VCH: A Velocity Measurement Method Combining HFM Signals

Table 1

Results under simulation environment 1.

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	19.8422	25.6843	19.9921	15	0.0395%	0%	0.789%	1.5785%	100%	100%
10	19.9205	25.8408	10.0249	15.0001	0.249%	0.000667%	0.3975%	0.796%	99.83229%	99.91625%
-5	19.9602	25.9202	5.0167	15.0001	0.334%	0.000667%	0.199%	0.399%	99.66499%	99.83292%
-20	20.1622	26.3242	-19.9803	15.0001	0.0985%	0.000667%	0.811%	1.621%	99.9178%	99.95887%
-10	20.0805	26.1608	-9.9749	15.0001	0.251%	0.000667%	0.4025%	0.804%	99.83437%	99.91708%
-5	20.0402	26.0803	-5.0041	15	0.082%	0%	0.201%	0.4015%	100%	100%