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LDA

美英

n.皱胃左移
网络局域密度近似(local density approximation)；线性判别分析(Linear Discriminant Analysis)；激光多普勒测速仪(Laser Doppler Anemometer)

LDA

英-汉网络释义

LDA

局域密度近似(local density approximation)

以局域密度近似（LDA）为代表的传统的电子结构计算方法，不能很好地处理电子之间的关联效应。因此很难应用于强关联材 …

线性判别分析(Linear Discriminant Analysis)

方法是线性判别分析（LDA）和相关的费谢尔线性判别，用于统计、图形识别和机器，学习发现区分两类或两类以上事物或事 …

激光多普勒测速仪(Laser Doppler Anemometer)

激光多普勒测速仪(LDA) laser Doppler anemometer 激光粒度仪 laser particle analyzer 激活剂 activator 技术措施 technical mea…

二异丙基氨基锂

由于二异丙基氨基锂（LDA）这类强碱属于硬碱，所以这种方法叫硬式烯醇化。如果使用路易斯酸先与醛酮羰基络合，则能极 …

线性鉴别分析

而线性鉴别分析(LDA)方法由于很好的利用了样本的类别信息,能够得到最佳的分类特征。另外,在传统的线性鉴别分析方法中是 …

例句：

In this paper , a new measuring result of the air motion in swirl chamber of a diesel engine by the 2D Arion LDA was presented .

本文介绍了采用二维氢离子 LDA （激光多普勒测速仪）对柴油机涡流室内空气运动特性的最新测试结果。

For PCA+LDA to be competitive, the crucial step is to select the most discriminant PCA features before performing LDA.

要使 PCA+LDA 方法性能更突出，关键的一步是在执行 LDA 之前选择最佳判别的 PCA 特征。

Linear discriminant analysis (LDA) is an effective method used to expand the limits of the samples which can make clustering more precise .

本文采用一种改进的线性判别分析（LDA ）方法，用于扩大样本类别间的距离，使聚类更为精确。

The combination of FCM and improved LDA is applied to SVM by multi models method, which can reinforce the algorithm .

将 FCM 算法与改进的 LDA 算法结合提取样本特征，然后通过多模型融入到 SVM 算法中。

The variation of residual reflectivity may result in the changing of the working characteristics of the phase -locked LDA.

前端面反射率的变化会直接影响到 LDA 锁相运行时的工作状态。

The experiments show that using PCA-LDA method in audio feature extraction is effective for improving the audio classification results.

实验表明，引入 PCA-LDA 特征集构造方法的音频分类模块能够对音频信息进行有效分类。

Secondly , due to redundancy and high domain of original features, the superior features are obtained by using B&B and LDA.

其次针对特征存在的冗余性及高维性，采用 B&B+LDA 对原始特征进行提取，从而获得有效的特征集；

This paper briefly discusses the process of face normalization , eigen face , the theory of LDA algorithm and the realization process .

简述人脸图像的标准化过程，特征脸，LDA 算法的原理及实现过程。

LDA possesses sedative-hypnotic effects in a certain dose .

LDA 在一定剂量下有镇静催眠作用。

This beautifully photographed, 176 page, full-color volume reflects LDA's lighting design philosophy by showcasing their very best work .

这本 176 页的精美彩图，通过大量优秀作品反映出照明设计联盟的设计理念。

Develop the pharmacological research on Sedative-hypnotic action of LDA.

开展 LDA 镇静催眠作用的药理学研究。

The result indicated: the method has a higher recognition rate than the traditional LDA and PCA in the lower dimension space .

实验表明，本文提出的方法在低维空间比传统 LDA 和 PCA 有更高的识别正确率。

Finally, this paper proposes an extension of LDA, affine invariant topic model (AITM), and applies AITM to object recognition .

接着本文提出了 LDA 一种的扩展模型 ――仿射不变的主题模型（AITM ），并且应用到物体识别问题。

In order to solve the linear discriminant in the small sample size problem , this paper presents a solution to PCA + LDA.

为解决线性判别中的小样本问题，本文提出了 PCA+LDA 的解决办法。

Sociedade Industrial de Lacticinios de Angola , Lda.

安哥拉乳业有限公司；

London Development Agency (LDA) has to bring about and supervise the switch-over.

伦敦发展局在源头上进行促进和监督。

After crystallized in ethanol , the purity of LDA is more than 98%.

LDA 粗品在乙醇中结晶后得到 LDA 精品，纯度达到 98%。

Investigation on Frequency Correction Methods and Its Application in Digital Spectrum LDA Processor

激光多普勒测速中的频谱校正及其应用

The preparative method of LDA reference substance, the method of identification and content determination was established ;

建立了 LDA 对照品制备方法、鉴别方法和含量测定方法；

Experiment Research of In-Cylinder Flow with LDA Measurement in a Four-Valve Diesel Engine

四气门柴油机缸内流场的 LDA 试验研究

LDA Measurement of Droplet Velocities in a High Injection Pressure Diesel Fuel Spray

柴油机高压喷雾碰壁前后粒子速度的 LDA 试验研究

LDA full field measurement of swirling flow inside container and the method to keep constant experiment Re number

空腔内旋转流动 LDA 整场测量及实验 Re 数恒定方法

Analytical Method on In-Cylinder Flow LDA Data in a Four-Valve Diesel Engine

四气门柴油机缸内流场 LDA 实验数据的分析研究

Estimation and Correction of the Bias for LDA Measurements

激光多普勒测速仪测量误差的估计和修正

LDA Fluid treatment extraction system (if not part of another system )

流体处理抽出系统（如果不是其它系统的一部分）

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