Spread-spectrum PN code ranging and differential Positioning technology are used to make it possible to reach such accuracy.

达到高精度的关键是应用了伪随机码扩谱及差分定位技术。

youdao

In this paper, isochronous service of Advanced Orbit System (AOS) is researched, and the possible schemes for implementing pseudo-random code ranging by using isochronous service of AOS are discussed.

本文对高级在轨系统(AOS)提供的等时性业务进行了深入的研究，讨论了利用AOS等时性业务实现伪码测距的可能方案。

youdao

Wednesday's recall covers eggs branded as Albertsons, Farm Fresh, James Farms, Glenview, Mountain Dairy, Ralph's, Boomsma, Lund, Kemps and Pacific Coast and are marked with a three-digit code ranging from 136 to 229 and plant numbers1720 and 1942, the company said.

CNN: STORY HIGHLIGHTS

The earlier recall covered the Lucerne, Albertson, Mountain Dairy, Ralph's, Boomsma, Sunshine, Hillandale, Trafficanda, Farm Fresh, Shoreland, Lund, Dutch Farms and Kemps brands that were marked with with a three-digit code ranging from 136 to 225 and plant numbers 1026, 1413 and 1946.

CNN: STORY HIGHLIGHTS

And that is a fighting word to groups ranging from Code Pink to the National Rifle Association.

NPR: FCC May Vote to Loosen Media Ownership Rules