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物理电路
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  physical circuit
     First, the SPWM is validated by math tool matlab, which prove the data of SPWM is consistent with the theory. Second, the SPICE circuit model is simulated by protel99SE which is also proved. Finally, the sine in SPWM is output by actual physical circuit.
     整个设计也采用了规范的设计方法,在选定SPWM调制方案之后使用数学模型并用数学软件工具matlab对SPWM调制方案进行了数学上的验证,证明由牛顿迭代法生成的SPWM数据其谱分布与理论上的证明是一致,再使用protel99SE的物理电路模型仿真功能,对实际的电路模型进行仿真,也证明此方法可行,最后使用物理电路实现了SPWM正弦波输出。
短句来源
     The functions of the CP layer are intended to reduce calls for CS network by means of concentrator, to control dynamic change of circuit set on the basis of minimum circuit set and to multiplex each physical circuit by the application of PS technique.
     CP层的功能包括:用集中器功能减少对CS网的呼叫,在最小电路集合基础上控制电路集合的动态增减,采用分组交换方式复用每一条物理电路等。
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  “物理电路”译为未确定词的双语例句
     VoIP(Voice over Internet Protocol) techniques prompt the transfer of audio service from circuit switch to package-based switch.
     VoIP(Voice over Internet Protocol,IP电话)技术的发展促使语音业务从物理电路交换到数据报分组交换的转变。
短句来源
     Under the guidance of the instruction design theory in the experiment-teaching course, the author who took the physics circuit connect experiment as a example, developed a inquiring experiment-teaching platform under the environment of the network, and proposed a system of the experiment-teaching platform.
     在网络环境下探究性实验教学过程教学设计的理论指导下,论文以初中物理电路连接实验为例,开发了一个基于网络的探究性实验教学平台。
短句来源
     In this paper, a singular perturbation model incorporating fast and slow electromagnetic transients is derived based on physical circuits of power systems.
     文中以电力系统物理电路为基础 ,导出了一个计及电磁快动态的电力系统奇异摄动模型。
短句来源
     In this paper, the mechanism of voltage collapse is studied based on the circuit model.
     文中细致地研究了基于物理电路方程解流形的电压崩溃机理。
短句来源
     In this paper,Verilog-HDL(a hardware description language) is introduced,and how to design digital circuit? A sequence-inspected equipment is designed in Verilog-HDL,and is compared with traditional one with J-K trigger,and is synthesized and emulated in Synplify. It can be obtained sequence-inspected equipment automatically as expected.
     简要介绍Verilog-HDL设计数字电路基本原理,并用它具体的设计一个序列检测器,且与传统的用J-K触发器所设计的检测器进行了比较,最后在Synplify开发环境进行仿真综合,自动生成了满足给定条件的序列检测器物理电路
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  相似匹配句对
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短句来源
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     电路中不连续振动的物理基础
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     Earthquake-generated tsunamsi: their physics, monitoring and warning
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  physical circuit
In this model, standard Internet connectivity as well as I2 services could be provided using a common physical circuit.
      
In this way, the circuit the learner creates on the virtual breadboard is transformed into a physical circuit in the matrix.
      
Parasitic impedance effects of termination devices caused by physical circuit mismatches can no longer be considered negligible.
      
Sometimes no bandwidth will be available on the physical circuit because the physical circuit is saturated.
      
The FCC regulates T1 service so it is delivered over a two pair physical circuit terminated by a smart-jack.
      
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In view of the deficiency of communication resource in our country, the starting situation of computer communication network and the outlook of integrated information network, a hybrid-switched (HS) communication architecture with dynamic layer structure is proposed in this paper.The nucleus of HS structure is a public circuit-switched (CS) network. The second layer of HS structure, in which CS network is turned into packet-switched (PS) network, consists of the communication processors (CP). User's computers/terminals...

In view of the deficiency of communication resource in our country, the starting situation of computer communication network and the outlook of integrated information network, a hybrid-switched (HS) communication architecture with dynamic layer structure is proposed in this paper.The nucleus of HS structure is a public circuit-switched (CS) network. The second layer of HS structure, in which CS network is turned into packet-switched (PS) network, consists of the communication processors (CP). User's computers/terminals (C/T) of the third layer may use either PS or CS circuits depending on demand of the user.The functions of the CP layer are intended to reduce calls for CS network by means of concentrator, to control dynamic change of circuit set on the basis of minimum circuit set and to multiplex each physical circuit by the application of PS technique.This paper also gives description of the hardware and software features of a CP. The communications software module includes functions of the dataset, conversion functions of distinct link control procedures, circuit reservation, transmision control and routing control of PS network.

本文针对我国通信资源贫乏、计算机通信网刚刚起步的现状,就综合信息网络的发展前景,提出了一种分层动态结构的混合交换体系。这种混合交换结构的内核是公用电路交换(CS)网。CS网由通信处理机(CP)组成的第二层改造为分组交换(PS)网。根据用户需要,第三层的用户计算机/终端(C/T)可以使用PS或CS线路。CP层的功能包括:用集中器功能减少对CS网的呼叫,在最小电路集合基础上控制电路集合的动态增减,采用分组交换方式复用每一条物理电路等。文章最后介绍了一台CP的硬件和软件特性。通信软件包括数传机功能、通信规程转换、电路预约、PS网传输控制和路径控制等模块。

The medical research on aneurysm indicates that enlargement or rupture of aneurysm may cause pressure on visual nerves,periodic migraine, and even death.Thus, it is important to investgate the enlargement and rupture of ancurysm. G. Austin designed asimnlated experiment and eonstsueted a mathematial model. However, he did not consider the relationship between turbulence and blood pressure. Our paper will consider this problem~ Let x bc the velocity of flow in the aneurysm.We consider the following system:

本文对G·Austin模拟脑动脉瘤的物理电路进行了讨论,归结出脑动脉瘤的一个生物数学模型,再用Melnikov方法研究了模型的周期扰动系统的次谐波分枝和浑沌行为,最后,讨论了其对动脉癌的影响。

A new EDA software(PSPICE)and its principle,analysis method and functions are introduced in this article.The concept of Macromodel and the establishing method is devoloped.On the basis of Macromodel and Transient analysis of PSPICE,the Phase sensitive rectifier circuits of Tank's.FCS(Fire Control System)are simulated,then the simulation figure and text file are obtained.The typical circuits of Tank's FCS such as band rejection filter and double limiting amplitude comparition circuits are also analyzed and...

A new EDA software(PSPICE)and its principle,analysis method and functions are introduced in this article.The concept of Macromodel and the establishing method is devoloped.On the basis of Macromodel and Transient analysis of PSPICE,the Phase sensitive rectifier circuits of Tank's.FCS(Fire Control System)are simulated,then the simulation figure and text file are obtained.The typical circuits of Tank's FCS such as band rejection filter and double limiting amplitude comparition circuits are also analyzed and optimized.Certified by experiments of physical circuits,the wave gotten by circuit simulation is accorded with the circuit's wave diagram measured by oscillograph,so the circuit simulation is accurate and reliable.

本文介绍了一种新颖的EDA 软件——PSPICE的工作原理、分析方法和功能,提出了宏模型的概念和建立方法.基于宏模型和PSPICE的瞬态分析对坦克火控系统的相敏解调电路进行电路仿真, 得到了电路仿真图形和文本文件.对坦克火控系统典型电路如带阻滤波电路及双限比较器电路进行了灵敏度分析和优化设计. 经物理电路实验验证, 电路仿真得出的波形与实际示波测量的电路波形相一致, 电路仿真结果准确可信.

 
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