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P2P_query_arithmetic
- 查询扩展是解决信息获取领域中用词歧义性问题的关键技术,并被广泛应用于搜索引擎中,获得了巨 大的成功.然而,由于P2P(peer-to-peer)系统是一个分散的、动态的系统,在P2P 环境下进行有效的查询扩展具有 一定的挑战性.首先,利用查询与文档的关联关系构建了LEM(local expansion method)查询扩展方法 然后,基于 查询与文档用词的直接关联,提出了HEM(history_based expansion method)查询扩展方法.在此基础上,提出了一 种
HuffmanTreeDoc
- 设一段电文中有不同出现频率的字符,为了提高电文的输入和翻译效率,必须有一套简短而又不会产生歧义的字符代码。试根据哈夫曼算法,对电文中的不同字符,构造出一棵哈夫曼树,对每个字符进行编码。-Set a message in the frequency of different characters, in order to enhance the message of the input and translation efficiency, we must have a brief charact
happy
- 编译原理词法分析器的功能是利用函数之间的递归调用模拟语法树自上而下的构造过程。 改造文法:消除二义性、消除左递归、提取左因子,判断是否为LL(1)文法 -Compiler theory lexical analyzer function is to use recursive function calls between the simulation process of constructing the syntax tree from the top down. Transforma
compensation-of-dead-time
- 交流伺服系统中的死区效应分析与补偿分析了逆变器的死区效应产生的原因及其对交流伺服系统控制性能产生的影响,指出死区补偿的关键 在于电流相位的获取,为了克服实际系统中电流零点的模糊性,提出了一种基于两相静止坐标系下的前馈死 区补偿方法. 该方法通过对三相输出电流一个周期内补偿电压进行傅里叶变换,发现仅需补偿1 ,5 ,7 次谐波 分量即可消除死区效应. 仿真和试验结果验证了这种方法的正确性和可行性.-AC servo system analysis and compensation of
sonar1
- 主动声纳 混响抑制 模糊度函数 多普勒 【摘 要】 波形设计是影响主动声纳探测性能的重要因素。推导了SFM信号的模糊度函数,根据模糊度函数分析了SFM信号在混响背景下的检测性能,并与CW、LFM信号进行了比较。理论分析与湖上试验验证了在中等多普勒情况下SFM信号抗混响能力最优的结论。本项研究为主动声纳发射波形选择提供了参考。 -Active sonar reverberation suppression ambiguity function Doppler Abstract w
35Improv-word-segment-
- 一种改进的中文分词歧义消除算法研究 做中文分词统计语言模型的参考资料-An improved Chinese word segmentation ambiguity elimination algorithm research Do the Chinese word segmentation statistical language model reference material
The-LAMBDA-method-
- GPS的整周模糊度求解方法--去相关最小二乘法,里面包含一些实用的程序和相关的详细的讲解,值得一下。-GPS-ambiguity solving method- decorrelation method of least squares, which contains some useful procedures and related in detail, it is worth it.
Real-time-PPP
- 给出了PPP定位的设计方案和方法,2011年导航年会论文,下载需要25$-The CNES Real-time PPP with undifferenced integer ambiguity resolution demonstrator
GPS
- GPS整周模糊度解算方法探讨,研究了整周模糊度的确定和载波相位测量中的关键问题-GPS integer ambiguity solution method discussed, studied and carrier phase measurements to determine the integer ambiguity of the key issues
radar
- 分析了混沌非周期截短效应对雷达模糊函数影响;计算了基于四个映射的载波幅度调制混沌雷达信号的模糊函数 -Analysis of the effects of chaotic non-periodic truncation effects on radar ambiguity function calculated based on radar signals modulated chaotic carrier amplitude four fuzzy mapping function
LFMCW-analysis
- 对称三角线性调频连续波信号模糊函数分析Symmetrical triangular linear frequency modulation continuous wave signal ambiguity function analysis-Symmetrical triangular linear frequency modulation continuous wave signal ambiguity function analysis
Advances-in-ambiguity-resolution
- Advances in ambiguity resolution for RTK applications using the new RTCM V3.0 Master-Auxiliary messages
CORS-ambiguity-solver
- CORS reference station network ambiguity solver and modeling of atmospheric error
short-baseline-RTK
- Application of carrier phase constraint integer ambiguity in short baseline RTK
eliminate-ambiguity-
- A new algorithm to eliminate the ambiguity of GPS
SIFT_Matlab_global-context
- SIFT特征检测算法改进,SIFT描述子加入全局向量,对局部信息相似度高的图像检测的误匹配剔除有明显改进-This paper presents a technique for combining global context with local SIFT information to produce a feature descr iptor that is robust to local appearance ambiguity and non-rigid transformation
Structured-Sparsity-Models
- 用于混响背景语音分离的结构稀疏模型(Strutured sparisty model)方法-To further tackle the ambiguity of the reflection ratios, we propose a novel formulation of the reverberation model and estimate the absorption coefficients through a convex optimization exploiting