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找到报告 2978 篇 当前为第 297 页 共 298

所属行业:仪器仪表制造业

  • 2961.动物机器人新型智能监控系统设计

    [仪器仪表制造业] [2013-10-15]

    利用USB通信和无线通信,设计了新型动物机器人智能监控系统.系统由PC监控软件、信号发射器、接收控制器等部分组成.与以往系统相比,该系统不仅可实现动物机器人行为控制,还可实现行为监测以及环境数据实时采集,具有微体积、微功耗等特点.经动物实验表明,该系统通信可靠、工作时间长、控制准确、操作方便、数据采集精确,将为动物机器人的实时监控提供有力的技术支持.
    关键词:动物机器人;智能监控;行为控制;脑机接口
  • 2962.航空遥感运动补偿用POS高阶误差模型的建立与分析

    [仪器仪表制造业] [2013-10-15]

    位置姿态系统(position and orientation system,POS)作为航空遥感中运动补偿的通用载荷,其精度直接影响成像质量.为提高POS的定位定姿精度,在15维传统误差模型的基础上考虑了陀螺和加速度计的刻度因子误差和安装误差的标定残差对POS精度的影响,并使用随机常值、一阶马尔科夫过程表示陀螺随机漂移和加速度计随机偏置,建立了一个39维的高阶误差模型.为了评价该模型的准确性和实用性,将其与其他的误差模型比较,进行了POS与相机的联合飞行实验.实验结果表明,基于39维高阶误差模型的POS精度较其他的误差模型有明显提高.
    关键词:位置姿态系统;高阶误差模型;卡尔曼滤波器;可观测度
  • 2963.基于谐波小波和Prony算法的转子不平衡信号提取

    [仪器仪表制造业] [2013-10-15]

    高精度动平衡测量系统中的信噪比很低,尤其是在邻近频率干扰背景下,常规的快速博里叶变换(fast Fourier trasformation,FFT)等方法无法准确提取不平衡信号.提出一种基于谐波小波和Prony算法的不平衡信号提取方法,先采用自适应谐波小波带通滤波提高信噪比,然后以滤波后的数据作为样本,采用Prony算法识别不平衡信号的幅值和相位,有效解决了邻近频率干扰导致的不平衡信号无法准确提取的问题.仿真和实验结果表明,该方法具有精度高、重复性好等优点,特别适合于信噪比较低的高精度动平衡测量系统中.
    关键词:不平衡信号;谐波小波;Prony算法;邻近频率干扰
  • 2964.基于多类超球支持向量机的铣削颤振预测方法

    [仪器仪表制造业] [2013-10-15]

    为了预测薄壁件铣削过程颤振的发生,提出了一种应用小波系数特征和多类超球支持向量机进行铣削颤振预报的方法.首先基于连续小波变换分别提取高、低频段铣削振动信号的特征,然后利用多类超球支持向量机进行稳定铣削状态、铣削颤振孕育状态、铣削颤振状态识别.为了简化支持向量机进行多类分类时所带来的计算复杂性,该算法使每一类样本都获得一个超球支持向量机,在特征空间中以测试样本与超球中心距离、超球半径作为决策函数来进行识别.实验表明,在铣削颤振识别系统中多类双核超球支持向量机与连续小波系数特征向量相结合具有良好的识别效果,颤振孕育预报正确率达98.0%.
    关键词:颤振预报;小波系数;超球支持向量机;多类支持向量机
  • 2965.环球在线气体分析仪市场报告(2012-2016年)

    [仪器仪表制造业] [2013-10-02]

    Gas analyzers are instruments that analyze a mixture of gases to measure the physical and physiochemical properties of the gas mixture. These instruments are also used to detect the gas composites and monitor the level of each gas present in the gas mixture. Gas analyzers can be categorized into two types, namely online and offline gas analyzers. Online gas analyzers provide faster and more efficient analysis and outputs than offline gas analyzers. These analyzers are widely used for environment monitoring applications to monitor the greenhouse gases and other pollutants emitted by manufacturing plants. Online gas analyzers are also used across various industries to monitor air pollutants in order to meet the regulations implemented by several governments across the world.
    关键词:气体分析仪;分析测量;混合物;工具
  • 2966.智能传感器发展潜力巨大年营收将达69亿美元

