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双跳
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  two-hop
     The Architecture and Media Access Protocol for Two-Hop WDM Networks
     双跳波分复用网络的结构和访问控制协议
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  “双跳”译为未确定词的双语例句
     Design of Emission Part of Scouting System in CATV Network Using Bi-frequency Technology
     基于双跳频点联合检测技术的有线电视网络监控系统发射部分设计
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     At the other hand,when the earth- atmosphere position is instability,the distance between the rain belt in winter and spring may be over 500 km. In that case,the earthquake in winter and spring may be as an index for predicting the rain in spring.
     当冬季地气形势出现“双跳型”时,冬、春季之间的雨带可相距500 km以上,此时冬、春季的地震时空变化有可能作为春雨位置的预报指标。
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  相似匹配句对
     The Struction of Single Jump Twin Increase Function of Plane
     平面上的单增函数的结构
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     JUMP SHOT
    
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     Dual Lenses
     透镜
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     The Architecture and Media Access Protocol for Two-Hop WDM Networks
     波分复用网络的结构和访问控制协议
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     (2) Double flanges.
     (2)凸缘;
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  double jump
Aging, memories after temperature sweeps (double ramp and double jump) and memories after electric field sweeps (double ramp and double jump) were studied as a function of frequency.
      
The double jump rate, as a function of the atomic distance, can show oscillations of up to 30% at distances of about a wave length, and oscillations are still noticeable at a distance of ten wave lengths.
      
We show that, as this is the case for random graphs, there is a "double jump" in the probable and almost sure size of the greatest component of hypergraphs, when the average vertex degree passes the value 1.
      
  two-hop
Due to the interference null capacity of MIMO links, the interference node set of each node can decrease from two-hop neighbors to one-hop neighbors possibly.
      
Two-Hop Polling: An Access Scheme for Clustered, Multihop Ad hoc Networks
      
In this paper, we evaluate the importance of distributed gateways for two different clustering schemes and propose a novel access scheme for clustered environments using the link-cluster architecture, called two-hop polling (2HP).
      
Two-hop polling manages to utilize intercluster links, leading to better connectivity and throughput.
      
The WWAN/WLAN two-hop-relay system described in [1] integrates two types of wireless technologies to improve wireless access throughput and coverage.
      
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The paper mainly describes the topology and access mode of VSAT satellite network.Two types of network such as star and mesh network and their features and communication servicesare analyzed. TDM/FDMA, SCPC/FDMA, TDMA, CDMA and DAMA mode are discussed re-spectively.

本文主要叙述VSAT—卫星网络类型及接入方式。从网络拓扑结构出发分析星形和网状两种网络形式、特点及通信业务。由中心站和若干个VSAT站组成的星形网络有三种通信方式:单跳、双跳和单、双混合式。在中心站的控制下,VSAT站之间通信要通过中心站经卫星线路实现,不能直接进行通信,线路延时较大,且通信业务受限。网状拓扑网络没有中心站,VSAT站之间可直接进行双向通信,线路延时小,在业务范围上也有新的突破。 VSAT网络接入方式极其重要,它决定着VSAT的性能,业务量及线路延时。不同的接入方式将影响卫星的利用率,信道容量的稳定性,结构的简易性,网络造价及组网灵活性等。据以上衡量标准,分别对TDM/FDMA、SCPC/FDMA、TDMA、CDMA和DAMA方式进行了分析,可根据用户不同的业务需求,组合并用,满足各种VSAT站灵活组网需要。

The ISBN/PES system from Hughes Network Systems is a two way VSAT data communication system based on TDM/TDMA.It has a star like topology,which means that the Hub is the processing center of the whole network.The system provides the Date circuits between remote and hub station via single hop.While the communication is between two remote stations,it will be via two hop.The principles and features of the system are described detailed in detail in this article.

:ISBN PES系统是美国休斯公司的 TDM/ TDMAVIST系统。该系统是星状结构的双向数据通信。主站是整个系统的数据通信枢纽 ,VSAT端站以“单跳”方式经同步卫星建立与主站的通信连接 ,端站间的通信经主站基带数据处理系统的链路引接通过卫星“双跳”方式实现。本文详细介绍了 PESVIST系统的工作原理的系统特性。

The dynamic velocity taper and induced second harmonic are analyzed which improve the miniature TWT efficiency using computer simulation based on Rowe large signal theory. The changes of the step amplitude in non-linear dual step circuits are emphasized which affect saturated output power. The optimized step position is obtained at which DVT are established, the fun-damental mode are raised, the second harmonic are reduced and the ripple of the saturated output power are minimized within over-all bandwidth(6-18GHZ)....

The dynamic velocity taper and induced second harmonic are analyzed which improve the miniature TWT efficiency using computer simulation based on Rowe large signal theory. The changes of the step amplitude in non-linear dual step circuits are emphasized which affect saturated output power. The optimized step position is obtained at which DVT are established, the fun-damental mode are raised, the second harmonic are reduced and the ripple of the saturated output power are minimized within over-all bandwidth(6-18GHZ).

本文以罗埃大信号理论为基础,对提高小型化行波管效率的动态速度渐变技术和二次谐波的抑制问题进行了模拟计算分析。重点研究了非线性双跳变电路中跳变幅度的变化对饱和输出功率的影响。获得了实现动态速度渐变的最佳双跳变电路变化幅度。证明了在最佳跳变幅度,基波分量得到加强,二次谐波受到抑制,饱和功率在全频带范围(6~18GHz)内具有均衡输出。

 
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