Publication date
January 2005
DOI Publisher
铁道学报 Journal
issn:1001-8360Abstract
鉴于超声单波(回波)金属检测仪存在不能检测损伤大小和形状的问题,我们依据多波地震勘探的理论, 对超声多波金属检测仪进行了研究,并对其特性、原理及与其配套的三分量换能器等进行了分析,取得了实质性突破.国家自然科学基金中文核心期刊要目总览(PKU)中国科学引文数据库(CSCD)03109-1122
鉴于超声单波(回波)金属检测仪存在不能检测损伤大小和形状的问题,我们依据多波地震勘探的理论, 对超声多波金属检测仪进行了研究,并对其特性、原理及与其配套的三分量换能器等进行了分析,取得了实质性突破.国家自然科学基金中文核心期刊要目总览(PKU)中国科学引文数据库(CSCD)03109-1122
В статье рассмотрен способ уменьшения методической погрешности при определении дискретных характерис...
Train loads and travel speeds have increased over time, requiring more efficient non-destructive ins...
In the last ten years, over 1,000 train derailments that occurred in the US railroad system were cau...
传统金属回波(反射波)探伤法,我们称之为"单波检测法",用的是单分量探头.此方法不能直接检测伤的大小和形状,只能采用相对比较的方法,即用未知量(伤)与已知量(规则的...
Over the years, there is a peak in demand for railroad transportation. The increased usage of high-s...
Over the recent years, there is a growing demand for railroad transportation. It has become an essen...
Internal defects in rails and degrading ballast support conditions in railroad crossties (sleepers) ...
High speed railway train systems are a growing transportation solution in the beginning of the twent...
目前加速速度范围在0.01c—0.3c的粒子的超导腔主要使用四分之一波长腔型。用于不同加速器上的频率范围在50—240MHz的四分之一波长腔在建造或者预研中。这种腔型的一个不足是其横向电磁成分会造成束...
文章针对电力部门对电网运行质量进行监测的要求,论述了利用数字信号处理芯片(DSP)进行便携式电力谐波检测仪的研制.本系统达到了国家标准对谐波测量仪器的要求.01137-392
Рассмотрен наиболее распространенный на сегодняшний день эхо-метод ультразвукового контроля рельсов,...
Tez (Yüksek Lisans) -- İstanbul Teknik Üniversitesi, Fen Bilimleri Enstitüsü, 2014Thesis (M.Sc.) -- ...
This article describes the main stages of the complex analysis of the signals received by the ultras...
用Lie代数方法分析了强流直流柬在螺线管透镜中的传输,考虑了两种情况:一种情况是外磁场力大于空间电荷力,另一种情况是外磁场力小于空间电荷力.得到两种情况下的传输矩阵.分析结果编制成了程序,并计算了EC...
[[abstract]]此論文為振幅與相位不平衡檢測電路設計，包含功率檢測電路的設計與模擬量測，使用內建固定相移器用於相位偵測的新概念。在功率檢測電路設計上，使用負載改良的共閘極功率檢測單元，分別針對...
В статье рассмотрен способ уменьшения методической погрешности при определении дискретных характерис...
Train loads and travel speeds have increased over time, requiring more efficient non-destructive ins...
In the last ten years, over 1,000 train derailments that occurred in the US railroad system were cau...
传统金属回波(反射波)探伤法,我们称之为"单波检测法",用的是单分量探头.此方法不能直接检测伤的大小和形状,只能采用相对比较的方法,即用未知量(伤)与已知量(规则的...
Over the years, there is a peak in demand for railroad transportation. The increased usage of high-s...
Over the recent years, there is a growing demand for railroad transportation. It has become an essen...
Internal defects in rails and degrading ballast support conditions in railroad crossties (sleepers) ...
High speed railway train systems are a growing transportation solution in the beginning of the twent...
目前加速速度范围在0.01c—0.3c的粒子的超导腔主要使用四分之一波长腔型。用于不同加速器上的频率范围在50—240MHz的四分之一波长腔在建造或者预研中。这种腔型的一个不足是其横向电磁成分会造成束...
文章针对电力部门对电网运行质量进行监测的要求,论述了利用数字信号处理芯片(DSP)进行便携式电力谐波检测仪的研制.本系统达到了国家标准对谐波测量仪器的要求.01137-392
Рассмотрен наиболее распространенный на сегодняшний день эхо-метод ультразвукового контроля рельсов,...
Tez (Yüksek Lisans) -- İstanbul Teknik Üniversitesi, Fen Bilimleri Enstitüsü, 2014Thesis (M.Sc.) -- ...
This article describes the main stages of the complex analysis of the signals received by the ultras...
用Lie代数方法分析了强流直流柬在螺线管透镜中的传输,考虑了两种情况:一种情况是外磁场力大于空间电荷力,另一种情况是外磁场力小于空间电荷力.得到两种情况下的传输矩阵.分析结果编制成了程序,并计算了EC...
[[abstract]]此論文為振幅與相位不平衡檢測電路設計，包含功率檢測電路的設計與模擬量測，使用內建固定相移器用於相位偵測的新概念。在功率檢測電路設計上，使用負載改良的共閘極功率檢測單元，分別針對...
В статье рассмотрен способ уменьшения методической погрешности при определении дискретных характерис...
Train loads and travel speeds have increased over time, requiring more efficient non-destructive ins...
In the last ten years, over 1,000 train derailments that occurred in the US railroad system were cau...
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