Research Article

Development of Verification Device for Multitarget Radar Velocimeter Based on Echo Signal Simulation Technology

Table 2

Velocity simulation test results.

Set simulation velocity value (km/h)Theoretical frequency shift (Hz)Measurement of the frequency shift (Hz)Actual simulation velocity (km/h)Simulation velocity error (km/h)
Target 1Target 2Target 1Target 2Target 1Target 2

0 (Ref)0000000
-300-13412.08-13412.50-13412.90-300.01-300.02-0.01-0.02
-280-12517.94-12516.60-12517.00-279.97-279.980.030.02
-240-10729.66-10730.10-10730.10-240.01-240.03-0.01-0.03
-200-8941.38-8942.70-8943.20-200.03-200.04-0.03-0.04
-180-8047.25-8046.80-8046.40-179.99-179.980.010.02
-140-6258.97-6258.97-6258.50-139.95-139.990.050.01
-100-4470.69-4469.80-4469.80-99.98-99.980.020.02
-80-3576.55-3576.10-3575.70-79.99-79.980.010.02
-60-2682.42-2683.50-2683.80-50.03-50.03-0.03-0.03
-40-1788.28-1786.90-1787.80-39.97-39.990.030.01
-20-894.14-893.20-893.20-19.98-19.980.020.02
-10-447.07-448.10-448.40-10.02-10.03-0.02-0.03
-1-44.71-43.10-43.70-0.96-0.980.040.02
144.7143.3043.401.010.970.03-0.03
10447.07448.40448.1010.0310.02-0.030.02
20894.14893.20893.2019.9819.98-0.02-0.02
401788.281787.301789.6039.9840.030.020.03
602682.422683.302683.7060.0260.030.020.03
803576.553577.003578.3080.0180.04-0.010.04
1004470.694469.804492.9599.98100.05-0.020.05
1406258.976259.906260.30140.02140.030.020.03
1808047.258048.608046.80180.03179.990.03-0.01
2008941.388943.308942.30200.00200.020.000.02
24010729.6610730.6010731.40240.02240.040.020.04
28012517.9412518.4012519.70280.01280.040.010.04
30013412.0813412.7013410.70299.98299.97-0.02-0.03