A new receiver structure was proposed for adaptive smart antennas in CDMA mobile communication systems, requiring only the knowledge of the desired user's pseudo noise (PN) code sequence.

利用码分多址(CDMA)系统中的用户伪随机(PN)码信息，提出了一种新的自适应智能天线结构。

youdao

Although the demarcation between science and pseudo-science is difficult, they note, the demarcation between pseudo-science and traditional knowledge is fairly straightforward.

UNESCO: Local and Indigenous Knowledge Systems

The first part of the report examines the nature of traditional knowledge and the triangular relationship between science, traditional knowledge and pseudo-science.

UNESCO: Local and Indigenous Knowledge Systems

The very names of these products, energetic and pseudo-scientific, implied that the limits of knowledge had been searched.

ECONOMIST: Est��e Lauder