量化策略

量化策略量化策略
  1. 基于改进量化策略的XYZ视频编码

    XYZ Video Coding Based on Improved Quantization Policy

  2. 仿真结果表明,通过整定Ke的值和选择合适的量化策略能够明显减小模糊控制器的稳态误差。

    Simulation indicates that choosing a proper ' ke ' parameter and a proper quantization strategy of ' zero ' in the discrete domain of error can smaller the steady error obviously .

  3. 该算法在时域进行段分类,依据不同分类效果在DCT域添加不同强度的随机序列作为稳健水印,再通过实施适当的量化策略,实现在稳健水印的基础上加入易损水印。

    In this scheme , segment classification is used in the time domain , then the robust watermarking with different strength are embedded into the parts of low frequency DCT parameters in different audio segment according to the classification results .

  4. 量化策略对卫星导航系统接收机相关网络输出影响

    Analysis of the Quantizing Effects on GNSS Receiver Correlation Net

  5. 基于人眼视觉系统的误差分布反馈量化策略

    Error Distribution Feedback Quantization Scheme Based on HVS

  6. 本文线性地模拟色调的变化,在色调的过渡区域,给出了一种模糊量化策略。

    A fuzzy quantization strategy is proposed to linear simulate the transition between two hues .

  7. 第三阶段为决策阶段,即形成量化策略规划矩阵。

    The third stage is the decision-making , which is the formation of quantitative strategic planning matrix ( QSPM ) .

  8. 提出一种渐变式阈值选择与量化策略,以适应信号与噪声特点。

    To fit in with the features of signal and noise , a strategy of gradual changing threshold selection and quantization was presented .

  9. 通过对约束满足与约束冲突的分析,提出了约束求解的定量化策略基于变量不确定性,量化了约束满足程度与约束冲突程度,解决了约束求解过程中的优先权问题;

    Based on analyzing constraint conflict , a quantified strategy for solving constraint problem is presented . Quantified degree of constraint satisfaction and conflict are introduced to rank the priority of constraint solving ;

  10. 同时,对不同的视频编码块类型,采用不同的量化策略,避免了统一量化引起的图像质量下降。

    Meanwhile , this scheme uses different quantization strategies according to the differences of the types of video blocks to be coded , and avoids the loss of the quality of images with the unified quantization .

  11. 本文从减少网络通信负载和对复杂场景下运用滤波算法进行跟踪定位处理的角度出发,主要进行如下工作:第一,提出了一种基于最优量化策略的多比特量化卡尔曼滤波算法。

    The following work had been done mainly on the perspective of reducing the network communication load and handling the tracking and locating problem in complex situation . Firstly , a kind of optimal quantization strategy based on quantized Kalman Filter was proposed .

  12. 因此必须系统制定数字营销策略,指导汽车行业数字营销的开展,本文讨论了销售引导策略、客户关系管理策略、品牌建设策略、营销过程及绩效指标量化策略及持续改进策略。

    It is necessary to systematically develop digital marketing strategies to guide the auto industry to carry out digital marketing . This paper discusses sales lead strategy , customer relationship management strategy , brand building strategy , performance indicators strategy and continuous improvement strategy to quantify strategies .

  13. 低码率下MPEG-2自适应量化控制策略

    Adaptive Quantization Algorithm for MPEG 2 in Low Bit Rate

  14. 其次,在引入稳定性和设计质量的量化度量策略并进行了UML的五个元模型版本的度量实践之后,给出了度量结果的评估及与相关主观性研究的对比。

    Secondly , a quantitative method , measuring the stability from the internal perspective and design quality from external perspective , is applied to assess 5 UML meta-models . The results of the assessment are then analyzed in comparison with related subjective comments on UML evolution .

  15. 标杆管理量化实施策略以物流企业作为标杆管理的实施对象,在分析常规Benchmarking实施的方法与步骤的基础上,阐述了针对我国目前物流企业标杆管理的基本思路。

    Quantification Implementing Strategy of Benchmarking . Taking logistics enterprise as Benchmarking implementing object , it is expatiated on basic idea for present our country logistics enterprise Benchmarking , based on analyzing general Benchmarking implementation method and step .

