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切换准则
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  handoff criteria
     In this paper, a QoS-based handoff supporting mechanism in mobile wireless Internet is disussed. In the proposed mechanism,the mobile assisted handoff strategy is adopted,the dynamic handoff criteria is formulated based on the underlying information,and the soft and hard hand handoffs are used alternatively and seamlessly,with rerouting,QoS control for frequent handoffs and caching utilized,providing QoS support sufficiently.
     研究了移动无线因特网中基于QoS的切换支持机制,该机制采用移动台辅助切换策略和基于底层信息的动态切换准则,软、硬切换有机结合,同时辅以重路由、频繁切换QoS控制与缓存等技术,为用户QoS保证提供支持。
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  “切换准则”译为未确定词的双语例句
     Window Switch Criterion for Improving MPEG Audio Encoding
     改进MPEG音频编码的窗型切换准则
短句来源
     Compare to the single wavelet networks, the multiple models wavelet networks can identify the variety of system immediately and accurately.
     给出了多模型小波网络的结构和切换准则。 并将其与单小波网络辨识方法进行比较,可以看出该方法能够及时、准确、迅速的辨识出动态系统的变化。
短句来源
     A multiple PCA model based process monitoring methodology and its online applications are then presented, which include the algorithms for developing multiple PCA models, criterion for online models selection and methods for models updating and incorporation of new PCA models.
     并提出了一种多PCA(principal component analysis)模型过程监控方法及其在线应用的实现,包括多PCA模型合并策略、模型在线切换准则、模型更新及新模型在线添加方法。
短句来源
     This chapter discusses two feeder link handover schemes and two user link handover principles.
     本章讨论两种馈电链路切换方案,以及两种用户链路切换准则
短句来源
     Based on link-level simulations and the analysis of cell cepacity,the link-configuring and mode-switching regulations of AMR speech service are summarized for 3G system,which are meaningful for radio resource management in practical systems.
     基于链路级的仿真和对系统容量的分析 ,本文归纳了 3G系统中AMR语音业务的链路配置和模式切换准则 ,对实际系统中的无线资源管理具有参考价值 .
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  相似匹配句对
     Window Switch Criterion for Improving MPEG Audio Encoding
     改进MPEG音频编码的窗型切换准则
短句来源
     AUDITING STANDARDS
     审计准则
短句来源
     These criteria are an extension of some results established by R.
     这些准则是对 R.
短句来源
     The management of the handover subsystem about channel;
     切换号码的管理;
短句来源
     The Study on Handover Technology
     切换技术研究
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Selective avalability brings uncertainty to navigation error of GPS, according to covariance assignment theory a filter is proposed in the paper with the emphasise on the assignability of prespicified upper steady covariance of filtering error and the formulations of filtering gain. The filtering gain is obtained by assigning a specified upper covariance matrix to steady filtering error. The guidance methodology of horizental tracjectory tracking control for an unmanned air vehicle is introduced. The navigation...

Selective avalability brings uncertainty to navigation error of GPS, according to covariance assignment theory a filter is proposed in the paper with the emphasise on the assignability of prespicified upper steady covariance of filtering error and the formulations of filtering gain. The filtering gain is obtained by assigning a specified upper covariance matrix to steady filtering error. The guidance methodology of horizental tracjectory tracking control for an unmanned air vehicle is introduced. The navigation coordinate, coordinate translation relationships, motion model of the UMA, calculation formulations of guidance parameter, rules of changing the desired track leg and the control algorithmand are proposed. By this method, based on GPS autonomous flying is realised for an unmanned air vehicle for the first time in China. Finally simulation and flight test results are given to illustrate the effectiveness and avalability of the method.

选择可用性给全球定位系统(GPS)定位误差带来了不确定性,根据协方差配置理论给出了一种导航滤波算法,滤波增益根据稳态误差方差的要求由协方差配置理论得出;着重研究了给定稳态误差协方差可配置充要条件及滤波增益公式.介绍了基于GPS某型无人飞机的平面制导算法,给出了导航坐标系、坐标变换公式、机体运动模型、制导参数计算公式、航段切换准则及控制规律.利用本文的方法实现了无人飞机按预定航线的自主飞行,填补了我国在该领域的技术空白.最后简单介绍了仿真及实际飞行试验结果,试飞结果证明了算法的有效性及实用性.

In this paper,the energy ramp in critical-band is proposed to be the criterion for window switching in the MPEG audio encoder.By using this new criterion,the encoder can distinguish the real transient signal from the stable signals with high perceptual entropy.Therefore,the misjudgments of window type,which are caused by the perceptual entropy criterion used in the MPEG Layer III standard,are reduced,and the audio quality and the coding efficiency are also improved.

提出了临界频带能量变化率准则作为音频编码器MDCT窗型切换的准则,有效地将感觉熵很高的平稳信号与真正的突发信号区分开,从而减少了MPEG Layer III标准使用的"感觉熵"准则对窗型的误判现象,改善了编码音质和压缩效率。

This paper introduces the unequal protected channel codes,in which Turbo code is applied,for AMR speech services in 3G system.To investigate the link adaptation of AMR,this paper proposes an unequal power assignment strategy for 3G system,and analyzes the influence of AMR modes to the admission capacity of the cells.Based on link-level simulations and the analysis of cell cepacity,the link-configuring and mode-switching regulations of AMR speech service are summarized for 3G system,which are meaningful for radio...

This paper introduces the unequal protected channel codes,in which Turbo code is applied,for AMR speech services in 3G system.To investigate the link adaptation of AMR,this paper proposes an unequal power assignment strategy for 3G system,and analyzes the influence of AMR modes to the admission capacity of the cells.Based on link-level simulations and the analysis of cell cepacity,the link-configuring and mode-switching regulations of AMR speech service are summarized for 3G system,which are meaningful for radio resource management in practical systems.

本文针对 3G系统中自适应多比特率 (AMR)语音业务的各种语音编码模式 ,设计了采用Turbo码的不等保护信道编码为基础的链路配置方案 .为了研究AMR的链路适配 ,提出了针对 3G系统多业务、多接入速率特征的不等功率分配策略 ,并在此基础上分析了AMR的不同编码模式对小区的接入容量的影响 .基于链路级的仿真和对系统容量的分析 ,本文归纳了 3G系统中AMR语音业务的链路配置和模式切换准则 ,对实际系统中的无线资源管理具有参考价值 .

 
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