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特征识别器
相关语句
  feature recognizer
     Design and Implementation of an Automatic Feature Recognizer Based on BP Network in Reverse Engineering
     逆向工程中基于BP网络的自动特征识别器的设计与实现
短句来源
     The feature recognition is an important technique to integration of CAD/CAPP. In this paper, it proposed a approach that extract manufacture feature from the model created by CAXA solid-XPr2. the system is composed by three module: Auto-recognition, Inter - recognition, feature recognizer, all of these are introduced in the paper.
     特征识别是实现CAD/CAPP集成的重要技术,本文运用该技术,实现了从CAXA实体设计XPr2的三维实体模型中提取出制造特征,本系统分为三大模块:自动特征识别,交互特征识别,特征识别器,在文中对这些分别作了介绍。
短句来源
     In this paper artificial neuron network(ANN) technique is applied to automatic recognition of features in reverse engineering, and a kind of automatic feature recognizer is designed with good extendibility based on BP network.
     应用BP网络技术设计了一种具有良好扩展性的基于前向反馈网络的自动特征识别器.
短句来源
  “特征识别器”译为未确定词的双语例句
     A Identified Implement About Characters Of Projectile Flying Away Muzzle ——The Principles Of Muzzle Magnetic Sensor And Its Performance Analysis
     弹丸飞离炮口特征识别器——炮口磁传感器原理及性能分析
短句来源
     Unified feature modelling technique is a hybrid of feature based design and feature recognition. In design stage, a part is described by initial features with four information models. When the downstream applications begins.
     一元化特征建模技术融特征设计和特征识别两者为一体,设计阶段的初始设计特征进入应用领域后,经过特征识别器形成领域专用特征。
短句来源
     The features recognizer has realized on the basis of graph theory.
     特征识别器基于图论知识,主要对特征的几何形面关系进行处理。
短句来源
  相似匹配句对
     the characteristics of inclusions;
     包体特征;
短句来源
     (2)essential features;
     基本特征;
短句来源
     ^^Recognizer of PN Language
     PN语言识别器
短句来源
     Calling Line Identifier: W9103
     用户呼叫识别器W91031
短句来源
     (3) Intelligent character recognition machine.
     (3) 智能字符识别器
短句来源
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  feature recognizer
Other feature information, such as machining features produced by a feature recognizer, could be used for future experiments.
      
The current implementation of the feature recognizer omits bottom blends on pockets as they are not crucial to the application.
      
We ran the FBMach feature recognizer over a set of 259 solid models for real world and realistic machined parts.
      


Feature modelling is the key issue to integrate information in CAD/CAM and even in Concurrent Engineering. Unified feature modelling technique is a hybrid of feature based design and feature recognition. In design stage, a part is described by initial features with four information models. When the downstream applications begins. those initial features are processed by feature recognizer and divided into applications specific features. The complete information of a feature include attributes model, geometry...

Feature modelling is the key issue to integrate information in CAD/CAM and even in Concurrent Engineering. Unified feature modelling technique is a hybrid of feature based design and feature recognition. In design stage, a part is described by initial features with four information models. When the downstream applications begins. those initial features are processed by feature recognizer and divided into applications specific features. The complete information of a feature include attributes model, geometry model, dimensions model and constraints model. The features recognizer has realized on the basis of graph theory. Compared with those two traditional techniques, this new one has been proven successful in our CAD/CAM system for progressive die.

特征建模是实现CAD/CAM以及并行工程(CE)中信息集成的关键。一元化特征建模技术融特征设计和特征识别两者为一体,设计阶段的初始设计特征进入应用领域后,经过特征识别器形成领域专用特征。每个特征的完整信息模型包括管理信息、几何信息、尺寸信息和约束信息。特征识别器基于图论知识,主要对特征的几何形面关系进行处理。我们提出的一元化特征建模技术兼取两种传统特征建模技术的优点,成功地应用在级进模CAD/CAM系统中

This paper presents a novel feature finder,which automatically generates a part interpretation in terms of machining features by vitalizing informant variety if sources such as nominal geometry,tolerances and attributes and design features. The feature finder uses one hint-Based approach,combining artificial intelligence techniques,such as blackboard artificial intelligence techniques,such as blackboard architecture and uncertain reasoning,for the geometric completion procedures.

介绍了一种智能特征识别器,它能利用零部件已有的几何、公差、属性以及设计特征等信息,自动生成相应的特征模型解析,特征识别机利用了一种基于线索的方法,并采纳了人工智能的技术,如黑板结构及不确定性推理方法,以达到几何完整性的推导。

This paper studies a novel approach to emend the result of the recognizer by applying the prior information on syllable confusion, named as Syllable Confusion Dictionary(SCD), which is estimated by the error of the recognizer. The approximated SCD is divided into two categories as context-dependent (CD) and context-independent (CI). As prior information, it characterizes the quality of pronunciation, recognition and their relation synthetically. In our experiments, we apply such a CD/CI SCD to a recognizer,...

This paper studies a novel approach to emend the result of the recognizer by applying the prior information on syllable confusion, named as Syllable Confusion Dictionary(SCD), which is estimated by the error of the recognizer. The approximated SCD is divided into two categories as context-dependent (CD) and context-independent (CI). As prior information, it characterizes the quality of pronunciation, recognition and their relation synthetically. In our experiments, we apply such a CD/CI SCD to a recognizer, which is used to recognize the putonghua with Shanghai accent, and get a relative improvement of 15%/20%. What is more, our study show that, combined with the MAP(Maximum a Posteriori) algorithm, this method can get better efficacy.

提出了一种基于对识别器识别错误的统计分析建立音节混淆字典,并应用该音节混淆字典作为识别器的先验知识来校正结果的识别方法。这种近似的音节混淆字典可以分与语境无关和相关两种情况讨论,作为一种先验知识,它综合地刻画了说话人的发音特征、识别器的识别特征以及二者之间的相对关系。实验中,我们应用语境无关/相关的音节混淆字典于识别带上海口音的普通话识别器,使其音节误识率分别下降15%及20%。在此基础上,本论文结合常规的声学模型参数重估自适应MAP(最大后验概率)算法进一步研究了这种方法应用于语音识别系统的实际效果。结果证明,二者互为补充,更大地提高了识别器的精度。

 
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