Spreading code design and joint detection are two efficient ways to increase CDMA system capacity in multi-path fading channels.
在多径衰落信道CDMA系统中,扩频码设计与联合检测为提高系统容量的两个重要手段。
The bristle brush allows for greater carrying capacity and better smoothing and spreading action.
硬毛刷允许更大的承载能力、更平滑和涂抹效果。
In spreading code design, MAI and ISI are removed by constructing spreading codes with zero correlation window, which increases system capacity.
在扩频码设计中,通过构造零相关窗码可以消除MAI和ISI,从而提高系统容量。
Equally, spreading spectrum technology can improve the performance of watermark technology greatly, but it will increase the capacity of channel and the calculation of the algorithm as cost.
应用扩频原理,能大大改善水印嵌入的不可感知性。但由于采用扩频调制后,一个水印信息要用一个周期的伪随机序列调制,因此会增加嵌入的水印量。
On the basis of analyzing the failure process and considering the influence of stress spreading, the method determining ultimate bearing capacity of double layer rock foundation is put forward.
针对上硬下软近水平双层岩基的破坏过程,考虑软弱下伏岩层对应力分布的扩散效应,提出双层岩基极限承载力的计算方法。
On the basis of analyzing the failure process and considering the influence of stress spreading, the method determining ultimate bearing capacity of double layer rock foundation is put forward.
针对上硬下软近水平双层岩基的破坏过程,考虑软弱下伏岩层对应力分布的扩散效应,提出双层岩基极限承载力的计算方法。
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