Beacon wavelength should be close to the wavelength of the project laser and longer wavelength is profitable.

信标波长应尽量靠近发射光波长，同时，应优选波长大于发射光的信标。

youdao

Project zenith Angle and beacon wavelength have much influence on the angular separation.

发射天顶角越大，角间距越大。

youdao

Council bosses had the survey carried out as rumours continued to surround the Redcar Beacon project.

BBC: Redcar vertical pier

For Project Beacon, which would become OnStar, that job was to provide peace of mind.

FORBES: Lessons from Running GM's OnStar

Fortunately, the team decided to focus Project Beacon on driver security and safety.

FORBES: Lessons from Running GM's OnStar