
The attachment is the "Target Info." page for the radar sensor HLK-LD2410S. Customer has extracted the values of the green energy value curve as the following.
19.1 30.4 23.5 24.6 16.9 6 12 18.1 16.9 19.1 22.9 18.1 0 9.5 14
The below is the raw value collected from serial ports and the calculated energy value based on the formula 10*log10(raw) provided in the user manual. We can see the calculated value has significant discrepancy with the value of the energy value curve. We wonder why it is happen? Whether other scales have been added in the formula.
serial #1
F4 F3 F2 F1 46 00 01 00 00 00 00 00 60 09 00 00 34 08 00 00 4C 04 00 00 80 02 00 00 74 04 00 00 CE 05 00 00 CE 05 00 00 14 05 00 00 BF 01 00 00 DF 00 00 00 6B 04 00 00 C3 02 00 00 6E 08 00 00 42 09 00 00 14 05 00 00 F9 02 00 00 F8 F7 F6 F5
Raw (0→15): 2400, 2100, 1100, 640, 1140, 1486, 1486, 1300, 447, 223, 1131, 707, 2158, 2370, 1300, 761
10·log10(raw): 33.80, 33.22, 30.41, 28.06, 30.57, 31.48, 31.48, 31.14, 26.50, 23.49, 30.53, 28.50, 33.34, 33.75, 31.14, 28.81
serial #2
F4 F3 F2 F1 46 00 01 00 00 00 00 00 8C 23 00 00 7C 15 00 00 A4 0F 00 00 D1 02 00 00 4C 06 00 00 76 07 00 00 20 03 00 00 90 01 00 00 38 03 00 00 F0 04 00 00 CE 05 00 00 3C 01 00 00 D1 02 00 00 2C 01 00 00 D4 04 00 00 E8 07 00 00 F8 F7 F6 F5
Raw (0→15): 9100, 5500, 4004, 721, 1612, 1910, 800, 400, 824, 113, 721, 1248, 1486, 316, 721, 2004
10·log10(raw): 39.59, 37.40, 36.03, 28.58, 32.07, 32.81, 29.03, 26.02, 29.16, 20.53, 28.58, 31.96, 31.72, 24.99, 28.58, 33.02
serial #3
F4 F3 F2 F1 46 00 01 00 00 00 00 00 F4 33 00 00 90 1A 00 00 BB 07 00 00 7E 03 00 00 1D 06 00 00 BC 02 00 00 F3 05 00 00 F8 04 00 00 90 01 00 00 1A 02 00 00 35 02 00 00 F9 02 00 00 97 05 00 00 40 06 00 00 9C 01 00 00 BF 01 00 00 F8 F7 F6 F5
Raw (0→15): 13300, 6800, 1979, 894, 1565, 700, 1523, 1272, 1160, 400, 538, 629, 1529, 1600, 412, 447
10·log10(raw): 41.24, 38.33, 25.93, 29.65, 31.95, 28.45, 31.83, 31.04, 30.64, 26.02, 27.30, 27.99, 31.85, 32.04, 26.15, 26.50
serial #4
F4 F3 F2 F1 46 00 01 00 00 00 00 00 7C 60 00 00 00 32 00 00 65 13 00 00 4C 06 00 00 C3 02 00 00 64 00 00 00 17 05 00 00 E8 03 00 00 DD 03 00 00 B4 04 00 00 5E 04 00 00 8E 04 00 00 68 01 00 00 50 05 00 00 7E 03 00 00 64 00 00 00 F8 F7 F6 F5
Raw (0→15): 24700, 12800, 4965, 1612, 100, 1303, 1000, 1020, 1140, 1102, 1166, 360, 1360, 894, 100, 0
10·log10(raw): 43.92, 41.07, 36.96, 32.07, 20.00, 31.15, 30.00, 30.09, 30.57, 30.42, 30.67, 25.56, 31.33, 29.65, 20.00, -Inf
serial #5
F4 F3 F2 F1 46 00 01 00 00 00 00 00 48 3F 00 00 E0 15 00 00 59 11 00 00 70 05 00 00 56 07 00 00 35 04 00 00 D1 02 00 00 84 03 00 00 3C 01 00 00 F4 01 00 00 7E 03 00 00 F3 05 00 00 A8 01 00 00 80 02 00 00 F4 01 00 00 DF 00 00 00 F8 F7 F6 F5
Raw (0→15): 16200, 5600, 4441, 1392, 1878, 1077, 721, 900, 316, 500, 894, 1523, 424, 640, 500, 223
10·log10(raw): 42.10, 37.48, 36.47, 31.44, 32.74, 30.33, 28.58, 29.54, 24.99, 26.99, 29.65, 31.83, 26.27, 28.06, 26.99, 23.49