三值命题逻辑随机化的注记

通过引入随机化映射和真度权函数等概念,提出了三值命题逻辑系统中公式的随机真度的等价定义,给出了随机真度的推理规则,研究了随机度量空间上逻辑运算的连续性等问题,为在三值命题逻辑系统中进行近似推理提供了另外的方法.     

逻辑系统L~＊中公式的随机真度

在赋值格为[0,1]的模糊逻辑系统L＊中,利用序结构和赋值集的随机化方法提出了公式的随机真度,引入公式间的随机相似度和伪距离,导出随机真度和伪距离的若干性质,证明了随机逻辑度量空间中逻辑运算的连续性,拓宽了随机真度的近似推理理论的研究思路.     

四值非全序逻辑系统中公式的条件随机真度

基于条件概率的思想,利用赋值集的随机化方法,在四值非全序逻辑系统中引入公式的条件随机真度,证明了条件随机真度的MP规则和HS规则.引入公式间的条件随机相似度和条件伪距离,建立了条件随机逻辑度量空间,推导出条件伪距离的若干性质,证明了条件随机逻辑度量空间中逻辑运算的连续性,并初步研究了给定条件下的近似推理理论.     

相干分析技术优化及应用

常规相干技术的应用可以有效的去除地震噪声、增强反射轴的连续性。但是,面对煤矿解释精度的要求不断提高,面对大倾角,小断距断层,常规相干技术已不能满足解释的需要,因此,本文针对目前解释要求不断提高的现状,力图通过各种方法对相干属性优化,主要包括合理选择时窗、尺寸;引入倾角/方位角滤波技术;中值倾角滤波技术;特别的,常规相干技术仅基于原始数据体提取相干。此次研究,作者试图基于滤波数据体再次提取相干属性,取得初步成果,提高相干属性的利用率和解释精度。从而为构造解释,特别是小断层构造解释提供依据,提高解释精度,为煤矿安全生产提供保障。     

模糊命题逻辑L*中公式的条件随机真度

在赋值格为[0,1]的模糊逻辑系统L*中,基于条件概率的思想和赋值集的随机化方法提出了公式的条件随机真度,证明了条件随机真度的MP规则和HS规则。引入公式间的条件随机相似度和条件伪距离,建立了条件随机逻辑度量空间,推导出条件伪距离的若干性质,证明了条件随机逻辑度量空间中逻辑运算的连续性,并初步研究了给定条件下的近似推理理论。     

算术逻辑运算单元的设计与仿真

本文利用Verilog硬件描述语言并采用结构化建模方法设计了一个算术逻辑运算单元，并对其进行了仿真测试。该算术逻辑运算单元的字长为32位，能够实现加法、减法、逻辑与、逻辑或四种运算，并产生相关的标志位。仿真结果表明该算术逻辑运算单元的功能是正确的。     

带时滞正倒向随机微分方程的适定性

研究了带时滞正倒向随机微分方程的适定性问题．应用连续性方法,在一定单调性条件下证明了带时滞正倒向随机微分方程解的存在唯一性．     

用光折变晶体桥式互泵浦相位共轭实现光逻辑运算

报道一种利用光折变晶体桥式互尕浦相位共轭实现与、或、非、或非等光逻辑运算的方法。该方法的逻辑门输出信号具有相当大的信噪比（逻辑1／0）,这些逻辑运算可以组合起来构建更复杂的逻辑系统。     

交通事故分析定性推理方法

定性推理是人工智能研究的新领域,广泛用于物理过程的解释。文章首先简述了定性推 理的基本原理,然后利用QSIM算法进行了汽车追尾过程的定性推理,最后指出应用模式匹配的 方法可以断定某一具体汽车追尾交通事故的原因。     

关于法律解释的原则与方法的几点思考

社会的发展让人们逐步认识到法律解释的重要性,对于法律解释的定性存在着法律决定论和法官主观论两种对立的立场,由此又导致了原则与规则适用的不同,为了解决疑难案件,就要进行必要的法律解释。法律解释方法多种多样,主要有文义解释、体系解释、目的性解释以及其他解释。     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that