另外在轿厢内外均要有信号灯显示电梯运行方向及楼层数。
Also in the Cabin have both inside and outside lights show the direction of the lift and a few floors.
传统方法只能分析系统中的单一低速总线，分别观测物理层信号和数据层数据进行分析。
Traditional analysis tools only cover the single low speed bus and test signals in physical layer and data layer respectively.
在对带白噪声信号的小波变换特性分析的基础上，基于自相关函数的白噪声检验方法，提出了一种确定小波分解层数的自适应算法。
Threshold de-noising based on wavelet transform which is proposed to determine the decomposition order adaptively is an efficient method to reduce the white noise in the digital signal.
在对带白噪声信号的小波变换特性分析的基础上，基于自相关函数的白噪声检验方法，提出了一种确定小波分解层数的自适应算法。
Threshold de-noising based on wavelet transform which is proposed to determine the decomposition order adaptively is an efficient method to reduce the white noise in the digital signal.
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