  16. 自定量化目标策略对排球教学效果的影响

    Research on the Influence of Tangible Self-Set Goals in Volleyball Teaching

  17. 国内股指期货上市,融资融券业务、国债期货的推出以及期权的筹备,使得量化投资策略的实现有了一定的基础。

    In recent years , Chinese government implements the stock index futures , security margin trading and emulation trading of treasury bonds futures as well as options , which lay a solid foundation for quantitative investment .

  18. 在此契机下,以追求绝对收益为目标的量化投资策略得到广泛关注,并快速发展。

    At this time , quantitative investment strategies , in the pursuit of alpha return , have been caught more attention . Having learned from experiences abroad , the number of native quantitative trading funds is growing fast .

  19. 采用自定量化目标的策略,男生获得的成绩要显著好于女生,而且学习的技术难度越大,男生的优势就越突出。

    Boys had better performance than girls ' by establishing tangible self-set goals .

  20. 量化层融合策略的理论分析中得到的一系列结论在实验中也得到了验证,实验结果基本符合。

    The conclusions from theoretical analyses are proved by these experiments , and accord with experiments results .

  21. 就研究方法而言,本文的定量分析相对还不充分,在后续的研究中,结合定量的分析和适当的模型构建,将可以提出针对中国移动的更加量化的竞争策略。

    The following research can propose more specific competition strategies for CMCC by combining with quantitative analysis and appropriate model building .

  22. 结果表明:(1)在体育课上采用自定量化目标的策略,能显著地激发学生的内部动机。

    Results indicated : ( 1 ) In physical education , establishing tangible self-set goals could obviously inspire students ' intrinsic motivation .

  23. 最后,本文在多处理器系统及相应的并行转码结构下,提出了一种结合上述量化参数映射策略与码率控制方法的自适应质量码率联合控制方案,以满足不同转码应用的需求。

    In the end , we proposed an adaptive joint quality-rate control scheme for various applications based on the parallel transcoding structure on multiprocessor system .

  24. 食品卫生量化分级制度推行策略研究

    Study on Tactics to Pursue Quantitative Graded Management in Food Services

  25. 量化感染与抗菌策略对慢性阻塞性肺病急性发作患者预后的影响

    Influence of grading infection and antimicrobial strategy on the clinical outcome of patients with chronic obstructive pulmonary disease at acute stage

  26. 为了更进一步地定量化分析设计改进策略,对环境意识设计改进的两个重要内容:材料选择与面向回收的设计改进进行了研究。

    To analyze the design improvement strategies quantitatively , environmentally conscious material selection problem and redesign improvement and optimization for recycling as the two important parts of ECDI , are discussed especially .

  27. 由于期货的杠杆性,风险比股票市场高很多,因此以程序化和量化投资为核心策略的交易将成为资产管理业务主要的投资方式,以追求稳定的收益。

    Futures market is more risky than stock market due to its leverage . Therefore , to pursue steady profits , trading strategies based on programing and quantitative investing will be main products of asset management business .

  28. 现有量化调制音频水印技术普遍采纳了均匀量化策略,其不仅需要结合大量实验确定量化步长,而且难以保证不可感知性与鲁棒性的良好平衡。

    Uniform quantization strategy has been widely adopted by currently available quantization modulation techniques of audio watermarking . It not only needs to ascertain the quantization step with massive experiments , moreover it 's difficulty in guaranteeing the fine balance between the transparency and robustness .

  29. 该文提出了一个基于分块DCT和量化的图像盲水印算法,将水印根据量化策略嵌入块DCT系数的DC分量中。

    This paper proposes a blocked DCT and quantization based blind image watermark algorithm .

  30. 一般,传统的方法需要在做量化之前计算数据的R-D特征值,以确定量化策略,计算复杂度高。

    Traditional approaches are so complex because they require the R D characters of input data to be measured before making quantization assignment decisions .