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。
CSCF handles SIP registration of the end points and process SIP signal messaging of the appropriate application server in the service layer.
CSCF负责端点的SIP注册，并处理服务层中恰当应用服务器的SIP信号消息传递。
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。
The QoS layer lets an SOA signal noncompliance with service qualities in each SOA layer.
QoS层可让SOA对每个 SOA 层中的服务质量不一致性发出信号。
The smart layer and its advanced signal processing technique are the important research contents of smart material and structure.
智能夹层及其先进信号处理技术的研究是智能材料结构研究的主要内容。
First of all, MP3 is a standard MPEG layer under Section 3 of the compressed audio signal decoding technology.
首先，MP3是在一种MPEG标准下的第3层音频信号的压缩解码技术。
The algorithm improves every layer of received signal of V-BLAST system using receiving diversity precessing of the receiver and better performance against error propagation.
该算法利用接收端进行分集接收处理来改善V-BLAST系统每层的接收信号，对进一步抵抗V-BLAST系统的误差传播效应取得很好的效果。
The dominant factor for Auger signal during the interface analysis is the altered layer with a thickness of 30-50A rather than the electron mean free path X.
影响层的厚度为30—50埃，它是进行深度剖面分析时，决定元素俄歇信号强度的第一位重要因素；
The temperature distribution from absorbing light is the solution of the equation. Treatment of thermally thin layer and thermally thick lager from photothermal signal is discussed.
由于光吸收而产生的温度分布就是该方程的解，并对由光热信号所产生的热薄层和热厚层进行了讨论。
In this paper, functions and measurement principle of the sonic signal processing in thin layer logging are introduced, at the very beginning.
文章介绍了薄层声波测井的作用和测量原理，分析了以前信号处理方法存在的缺陷。
Cooperative ARQ protocols will extend Cooperative Communication's range from the signal processing of physical layer to the data transmission of data link layer.
协作ARQ协议将协作通信范围由物理层的信号处理推广到链路层的数据传输。
The electrical signal alters the transmission of the electrochromic layer, and thus its opacity to daylight and solar heat.
电子信号改变了电致变色层的透射率，也就改变了自然光和太阳得热的透射率。
This paper gives out a new method of homomorphic signal processing according to the accuracy requirement of layer thickness measurement.
本文针对精确测量薄层厚度的要求。提出了一种新的同态信号处理方法。
In detail, the author narrates the function and working elements of network card, and the signal processing from baseband to IF to RF, also the protocol process of medium access control (MAC) layer.
详细讲述了网卡的功能构成、工作原理、从射频到中频到基带的信号处理过程、以及媒体访问控制层(MAC)协议处理方法等。
The signal on the layer after processing is improved and good results are obtained compared with core data analysis method.
处理结果薄层信号明显加强，与岩心分析资料对比，取得较好效果。
The proposed method will be applied in its real-time signal processor of a certain boundary layer radar wind profiler which is being manufactured.
这种方法将被应用于某型在研边界层风廓线雷达实时信号处理中。
In addition, the shielding layer on the radio frequency identification key can also shield the RFID signal duly, so the safety problems of user RFID information disclosure and the like are prevented.
另外，射频识别钥匙上的屏蔽层也能将RFID信号进行适时屏蔽，这样，就防止用户的RFID信息外漏等安全问题。
The general analytical expressions of PTR signal for multilayer samples are derived. The optically opaque three-layer sample is analyzed in details.
从理论上推导了一般情况下多层样品PTR信号的解析式，分析了光学不透明三层样品。
In a three dimensional X ray coded imaging system, it is effective method to reduce the reduplicate noise of a certain layer image for enhancing the signal noise rate.
x射线编码三维成像系统中，减少观察层上的重叠噪声是提高图像信噪比的有效方法。
The design of hardware includes signal conditioning module and data acquisition module. The design of software includes interface program and upper layer program.
测试系统硬件设计包括对信号调理模块和数据采集模块的设计，软件设计包括接口函数和上层应用程序设计。
Transport layer protocol of SIGTRAN that is special for the signal transmission plays a very important role in keeping the reliability of the signal transmission.
SIGTRAN作为下一代网络中专门用于传输信令的传输层协议，对信令传输的可靠性、时延等问题起着至关重要的作用。
Work of this paper focus on the core technology , namely Channel Coding and Multiplexing of baseband signal process of radio interface physical layer in TD-SCDMA.
本文的工作集中在TD-SCDMA空中接口物理层基带信号处理的核心技术：信道的编码和复用。
Electricity charges and discharges from the multi-layer cabling's parasitic capacitance when signal is transferred among different parts of integrated circuit.
通过集成电路各器件间的布线传递信号的过程，是将信号电荷向布线间形成的寄生电容充放电的过程。
It is difficult to recognize the overlapping signal of the front and bottom echoes from the thin layer structure.
薄层结构超声测厚过程中，薄层上下界面回波叠加导致信号难以区分。
Secondly, the profile and layer of the damaged member is also determined by probabilistic neural network with input of the normalized damage-signal index.
然后将构件损伤引起的标准化的损伤信号指标输入概率神经网络，进行损伤构件所在侧面及所在层的判定；
The multi-scale coherent eddy structure in turbulent boundary layer is detected through taking multi-scale wavelet coefficient of stream velocity component signal as characteristic quantity.
用流向速度分量信号的多尺度子波系数作为特征量检测平板湍流边界层多尺度相干结构。
With the circuit schematic design and the high speed PCB design, completes PCB composition, stackup design, internal layer design, system grounding design and high-speed signal line design.
在电路原理图设计中遵循高速信号电路PCB设计原则，完成了系统PCB的布局、叠层设计、内电层设计、系统接地设计和高速信号线等设计；
With the circuit schematic design and the high speed PCB design, completes PCB composition, stackup design, internal layer design, system grounding design and high-speed signal line design.
在电路原理图设计中遵循高速信号电路PCB设计原则，完成了系统PCB的布局、叠层设计、内电层设计、系统接地设计和高速信号线等设计；
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