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and system
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  系统
    Public Key Infrastructure:Study of Certificate Status Information Distribution Method and System Design
    PKI:证书状态信息分发方法研究和系统设计
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    An Average Model and System Analysis for the High Frequency Switching Power Supply
    高频化开关电源的平均模型及系统分析
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    FUNCTIONAL ANALYSIS OF SIGNAL AND SYSTEM
    信号与系统的泛函分析
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    Fast Silicon aids RF and System Design
    高速硅射频和系统设计
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    RESEARCH ON VGA TO TV SCAN CONVERTER TECHNOLOGY AND SYSTEM IMPlEMENTATION
    VGA信号到TV信号的变换技术与系统实现
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  体系
    Technical Demand and System Architecture of IPTV Services
    IPTV业务的技术需求与体系架构研究
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    The explanation of design process is focused on three functional entities, which are defined according to three supported operation objects: SNMP manager, managed HFC devices, and system configuration terminal.
    对代理服务器的设计思路的说明,着重通过对其体系架构的几个关键功能实体的详细描述。 系统按功能层次和内部数据控制范围划分针对SNMP 管理者、被管HFC 设备以及系统配置终端三个服务对象的三个功能实体。
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    The telecommunication service is developed swift and violently atpresent. The concept and system of traditional telecommunications arefaced with new technical revolution represented by Internet.
    目前电信业务发展迅猛,以互联网为代表的新技术革命正在深刻的改变着传统电信的概念和体系,电信业正在面临着一场巨变,新业务层出不穷,数据业务快速发展,数据业务量迅速膨胀。
短句来源
    In order to force this trend and utilize the existed network resource validly, IP voice management platform is developed as a VoIP special platform of new generation, by combining related research results at home and abroad and the advantage of every practical systems and system structures.
    IP语音管理平台就是为了更好地推进这一发展趋势,更加有效地利用现有网络资源,结合国内外相关研究成果,整合各个实用系统和体系架构的优点,定制出的新一代的VoIP专用平台。
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    Thus, the author of this paper realized their concepts, frameworks and system processing through studying. Also, it can be an introduction of this field for the research to more and more people, and it will be useful for the rapid development of the context-aware technology in Ambient network.
    因此作者首先在深入学习研究的基础上对他们的基础知识概念以及构架体系,系统过程等方面有一个深刻的认识,为以后的研究打下坚实的基础,也可以抛砖引玉,使得更多的人对这一课题展开研究,促进Ambient网络中的环境感知技术能有更为迅速的发展。
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  “and system”译为未确定词的双语例句
    The Jitter and Wander Performance of PDH/SDH Equipment and System
    PDH/SDH的抖动和漂移性能及有关测试问题
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    Generalized frame and system architecture in QoS of IP network
    IP网络的QoS通用框架及其体系结构
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    Discussion on Communication Power Supply Operating Traits and System in Information Network Time
    信息网络时代通信电源供电特点和体制的探讨
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    Analysis and Research of Network Structure and System
    网络体系结构分析和研究
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    Theoretical analysis and system simulation of OFDM technique
    OFDM技术的理论分析与仿真实现
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  and system
By introducing additional slack variables, a new mixed H2/H∞ performance criterion is proposed, which provides a decoupling between the Lyapunov matrix and system matrices.
      
A sliding mode perturbation observer (SPO) is designed to estimate unmeasurable states and system perturbations that involve system nonlinearities, disturbances and unmodelled dynamics.
      
A consistent terminology and system of hair and spine cortex and medulla is proposed.
      
Such system ensures coordinated changes of the signaling system and system of signal perception as new adaptations appear, which automatically provides for reproductive isolation within a limited number of generations.
      
On the origin of avian flight: Compromise and system approaches
      
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In demodulation type transponder the demodulated baseband signal accompanied by noise is used for further modulation and retransmission. The relationships between the retransmitted noise and system parameters are analysed for three cases, i.e. coherent demodulation in linear channel, coherent demodulation with pre-limiter and frequency discrimination demodulation. The theoretical analysis has been confirmed by experiments. Results of, this article can be used for radio system design of orbit determination...

In demodulation type transponder the demodulated baseband signal accompanied by noise is used for further modulation and retransmission. The relationships between the retransmitted noise and system parameters are analysed for three cases, i.e. coherent demodulation in linear channel, coherent demodulation with pre-limiter and frequency discrimination demodulation. The theoretical analysis has been confirmed by experiments. Results of, this article can be used for radio system design of orbit determination and data transmission.

在解调型应答机中,解调的基带信号和伴随的噪声一起再调制和转发。本文针对线性通道中相干解调、有预限幅的相干解调和鉴频解调三种情况,分析了转发噪声与系统参数的关系。理论分析已为实验所证实。本文结果可用于无线电测轨或数据传输系统的设计。

A new idea of the complex weighted array antennas in proposed. A generalized weighted factor is given. Also, the general formulae for calculating the element numbers, field patterns, power patterns and array efficiency of the complex weighted array antennas are derived. The application of the complex weighted array antennas will be advantageous to the reduction of costs, improvement of performences and system adaptability.

本文提出了复合加权阵列的概念,引入了具有普遍意义的随机阵列的广义权因子,导出了计算复合加权阵列天线的单元数目、场强方向图、功率方向图和加权效率等性能参数统计特性的普遍公式。大家所熟知的密度渐稀阵列和相位加权阵列均可归结为本文所提出的复合加权阵列的特例。应用复合加权阵列天线将会带来降低有效成本、提高性能及增加系统灵活性等好处。

Under the Wiener least mean square (LMS) criteria, the performance of an adaptive noise cancelling filter is considered. Using the solution of optimum transfer function in frequency domain, we prove the limit cancelling ability and system gain are proportional with 1/τ, where τ is the correlation radius between input noise. The elementary conditions that must be satisfied in application of noise cancelling are given.In time domain, a transverse filter can approximate the optimum linear system with...

Under the Wiener least mean square (LMS) criteria, the performance of an adaptive noise cancelling filter is considered. Using the solution of optimum transfer function in frequency domain, we prove the limit cancelling ability and system gain are proportional with 1/τ, where τ is the correlation radius between input noise. The elementary conditions that must be satisfied in application of noise cancelling are given.In time domain, a transverse filter can approximate the optimum linear system with arbitrary accuracy. The representation of their relation is given. The results given in this paper can be easily applied to adaptive beamforming systems.A method (which is based on the inverse matrix of cross-power density spectrum) for calculating the ability of adaptive beamforming system to reject planar interference is given. A block diagram of system simulation by computer and some experimental results are shown at the end of the paper.

本文根据Wiener最小均方差准则,讨论了自适应噪声抵消滤波器的性能,导出了极限抵消能力和系统增益的表达式,给出了应用噪声抵消法必须满足的基本条件,给出了用横向滤波器逼近最佳线性系统的原理与设计方法。同时给出了根据噪声抵消原理设计的自适应波束成形系统抗平面波干扰增益的计算方法。最后提到用计算机进行系统模拟的框图和某些仿真结果。

 
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