nanoradar NRA15 Operation & User’s Manual

Figure 3 Radar PC test interface 4) Start to test. NRA15 radar antenna faces directly to the moving target, or there is relatively small movement between the sensor and the target. You can see the target indicator of the red triangle in the UI interface, and the target distance R. In Figure 5, the radial distance of the target from the radar is 6.03 meters (NRA15 could detect the target within 100 meters to ground). If no red triangle is indicated, it states that there is no target within the detectable distance ...

The NRA15 system status message format is shown in the following table. The start sequence (0xAAAA) and the termination sequence (0x5555) have been omitted from the table, where the value of RollCount is fixed to 0. Table 8 NRA15 system status message format Message ID 0x60A Signal Name Bit Resolution Interval Type Comment ACTL_Mode 0..6 1 0…127 u7 NR15 is fixed to 1 RollCount 8..9 1 0…3 u2 The cycle count is 0-1-2-3, and it change one time per cycle Rsvd1 10..11 1 - u2 - CfgStatus 12..15 1 - u4 NRA15 is fixed to 1 Rsvd2 15..63 1 - - 5.4 Targets ou ...

in the following table. Each data message contains a message ID to distinguish between different types of messages. Table 3 Format of data message Byte \ Bit 7 6 5 4 3 2 1 0 0 Start Sequence (2 x Uint8) 1 2 Message ID (2 x Uint8) 3 4 Data Payload (8 x Uint8 ) 5 6 7 8 9 10 11 12 End Sequence (2 x Uint8) 13 The start Sequence is a constant value 0xAAAA, and the Message ID is defined as follows. The Data Payload is defined according to the Message ID (see the next section). The End Sequence is set to 0x5555. Table 4 Def ...

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0x55 0x55 Description: Start Sequence Message ID Data Payload End Sequence Interpretation： Start Sequence = 0xAAAA Message ID = 0x0C + 0x07*0x100 = 0x70C Data Payload = 0x01 0xC8 0x07 0xD0 0x00 0x02 0xEE 0x96 End Sequence = 0x5555 Each field of Data Payload is parsed as following： Index = 1 Rcs = 0xC8*0.5 – 50 = 50 Range = (0x07*0x100 +0xD0)*0.01 = 20 Rsvd1 = 0 RollCount = (0x0 & 0xE0) >> 5 = 0 SNR = 0x96 – 127 = 23 Note: The user needs to program to parse the sensor output data (hexadecimal). The data before being parsed i ...

in the following table. Each data message contains a message ID to distinguish between different types of messages. Table 3 Format of data message Byte \ Bit 7 6 5 4 3 2 1 0 0 Start Sequence (2 x Uint8) 1 2 Message ID (2 x Uint8) 3 4 Data Payload (8 x Uint8 ) 5 6 7 8 9 10 11 12 End Sequence (2 x Uint8) 13 The start Sequence is a constant value 0xAAAA, and the Message ID is defined as follows. The Data Payload is defined according to the Message ID (see the next section). The End Sequence is set to 0x5555. Table 4 Def ...