Best layout and performance are achieved with at least a 4-layer multilayer board, where there is a ground plane layer, a power supply layer, and two signal layers.
电路板至少需要4层才能实现最佳布局和性能：一个接地层、一个电源层和两个信号层。
The two bottom layers, called the physical layer protocols, take care of the actual signal transfer over the network cable.
称为物理层协议的两个底层处理网络电缆上的实际信号传输。
An intricate set of metal layers focuses and manipulates incoming radio waves, allowing the tag to send back a clear signal.
这套装置以一系列精巧的金属片来聚焦和操控入射的无限电波，使标签将清晰的信号反射回来。
Red balloons trapped between the two layers of mesh signal the entrances to the pavilion, which is accessed through triangular metal openings.
两层网中间夹着红色的气球，为场馆三角形的金属入口提供标志。
This method will gradually decompose a complex nonlinear and non-stationary signal into some stable data layers and the remaining final trend.
这种方法将一个复杂的非线性非平稳信号逐级分解成若干平稳的数据层与剩余的最终趋势项的叠加。
Each of smooth layers is called as intrinsic mode function, which represents the signal characteristics of different scales.
其中每一个平稳数据层被称为一个本征模式函数，它们代表了信号不同尺度的特性。
In the "Layer", load in all the signal & drill layers.
选择所有的信号层和钻孔层。
When a seismic signal propagates through a realistic medium in the Earth, in addition to anisotropy, the layers may show intrinsic viscoelastic behavior.
当地震信号通过复杂地球介质时，地层除了表现为各向异性，还表现为内在的粘弹性特征。
The signal to noise of the useful signal of objective layers is greatly improved by reflective coefficients in the window of resonance and transmission.
通过选择套管共振透射窗，提高目的层有用信号的信噪比。
It can realize control the front inputting, outputting signal at the same time, take precautions double layers. Thus the interference and attack in such illegal signals are prevented.
该系统可实现前端输入、输出信号同时监控，双层防范，从而有效遏制非法信号的干扰和攻击。
The methods based on test signal can be used in management test task. The standard interface of layers is presented for most duplicate.
对测试任务配置时采用基于测试信号的配置方法，各层之间采用标准的接口，以提供最大限度的复用。
The methods based on test signal can be used in management test task. The standard interface of layers is presented for most duplicate.
对测试任务配置时采用基于测试信号的配置方法，各层之间采用标准的接口，以提供最大限度的复用。
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