The need for better visibility will make radar technology favored over other automotive obstacle detection technologies.
Earlier technologies like sonar, lidar and cameras were thought as a solution but radar clearly outperformed them. Radar uses radio waves that bounce of obstacles. The Radar can determine not only the obstacle, but also its speed in relation to the vehicle. It works efficiently even if the object is reflective but that’s not the case in lidar. It (lidar) uses low power laser beams to determine which are easily deflected by objects and hence isn’t accurate and doesn’t work well during snow, heavy rain or foggy days
The development of SiGe chips in 2009 would greatly reduce the price of radars and we can start expecting the cars to be equipped the radar soon. The sensors used in radar systems will also soon be coming down in price.
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