The performance evaluation functions of the four types of measure criteria: normalized minimum variance, fidelity, correlation, information rate are given respectively, and their relationship are analyzed theoretically.
阐述了图像质量客观度量准则的概念,给出了4种典型客观度量准则:归一化最小方差、保真度、相关度和信息率的性能评价函数,理论推导了它们之间的相互关系;针对光电成像系统的能量分辨率损失和空间分辨率损失仿真图像,计算并比较了4种客观度量的输出结果,验证了客观度量函数在性能评价中的合理性。
In addition,an effective algorithm to improve them for higher average information rate is proposed.
并对这些方案提出了改进算法,从而得到具有更大的平均信息率的新方案。
This scheme can detect the cheaters more effectively,with the probability of cheating 1/ q 2 and asymptotically optimal information rate 1/3.
提出了一个密钥空间为有限域GF(q)的安全的矢量空间秘密共享方案 ,该方案能更有效地防止欺诈 ,欺诈成功的概率仅为 1/q2 ,信息率是渐进最优的 ,其值为 1/3。
Computing the η coefficient and information ratio, we rank the performance of fifty-two closed-end funds in China were ranked.
通过引入相对效率比—— η系数 ,改进了 Matthew&Richard的基准—有效边界方法 ,进而通过计算 η系数和信息率对我国 5 2只封闭式基金业绩进行排名。
This paper studies the relation between optimizing information ration and TEV ceiterion.
本文首先研究信息率的优化和 TEV准则的关系 ,然后 ,以此为基础研究了优先考虑信息率最大化的证券组合投资决策方法。
The hypothesized enterprise is a kind of new organization form,which has the information efficiency superiority that traditional enterprise is incomparable with.
虚拟企业是一种新型的组织形式,它具有传统企业所无法比拟的信息效率优势。
The conclusion is that whether the insider trading improves the information efficiency is depended on the information disclosure and regulation policy.
考虑内幕交易者往往承担着信息披露义务这一因素,分析了在信息披露义务约束下内幕交易者的内幕交易行为及信息披露行为,认为信息披露与监管制度是否严格有效是内幕交易能否促进信息效率的决定因素。
Based on an empirical study, this paper points out that the issuing prices of China s IPOs are comparatively reasonable and have embodied the information efficiency to some extent because much information and many factors are considered , such as the issuing.
本文通过实证研究发现,我国新股发行价格基本反映了新股发行量、发行前市场景气度、归属行业、盈利因子F1及规模因子F4等因素或信息,具有一定的合理性,新股发行定价具有一定的信息效率。
Passive locating of maneuvering target with frequency information;
带频率信息的机动目标被动跟踪
Application of frequency information to the prediction of hydrocarbon potential in carbonate reef flat reservoirs;
频率信息在碳酸盐岩礁滩储层含油气性预测中的应用
Full use is made of the altitude and frequency information of the echoes, and the ability of in.
提出了一种舰炮无线电引信信号处理电路的设计思想 ,该设计思想能充分利用回波信号的幅度信息和频率信息 ,使信息处理和抗干扰能力达到一种新的水平 。
Mutual information rate and analytic constraint in linear time invariant control systems;
线性时不变控制系统中的互信息率和解析约束
Uncertain SISO linear control systems with additive noise were investigated using the measure of Shannon mutual information rate.
从考察具有外加随机噪声的单变量线性控制系统中的信息传输出发,研究了干扰输入和输出间的互信息率,并得出了互信息率与最小熵H∞控制理论中的性能函数——系统闭环传递函数H∞熵之间的关系,指出闭环传递函数的H∞熵是系统抑制干扰的可达性能(以互信息率为指标函数)的上界,探讨了控制系统中H∞熵的信息论意义。
By utilizing contrast means of signal-to-noise ratio, cross-correlation coefficient and mutual information rate, in order to simulate ability of cerebrum system in signal detection, stochastic resonance in EEG dynamics model was studied.
为了模拟大脑系统中检测信号的机制,提出使用信噪比、互相关系数、互信息率对比评价方法,对EEG动力学模型中随机共振现象进行了研究。
A fault diagnosis method for power systems based on Petri nets and probability information is presented, which includes the modeling of fault diagnosis system and the decision making technique of diagnosis analysis.
提出了一种基于Petri网和概率信息的面向电力系统故障诊断问题的建模和诊断分析方法。
Secret Sharing Schemes-Constructions,Impementations and Information Rate
秘密共享体制——构造、实现与信息率
extra user information delivery probability
额外用户信息传递概率
block error rate
信息组差错率;信息组错误率;码组差错率;块出错率
On the Value of Information by Discussing Anterior Probability & Posterior Probability;
由先验概率和后验概率谈信息的价值
a system of measurement of information based on the probabilities of the information-bearing events.
信息测量制,以承载信息事件的概率为基
Influence of information processing ability on human-information system interaction efficiency;
信息加工能力对人-信息系统交互效率影响
Information Revelation and Capital Market Efficiency:Information Efficiency and Allocative Efficiency;
信息揭示与资本市场效率——信息有效与配置有效
Influence Mechanism of Matching on Human-information System Interactive Efficiency Within Enterprise Computerization Environment;
企业信息化环境下人-信息系统交互效率
Interest Rate Risk Premium: Ex - post and Ex - ante Methods
中国利率期限溢酬:后验信息法与先验信息法
News-Driven,No-News-Driven Innovations and Volatility Asymmetry
有信息冲击、无信息冲击与波动率非对称性
Newspaper facsimile signal is a two-level high resolution ratio high rate signal and contains a large number of informations.
新闻报纸传真信号是一种高分辨率、高速率和大信息量的两值信号。
PULPP (Peripheral Ultra-Low Power Processor)
外部超低功率信息处理机
This page is for administration of portal usage statistics.
此页面用于门户使用率统计信息管理。
Can Information Heterogeneity Explain the Exchange Rate Determination Puzzle?
信息异质性能否解释汇率决定问题？
Established an efficient MIS.
建立了高效率的管理信息系统。
Probability and Information Theory with Application to Radar
《概率论、信息论及其在雷达中的应用》
Height Reconstruction Using Multifrequency InSAR Data;
多频率InSAR高程信息重建算法研究
Agency, Information and Inefficient Investment of Chinese Listed Companies;
代理、信息和中国上市公司非效率投资