Design to use a single line of infrared detector getting the high of the vehicle. This design predigests the system greatly.
用单列的垂直摆放的红外探测器测量车高，使系统大为简化。
2
The using of digital signal processor improves the precision of calculation, speeds the calculation process and predigests the circuit itself.
数字信号处理器的使用，既提高了计算的精度，加快了计算速度，还使电路本身得以简化。
3
And the integrating raster with vector technology predigests the polygon overlaying operation, realizes inner span part vectorizing and speed up the process.