The HDLC Protocol Controller can be used as a D-channel interface in a digital line card comprised of multiple DNICs.
HDLC协议控制芯片也可以作为D通道接口，用在包含多个DNIC的数字线路卡上；
Transfer of OAM (Operations, Administration and Maintenance) information for reserved and permanent services may be provided via a D-channel in another interface structure.
用于预留和永久业务的OAM信息的传递可以通过在其他接口结构中的一个D信道传送。
Transfer of OAM (Operations, Administration and Maintenance) information for reserved and permanent services may be provided over a D-channel in the same or in another interface structure.
用于租用和永久业务的OAM信息的传递可以通过在其它接口结构中的一个D信道传送。
A 3-d radar image, using false colour, of the undersea river channel where it enters the Black sea from the Bosphorus Strait. Photo: University of Leeds.
3d雷达图片，虚拟的颜色，显示了海底河从博斯普鲁斯海峡流进黑海。
The hardware design of the module mainly presents analogue channel circuit design, A/D acquisition circuit design, digital control circuit design, power and CPCI interface design.
主要介绍CPCI数字存储示波器模块的模拟通道设计、A/D采样设计、数字控制电路设计、电源设计以及CPCI接口设计。
The memory system of dual channel A/D automatic acquisition is studied in this paper. Using transceivers and gating controllers, the data bus and address bus of RAM are respectively controlled.
本文研究了双通道A/D自动采集存储系统，利用数据收发器及数据选通控制器分别控制RAM的数据线及地址控制线。
For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.
在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；
D thesis, OFDM wireless broadband mobile communication systems channel estimation and equalization study, Ph.
OFDM无线宽带移动通信系统中信道估计与均衡技术研究，Ph。
The 32 channel isolated scan A/D module is also discussed in the thesis, including trigger module and time se.
介绍了32路扫描A/D模块设计及触发模块设计和扫描时序发生器设计。
This card not only has the function of four-channel simultaneous sampling, but also has two channels for D/A, eight channels for digital I/O.
本卡不但具有四路同步A/D转换功能，而且还具有两路D/A输出功能和八路数字量输入输出功能。
The 14-bit, four-channel A/D converter MAX1325 is employed to sample the analog input and output voltage of the synchro and then converted them into digital.
模数转换采用了14位，四通道A／D转换器MAX1325，实现了自整角机四路模拟数据的同时、快速采样。
The hardware of the interface between single-chip microcomputer and multi-channel dual slope A/D converters and the software of processing serial input data in the system design is introduced.
系统设计中的多路双积分A/D与单片机串行接口的硬件及软件的处理等有独到之处。
So here we will take the way of the Equal Channel Angular Extrusion (ECAE) to process poly (d, L-lactide) to improve its properties.
本研究采用等通道转角挤压技术对聚(d,L -)乳酸进行自增强研究，并测试其增强后的降解性能。
To overcome the frequency offset between the mixing signal and modulating signal in PGC demodulation, an additional (A/D) channel in DSP system is used to sample the modulating signal.
针对PGC解调中混频信号与实际调制信号的频率偏差，在DSP系统实现中采用一路A/D转换器对调制信号进行同步采样，从而克服了频率偏差对解调结果的影响。
A brief introduction is given to 2- D tide mathematical model and the role it played in the Yangtze Estuary deepwater channel regulation project are expounded.
对二维潮流数模及它在长江口深水航道治理工程中所发挥的作用进行了介绍。
In input channel, I/V transfer circuit was designed to match the output signal of flow-meter and the input signal of A/D chip-TLC0834.
为使流量计输出信号与模数转换器输入信号相匹配，在输入通道中设计了I／V转换电路，A／D转换采用串口转换器TLC0834。
From the point of view of 2-d DBF phased array radar, this paper discusses the influence of channel errors on the system performance and the method for channel balance.
本文针对两维dBF相控阵雷达，探讨窄带情况下通道误差对系统的影响和通道均衡的方法。
The investigation of the upstream-downstream intermittent reversing flow in the near wall of a 2-D channel is attempted with a 2-D laser doppler velocimeter (LDV).
本文应用二维激光多普勒测速仪（LDV），对二元通道内近壁间歇性反流特征做了尝试性测量。
The analog circuit consists of power-supply modular, signal pickup circuit, analog filter amplifier, gain control circuit, power ground lifting circuit and signal limit circuit of A/D channel.
模拟电路部分包括：电池电源供电模块、信号采集电路、模拟滤波和放大电路、增益调节电路、地电压抬升电路和A/D输入信号限制电路。
This paper presents finite element analysis of non-Newtonian fluid flow in 2-D branching channel.
本文介绍二维分岔槽道内非牛顿流体流动的有限元分析。
The development of the Q235-D channel steel is described. Through the micro alloying processing, the prototype products have met the requirements to manufacture luxurious railway passenger cars.
介绍了Q 2 35—d槽钢的研制开发情况。通过微合金化处理，试制产品达到了生产铁路豪华客车的要求。
Seismic exploration for meander channel point bar deposits and 3 D seismic exploration for river sandstone bodies are mainly presented.
重点介绍了曲流河内侧沙洲地震勘探，以及三维地震勘探技术在寻找河道砂岩体方面的应用。
The large eddy simulation is applied to simulate a 3-d square channel compressible flow around a wall-mounted rectangle cylinder.
该文利用大涡模拟，对可压缩流体绕经安装在方管底部的长方体和矩形体的绕流现象进行了三维数值模拟。
A 2-d numerical model of wave motion in lock approach channel is described, which is soluted by using the method of resultants of 2-d numerical model of unsteady flow and 1-d numerical model.
提出船闸引航道内水面波动的二维数学模型，采用二维非恒定流数学模型和船闸灌泄水一维数学模型联解。
Main functions and characteristics of the 2-d information inquiry module of the Yangtze River Channel information Service System are presented in this paper.
介绍了长江河道信息服务系统二维信息查询模块的主要功能与特点。
Main functions and characteristics of the 2-d information inquiry module of the Yangtze River Channel information Service System are presented in this paper.
介绍了长江河道信息服务系统二维信息查询模块的主要功能与特点。
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