KORK

ADAS (advanced driver assistance system) and other automotive camera systems use a wide range of camera and sensor technology to ensure high performance and safety. One of those systems is radar. Active radar reflectors combined with an optical marker at their center can be used for visual cameras and radar alignment to confirm that these systems are calibrated and functioning correctly.

The optical marker marks the reflector surface’s center and corresponds to the radar signal’s reflection center. Due to the reflector’s planarity, the reflection center and the optical marker sit in the same plane and avoid any angular error when aligning two or more sensor systems (conventional trihedral corner reflectors create such angular errors because of their physical depth that allow multiple reflections of an incoming radar wave). Furthermore, KORK is equipped with a retroreflective file to drastically increase Lidar-Systems’ visibility.

Precise spatial alignment of radar and camera sensors to each other or individual sensors can then be analyzed. In addition, verification of sensor alignment (e.g., for online algorithms) is possible with active radar reflector solutions. This concept is beneficial for sensor development and EoL (end-of-line) testing.

ADAS（高級駕駛輔助系統）和其他汽車攝像系統採用了多種攝像和傳感器技術，以確保高性能和安全性。雷達就是其中之一。有源雷達反射器在其中心結合了一個光學標記，可用於視覺攝像頭和雷達對準，以確認這些系統已校准並正常運行。

光學標記標記了反射器表面的中心，並與雷達信號的反射中心相對應。由於反射器的平面性，反射中心和光學標記位於同一平面內，因此在對準兩個或多個傳感器系統時可避免任何角度誤差（傳統的三面角反射器會產生這種角度誤差，因為其物理深度允許傳入的雷達波發生多次反射）。此外，KORK 還配備了反向反射文件，可大幅提高激光雷達系統的可見度。

這樣就可以分析雷達和照相機傳感器之間或單個傳感器之間的精確空間對齊情況。此外，利用主動雷達反射器解決方案，還可驗證傳感器的對齊情況（如在線算法）。這一概念有利於傳感器開發和 EoL（生產線末端）測試。