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双语推荐：多制式

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为了对付现代战争的“四大威胁”，采用分布式、多制式传感器组网对敌方目标进行探测已经变得十分必要，而多制式传感器组网的关键技术之一是数据融合问题。分析了三坐标雷达、两坐标雷达和红外探测器这三种常见种类的传感器点迹几何模型，提出了一种针对这三种不同制式传感器的数据融合算法，并在某工程中得到了成功应用。
10.3969/j.issn.1000-0755.2013.05.006

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共天馈解决方案利用已有网络资源，解决新入网络部署站址获取难、天面资源受限等问题，帮助运营商获取一张q陕速部署，低成本，高性能”的网络，快速提升运营商综合竞争力，本文主要分析在共天馈下多制式的网络优化，优化时需要综合考虑不同制式的覆盖目标与业务发展目标，在RF、参数算法、承载业务等方面进行协同优化，实现多制式优化效率与优化质量的双提升。
Use of existing network resources,solutions in the same antenna and feeder could sovle issues such as the difficulty of new site for the network deployment and the restriction in the space resource,and quickly enhance the comprehensive competitiveness of the operators by owning a mobile communication network of rapid deployment, low-cost, high-performance.This article analyzes the optimization of multi-standard network in the same antenna feeder.In the process,considering the different targets of cover perspective and business perspective,it achieved multi-system optimization efficiency and quality of double upgrade by collaborative optimization such as in RF,parameters algorithm and bearer service.

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多制式基站探测终端基于S3C2440设计而成,使用内存映射方式扩展多路串行通信接口,内置多制式通信模块。将该终端置于移动监测车辆之中,在监测车辆移动过程中,终端实时、周期性监测热点所在区域三大运营商不同制式的无线网络信号,包括GSM,CDMA,WCDMA,TD.SCDMA,并将采集获得的GPS信息、基站参数、信号强度等上传至管理软件,管理软件在线分析获取监测区域全网信号图谱。该系统的使用填补了目前无线通信全网实时同步监测的市场空白,丰富了无线网络监测手段。
The design of a base station detecting terminal based on S3c2440 is presented in this paper. Its serial ports are expanded by memory mapping mode. The multi-standard communication module is built in this terminal. The terminal is moun-ted in the special vehicle to monitor the different signals of wireless networks while it moving on the road in the hot point area. Its monitoring targets are GSM,CDMA,WCDMA and TD-SCDMA. The parameters of base station,signal intensity and GPS in-formation collected by the terminal is sent to the management software,which analyzes a signal mapping spectrum of each net-work in the region in real time. This system fills the gap to execute the real-time simultaneous monitoring of all the wireless cam-munication networks in the region.

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在分析音频解码标准MP3和AAC及其实现方案基础上，提出了基于FPGA的支持多制式的音频解码算法设计方案。将分步查表法引入霍夫曼解码，并提出了无乘法器的反量化变换及可兼容的IMDCT变换算法的FPGA实现方案。板上测试验证表明，该方案可准确完成多制式音频的解码，并提高解码速度与精度。
The audio encoding standards (MP3 and AAC)and their implementation schemes are analyzed.The FPGA design scheme is proposed to support the audio decoding algorithm with multi-standards.The substep lookup table algorithms introduced to implement Huffman decoding on hardware.A FPGA-based scheme,supporting multiplier-less inverse quantization and config-urable IMDCT,is proposed.The experiments on demo board show that proposed scheme finish the decoding tasks with higher speed and accuracy.

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介绍了一种采用单片高速数模转换器AD9788实现将多业务数字分布系统中两种不同制式多载波数字基带信号转换成模拟中频信号的实现方案，该方案具有较强的实用性和参考价值。
Using single high-speed DAC AD97788 , an implementation of coverting two different formats ’ multicarrier digital baseband signal into an analog IF signal was proposed , the proposed implementation has better practical and reference values .

