	0.042667%	1.106%	13.7975%	96.14225%	99.69077%