From the point of view of relative level, this paper proposes a novel approach for the multilevel compression in Walsh code-divisionmultiplexing digital communication.
本文从相对电平的观点出发，提出了一种沃尔什码分多路信号多电平压缩的新方法。
2
And the system can send the signal in codedivisionmultiplexing mode in theory, so it has a certain expansion of capacity.
同时在理论上该系统支持基于码分复用模式的定位信号的发射，具有一定的扩展能力。
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Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency divisionmultiplexing (OFDM) and codedivision multiple access (CDMA).