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制袋机目前由单列单制式发展到双列多制式，由自动化设备向智能化设备发展。随着制袋机设计制造技术的发展，需要设定的系统参数也更多更复杂，依靠熟练工人的经验设定制袋机参数已不能已满足智能化设备的需要。通过引入人工智能技术，采用范例推理的方法实现简单快速并且高质量的系统参数设定，在此基础上可进一步对制袋机的参数进行智能调整，实现制袋机参数设定的智能化。
A bag making machine,a popular mechanism for manufacturing various bags,has recently expand from automatic equipment to intelligent device. Along with the development of the advanced design and manufacturing technology, the corresponding system parameters become rather tricky to determine . Thus,traditional parameters settings relying simply on skilled workers have been relatively insufficient to meet the needs of intelligent devices.In view of this, this paper examines a new measure of parameters settings in bag making machine design based case-based reasoning which overcomes the difficulties found in original parameters settings with speediness and high quality,thereby achieving the intellectualization of parameters settings in bag making machine.

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本文分析了TD-LTE室内分布系统场强设计的基本问题,在链路预算分析的基础上,通过考虑室内外小区的协同覆盖,多制式共用室内分布系统的需求、电磁覆盖标准限制因素等多方面因素分析,确定合理的场强设计要求。
This paper analyzed the basic problems of field-strength design for TD-LTE indoor distribution system, on the basis of link budget analysis, considering the collaborative coverage of indoor and outdoor areas, analysis of multi-system indoor distribution system needs, the criteria constraints of electromagnetic coverage and other factors, to determine the reasonable design requirements of the field-strength.

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提出一种基于仿真测试平台的TD-LTE多模终端CSFB性能测试方案。该方案采用主控制器与多系统模拟器相结合的硬件架构,由系统模拟器真实模拟TD-LTE/TD-SCDMA/GSM多制式的网络环境,主控制器通过执行脚本文件控制具体的测试流程。实例测试结果表明,该方案能够准确测量CSFB呼叫时延等参数,从而直观地反映被测终端的性能水平。
In order to carry out CSFB performance testing for TD-LTE multi-mode terminals,a simulation test platform is proposed.The test system adopts the hardware structure which com-bines a main controller and several multi-system simulators,in which system simulators are used to simulate TD-LTE/TD-SCDMA/GSM multi-standard wireless network environments and the main controller is used to control test process by executing script files.Test results show that the system can accurately measure parameters such as CSFB call delay to intuitively reflect perform-ance levels of terminals.

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随着经济的发展，世界铁路多种电流制式电力机车跨界运输越来越常见，地区铁路与城市轨道交通互通连接也成为一种发展趋势。但国内对双流制电力机车的研究还处于起步阶段。文章介绍了三种欧洲典型的多流制电力机车主电路拓扑结构和主要特点，并进行了简要的对比和分析。
With the development of economy ,the world railway multiple current system electrical locomotive cross -border transporta-tion is more and more common ,regional railway and urban rail transit also has become a development trend of each connection .But the domestic study of multiple current system electrical locomotive is still in its infancy .This paper introduces the three kinds of typical Eu-ropean multi-current system of electrical locomotive main circuit topology structure and the main features ,and a brief comparison and analysis .

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室内分布系统是目前和未来运营商网络建设的重点,而共建共享方式是未来建设的重要手段。通过比较目前实现多制式室内分布系统共建共享技术方案的特点,给出了引入LTE系统后的建设方案,同时还研究了共建共享建设模式下的室内分布系统后期维护管理等关键问题。
Indoor distributed system is the focus of network constructions for operators at the present and in the future, while the mode of co-construction and sharing is the important means in future constructions. Comparing the features of existing technical schemes of multi-mode indoor distributed system based on co-construction and sharing, the construction scheme after introducing LTE system is presented. In the meantime, later maintenance and management of indoor distributed system in the mode of co-construction and sharing are analyzed.

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