搜索结果: 106-120 共查到“工学 identification”相关记录296条 . 查询时间(0.082 秒)
Identification of the slow E3 transition 136mCs -> 136Cs with conversion electrons
E3 136mCs 136Cs conversion electrons
2011/7/21
We performed at ISOLDE the spectroscopy of the decay of the 8- isomer in 136Cs by and conversion-electron detection. For the first time the excitation energy of the isomer and the multipolarity of its...
A Prototype of Signal Degradation Monitor Based on Wavelength Resolved Stokes Vector Analysis Featuring a Function of Identification of the Cause of Degradation
Optical communications Networks
2015/5/26
We resolved signal degradations due to DGD and OSNR from a single monitor source.We verified a precision of +/-0.2dB of Q-value experimentally with a monitor prototype and 160Gb/s signal.
Minimally Intrusive Identification of Traffic-Bearing Optical Fibers
Traffic-Bearing Optical Fibers Minimally Intrusive Identification
2015/5/18
An ongoing problem in any network finds craft personnel opening incorrect optical circuits for diagnosis. We demonstrate an instrument that non-intrusively induces a time-varying loss on optical fiber...
OTM- and OTDR-based cost-efficient Fiber Fault Identification and Localization in Passive Optical Network
OTM Passive Optical Network OTDR-based cost-efficient Fiber Fault
2015/5/18
PON monitoring based on combined Optical Time Domain Reflectometry (OTDR) and Optical Transceiver Monitoring (OTM) is presented. The results on a 25-km 1:32 PON prove the concept and show ~0.02 dB acc...
I-beam Crack Identification Based on Study of Local Flexibility due to Crack
crack identification I-beam local flexibility
2011/8/5
Local flexibility of crack plays an important role in crack identification of structures. Analytical methods on local flexibility in a cracked beam with simple geometric crossing sections, such as rec...
Chemical Characterization and Source Identification of Particulate Matter at an Urban Site of Navi Mumbai, India
PM2.5–10 PM2.5 PIXE EF analysis PCA
2016/3/28
Particulate matter samples were collected using a dichotomous sampler at a residential area of Vashi situated in Navi
Mumbai, India during the period of 2008. The sampler facilitates the simultaneous...
Identification of boundary condition on the contact surface of continuous casting mould
Application of information technology to the foundry industry Solidification process
2011/3/11
In the paper the methods of inverse problems solution are applied for the identification of substitute heat transfer coefficient in the primary cooling zone of continuous casting plant.
Utilization of DNA microarrays for detection and identification of selected Fusarium species from the Czech Republic
DNA microarrays fluorescent labelling Fusarium oligonucleotide probe PCR
2014/2/26
Fusarium is a serious phytopathogenic fungal genus with producting of many kinds of highly toxic secondary metabolites – mycotoxins. The consumption of Fusarium contaminated food and feed can cause da...
Composition analysis and structural identification of anthocyanins in fruit of waxberry
waxberry (Myrica rubra Sieb. et Zucc.) anthocyanin natural product pigment identification composition analysis
2014/2/25
Anthocyanin pigments in the fruit of waxberry (Myrica rubra Sieb. et Zucc.), were extracted with 0.1% HCl in ethanol, and the crude anthocyanin extract was purified by C18 Sep-Pak cartridge open-colum...
Development of a Benchtop Baking Method for Chemically Leavened Crackers. I. Identification of a Diagnostic Formula and Procedure
Development Benchtop Baking Method Chemically Leavened Crackers I. Identification of a Diagnostic Formula Procedure
2014/5/23
A benchtop baking method has been developed to predict the contribution of gluten functionality to overall flour performance for chemically leavened crackers. To identify a diagnostic cracker formula,...
Identification of the solution of the Burgers equation on a finite interval via the solution of an appropriate stochastic control problem
Stochastic Control Theory Lagrangain Brownian motion
2010/9/26
Solution of the inhomogeneous Burgers equation with given homogeneous Initial/Dirichlet boundary conditions are identified by a stochastic control problem. Our approach consists of identifying the sol...
车辆智能巡航控制纵向动力学参数快速辨识方法（A Fast Identification Method of Vehicle Longitudinal Dynamic Parameters for Intelligent Cruise Control）
车辆 智能巡航控制系统 纵向动力学参数 实验辨识
2010/12/29
为快速、低成本地获取用于智能巡航控制（ICC）的车辆纵向动力学参数，提出了一种基于车辆纵向动力学模型的参数实验辨识方法。设计了车辆静止、空挡滑行、带挡滑行、稳态行车和空挡制动5种工况的道路实验以采集数据，设计卡尔曼滤波器对实验数据进行预处理，基于最小二乘方法辨识车辆纵向动力学参数：滚动阻力因数、风阻因数、节气门制动切换曲线、制动增益和发动机速度特性。使用由该方法辨识出的参数标定车辆纵向动力学模型，...
基于特征优化和LS-SVM的棉田杂草识别（Weed Identification Based on Features Optimization and LS-SVM in the Cotton Field）
棉花 杂草识别 特征选择 粒子群优化算法
2010/12/29
为了提高杂草识别的精度和效率，提出了一种基于特征优化和最小二乘支持向量机（LS-SVM）技术的棉田杂草识别方法。在对原始图像灰度化、滤波去噪和阈值分割等处理的基础上，提取植物叶片的6个几何特征和7个Hu不变矩，用粒子群优化（PSO）算法对形状特征进行优化选择，缩减LS-SVM训练样本数据，然后用训练好的分类器进行杂草识别。实验结果表明，该方法在有效缩减形状特征的同时，能够保持高于原始特征集的识别率...
汽油机油膜模型参数辨识（Parameters Identification of the Fuel Film Model for Spark Ignition Engines）
汽油机 油膜模型 参数辨识
2010/12/28
为了提高汽油机瞬态空燃比的控制精度，油膜模型被广泛使用。回顾了油膜模型参数的传统辨识方法，提出了可加快辨识过程的解耦辨识法，实现了模型参数的解耦自动辨识。通过仿真试验，证明了该解耦辨识法的有效性。最后提出了较为理想的双方程辨识方法，可定量计算得到油膜参数的值。
Regression-class Tree based Method for Efficient Speaker Identification
Regression-class Tree Method Efficient Speaker Identification
2013/6/28
In this paper an efficient speaker identification (SpkID) method is proposed. In GMM-based speaker recognition, the model training and the likelihood score computations are very time...