判别式

pàn bié shì
  • discriminant;criterion
判别式判别式
判别式[pàn bié shì]
  1. 基于Fisher线性判别式的层次文档分类

    Hierarchical Document Categorization Based on Fisher Linear Discriminant

  2. 实验结果表明半监督学习自适应谐振理论系统的性能优于判别式CEM算法,特别是在含有噪音和新模式数据情况下,其优势更为明显。

    Experimental results illustrate that the performances of the proposed system is better than the discriminant CEM ( classification expectation maximization ) algorithm , particularly when there are noise data and new patterns .

  3. 回热器对跨临界CO2水源热泵的影响判别式及实验研究

    Criterion of CO2 transcritical water source heat pump with IHX and experimental study

  4. Hill方程稳定性的一个判别式

    On stability of Hill equations

  5. 提出一种基于核Fisher判别式分析的掌纹代数特征的提取方法。

    Propose an extraction method of palmprint algebraic features using kernel Fisher discriminant analysis .

  6. 建立了一个烧结BAS凝胶玻璃形成的判别式,计算了在实验成分范围内,玻璃形成区与析晶区的边界线。

    A criterion for glass formation in the studied system was established .

  7. 利用支持向量机和马氏判别式预测人类polⅡ启动子

    Human pol ⅱ promoter prediction using support vector machine and mahalanobis discriminant

  8. 基于奇异值分解和判别式KL投影的人脸识别

    Face Recognition Based on Singular Value Decomposition and Discriminant KL Projection

  9. 而线性判别式分析(LDA)对山茶油和芝麻油的掺假都有较好的检测效果,并优于PCA方法。

    Linear discriminant analysis ( LDA ) is more effective than PCA , which can be used in adulteration detection of both camellia seed oil and sesame oil .

  10. 依据Kolmogorov定理,由该判别式得出求解FNN隐层层数和每个隐层神经元个数的具体算法。

    Depending on Kolmogorov theorem , a particular algorithm of determining quantity of hidden layers and ANN each layer is drawn from the discriminant .

  11. 通过对图解方法的分析,提出了逆Nyquist阵对角占优的解析判别式,简化了多变量频率域鲁棒性分析和设计。

    To decrease the complexity of frequency-response-based analysis and design , based on graphics method of inversion Nyquist array , an approximate criterion is developed .

  12. 其次通过比较预估值和来自IRST的目标观测值建立了一组检测目标机动的判别式;

    Secondly , a set of discriminants for detecting target maneuver are established by comparing the predicted values with the observations from IRST .

  13. 本文分析了影响涵洞水流流态的各种因素,根据水力模型试验成果讨论涵洞结构形态变化对过涵水流流态判别式的影响,提出了对现行判别式中K值的修正方法。

    Various factors influencing culvert flow pattern discriminant are analysed . Based on the results of hydraulic model experiment , influence of the change of culvert structure shape on flow pattern discriminant is discussed . Methods of correcting " K " in flow pattern discriminant are proposed .

  14. 对Barkan的远场判别式的合理性进行了讨论。

    The rationality of Barkan 's discriminant for the far - field is discussed .

  15. 然后通过对矿井通风系统故障过程及其改善和劣化状态的分析,建立了基于两参数的Weibull过程故障率函数,给出了系统故障过程改善和劣化的判别式;

    And then set up failures rate function based on the Weibull process with two parameters , present the discriminator about failures process advancing and breaking down of it by mean of analyzing the ventilation system failures process and its recovery and worsen states ;

  16. 本研究提出了利用事件相关脑电复杂度提取大脑运动意识特征,应用Mahalanobis距离判别式分析法,对人脑想象左右手运动任务进行分类,获得了满意的结果。

    The method extracting brain motor consciousness feature by event-related EEG complexity was proposed in this paper . Applying Mahalanobis distance discriminant analysis to distinguish the left and right hand motor imaginary tasks , the satisfactory results were obtained .

  17. 提出具有有限状态、离散时间序列的Markov链作为程序的使用模型和测试模型,使用Kullback判别式作为测试链收敛到使用链的判断准则,从理论上证明了测试链到使用链收敛的必然性。

    A Markov chain with finite state , scattered time sequence is put forward as the usage model and test model of the program . The Kullback discriminant is used as the convergence judgment criteria of the test-chain to usage-chain , and the inevitability of the convergence is testified theoretically .

  18. 将文档按照主题进行层次分类,利用Fisher线性判别式的思想来提取每一类的正特征词和负特征词,给出基于Fisher线性判别式的层次文档分类算法(HDCF)。

    To categorize documents hierarchically according to their topics , the thought of Fisher linear discriminant is utilized to get positive feature words and negative feature words in each category , and the algorithm of a hierarchical document categorization is given based on Fisher linear discriminant ( HDCF ) .

  19. 平面椭圆与二次曲线间位置关系的判别式

    Discriminant of Position Relationship between an Ellipse and a Quadratic Curve

  20. 提出跳齿现象发生的判别式;

    Discriminant of the occurrence of tooth skipping is presented .

  21. 选择最小方差阈值的判别式方法

    A Method for Selection of Discriminant for Least Square Threshold

  22. 电感性电路本质安全性能判别式的研究

    Research on Discriminant for Intrinsically Safe Performance of Inductive Circuit

  23. 就地判别式切机装置测试仪的研究

    Research on Testing Instruments for Tripping boas Using Local Information

  24. 现有冲积河流河型判别式及其功能的研究

    Study on existing channel pattern discriminants and their functions for alluvial rivers

  25. 基于判别式分析和神经网络的特征选择方法

    Feature selection approach based on discriminant analysis and neural networks

  26. 正交各向异性介质隧洞围岩稳定分析判别式

    Stability discriminant for analyzing tunnel surrounding rock with normal anisotropy

  27. 人们可以证明分子的判别式为正。

    One can show that the discriminant of the numerator is positive .

  28. 连铸坯连续矫直过程的判别式与调节

    Discriminant and Regulation of Continuous Straightening Process for Slab Casters

  29. 结式和判别式在代数体函数中的应用

    The Applications of the Eliminant and Discriminant in Algebroid Function

  30. 应用线性判别式分析对所提取的特征进行分类。

    Then linear discriminant analysis was applied to classify the extracted features .