    [计算机、通信和其他电子设备制造业,仪器仪表制造业,信息传输、软件和信息技术服务业] [2013-08-30]

    关键词:智能传感器;传感器网络
  • 2967.全球光谱市场报告(2012-2016年)

    [仪器仪表制造业] [2013-08-27]

    Spectroscopy is a technique that is used to analyze the elements or compounds found in substances. This analysis is conducted with the help of spectral instruments by measuring the radiation intensity as a function of the wavelength. The spectral instruments used in spectroscopy are referred to as spectrometers or spectral analyzers. It can be used to determine the mass, structure, and composition of the substance under consideration. Spectroscopy analyzes the substances in the most effective way and produces accurate results. These results are helpful in yielding technological innovations in various areas such as pharmaceutical research, scientific research in biotechnology and life sciences, and industrial processes that include automotive, semiconductor, and metal mining applications.The Global Spectroscopy market is expected to grow at a moderate rate during the period 2012-2016. In terms of regional distribution, the Americas dominated the market, accounting for the highest share of the total revenue in 2012. The Americas was followed by the EMEA and the APAC regions. The overall market is forecast to grow at a CAGR of 5.2 percent during the forecast period.
    关键词:光谱仪器;光谱技术;分析物质;元素;化合物
  • 2968.行业趋势分析——地质勘探和地震专用仪器制造行业

    [仪器仪表制造业] [2013-08-13]

    本报告是独特的研究中国各行业的工具。它包括对宏观环境的描述、对投资吸引力的分析、详细的收入分析以及对广泛的财务比率的深度分析。
    关键词:地质勘探;地震专用仪器;趋势分析
  • 2969.中国市场在线气体分析仪报告(2012-2016年)

    [仪器仪表制造业] [2013-07-02]

    A gas analyzer is an instrument that analyzes a mixture of gases to measure the physical and physiochemical properties of the gas mixture. It is also used to detect the gas composites and monitor the level of each gas in the gas mixture. Gas analyzers can be categorized into two types: online and offline gas analyzers. Online gas analyzers provide faster and cheaper analysis and outputs than offline gas analyzers. Online gas analyzers are widely used for environment monitoring applications to monitor the greenhouse gases and other pollutants from manufacturing plants.China is one of the key leading countries in the Global Online Gas Analyzer market. The market is growing faster in China than in many developed and developing countries because of the emergence of various process manufacturing industries in China. The Online Gas Analyzer market in China is expected to grow at a CAGR of 12.81 percent during the period 2012–2016.
    关键词:气体分析仪;在线气体分析仪;离线气体分析仪
  • 2970.中国科学仪器市场报告(2011-2015年)

    [仪器仪表制造业] [2013-06-20]

    Scientific instruments provide an efficient, accurate, easy and cost-effective method for measuring quality-related parameters. There are several types of scientific instruments such as automotive instruments, electricity instruments, special purpose instruments, navigational, meteorological and marine instruments, environmental control instruments, and geological prospecting and earthquake instruments. These instruments are adopted by companies across the industries for applications such as superior product development and to take the necessary operational measures based on the findings of the scientific instruments. Furthermore, scientific instruments from China are exported to countries across the globe as they are more cost-effective than the scientific instruments available in other countries.The Scientific Instrument market in China is one of the steadily growing Engineering markets in China because of the increasing adoption of scientific instruments across China. East China dominates the Scientific Instrument market in China and it is followed by Middle-south China.Overall, the market is expected to witness an improvement in its growth rate and post a CAGR of 10.89 percent during the period 2011–2015.
    关键词:科学仪器;工程市场;增加产品质量
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