Ultrasonic transducer is the key unit in the whole quantitative ultrasound diagnosis system whose performance relates to the transducer closely .

超声波传感器是定量超声测量仪的关键 部件，定量超声测量仪的性能好坏与其密切相关，研制高性能的超声波传感器对开发整个定量超声 诊断系统具有重要的意义。

Application of Intelligent Diagnosis Technology in Vibration Fault Diagnosis for Hydropower Generating Unit Diagnosis

智能诊断技术在水电 机组振动故障 诊断中的应用

Under this background the diagnostic system has been developed during the development of electronic control unit to realize on-board and off-board diagnosis .

针对这种情况，在电子控制 单元的开发过程中增加了诊断系统，以实现在线 诊断和离线 诊断功能。

So it is very important for the hydropower generating unit to research vibration fault diagnosis and ensure its stable operation .

因此，对机组振动故障进行 诊断， 及时 发现和排除系统故障，对保障水电 机组稳定运行十分重要。

Design of Central Control Unit in Subway Train Fault Diagnosis System

地铁列车故障 诊断系统中央控制 单元设计

Basing on the investigation for the work and rest of unit and school systemic analysis and diagnosis for problems have be done for the space-time distributing to research in the investigation space .

基于中心城区 单位与学校的作息时间调查等，对作息问题时间空间分布等进行系统分析与问题 诊断，进行调整空间范围研究；

Conclusion Bubonic plague colloid gold technology is suitable for the basic unit and the thunderbolt fast diagnosis bubonic plague new method .

结论鼠疫胶体金技术适用于 基层和突发事件快速 诊断鼠疫的新方法。

The whole detecting system consists of the data collecting unit wireless communication unit and control diagnosis unit .

整个检测系统由数据采集及初处理单元，无线传输 单元和控制 诊断单元等三个部分组成。

Traditionally redundant hardware is used to enhance the reliability of steam turbine unit monitoring and diagnosis system .

采用硬件的冗余配置是提高可靠性的传统方法，虚拟传感器可实现对汽轮发电 机组监测 诊断系统中参数测点的软件冗余。

The method was investigated about Backpropagation ( BP ) artificial neural network ( ANN ) application to chiller unit s faults detection and diagnosis ( FDD ) . Furthermore the model of BP artificial neural network was also built based on a real chiller unit test data .

研究了BP神经网络用于制冷 机组故障检测与 诊断的方法，并且用来自真实测量的数据建立了冷水机组 故障检测与诊断的BP神经网络模型。

Based on scheme above it uses component technology to package knowledge management and maintenance fault diagnosis inference module and develops the new power unit start-up and commissioning of fault diagnosis expert system which verifies the correctness and feasibility of the scheme .

并根据以上方案，采用组件技术封装知识库管理与维护、故障诊断推理模块，开发实现了电站新 机组启动调试故障 诊断专家系统，从而验证了该方案的正确性和可行性。

Based on the real field engineering of large-scale rotary machine the paper sets up a spatial rotor 's diagnosis model through a three hierarchical information fusion of data level and character level and decision level a compressor unit using the diagnosis model is diagnosed .

根据大型回转机械现场实际，采用数据层、特征层和决策层3层次的混合信息融合技术，建立了空间转子诊断模型，并利用该 诊断模型对某大型压缩 机组进行了故障诊断。

A lubrication and wear condition monitoring system is designed for the natural gas pressurization units in the long-distance natural gas transportation in accordance with the structure and operation characters of the unit and the new development of the fault diagnosis technology .

针对天然气长输管道增压 机组的结构及运行特点，结合国内外故障 诊断技术的最新发展，设计出增压 机组润滑与磨损状态监测系统方案。

In view of the design demand fault diagnosing system including the automatic test functional unit and intelligent diagnosis functional unit was proposed .

针对设计需求，提出了包含自动测试和智能 诊断两大功能 单元的故障诊断系统。

The data fusion algorithm for hydropower generator unit fault diagnosis

水电 机组故障 诊断中的数据融合算法

and the design of the hardware and software of the field monitoring unit communication control unit and the diagnosis expert system have also been discussed .

研究了以PC微机为监控主机，基于BITBUS现场总线的通信子网，并对现场监控单元、通信 控制器以及 诊断专家系统等硬件、软件进行了设计。

Put forward the grid unit diagnosis process think grid unit of the main content and the diagnosis elements include marketing channel management organization marketing channel operation marketing channel service and support marketing channel economic benefits and summed up the grid unit of diagnosis method .

同时认为网格 单元 诊断的主要内容与要素包括营销渠道管理组织、营销渠道运行、营销渠道服务与支持、营销渠道经济效益。

Because other redundant hardware unit is not needed no effect resulted from other redundant hardware unit affects fault diagnosis resource is saved the cost of fault diagnosis is low and reliability is high .

由于不需要其他冗余硬件设备，因此故障 诊断不受其他冗余硬件 设备的影响，节省资源，价格便宜，可靠性高。

The inference unit divided into routine diagnosis method and the intelligent diagnosis method .

推理 单元分为常规 诊断法和智能诊断法。

A Circuit Unit Fault Diagnosis Expert System Using Hybrid Inference

采用混合推理方式的电路 单元故障 诊断专家系统

The overall framework of fault diagnosis system based on EMD-2D-HMM was devised and the composition and design scheme of data acquisition system and preprocessing unit and fault diagnosis software package were studied in detail .

设计了基于EMD&2D-HMM故障诊断系统总体框架，重点研究了数据采集及预处理 单元和故障 诊断软件包的结构组成及设计方案。

In order to reduce the losses of unit fault a perfect wind turbine fault diagnosis system is required .

为了减少 机组故障带来的损失，必须建立一个完善的风力发电机故障 诊断系统。

The cooling unit and the fuel gas supply unit of this diagnosis device also can exactly diagnose the fuel cell in the case of the cooling unit and the fuel gas supply unit of the fuel cell is damaged .

当燃料电池的冷却系统或燃料气体供给系统受到损坏时，利用该 诊断装置的冷却单元和燃料气体供给 单元也可以对燃料电池堆进行准确的诊断。

To solve the confliction between the location of data sampling unit and processing unit a set of fault diagnosis monitor system for mobile device based on DSP and WLAN is developed .

为解决数据采集装置和分析处理 装置位置不统一的矛盾，以DSP为平台，开发了一套基于无线局域网的移动设备故障 诊断监控系统。

Rough Set Theory and It 's Application Potential Analysis in Hydropower Unit Mechanical Fault Diagnosis

粗集理论在 水力机械故障 诊断中的应用潜力分析

For the disadvantages of difference of parameter unit and magnitude in the diagnosis vectors the traditional grey correlation method to fault diagnosis of diesel engine may cause the result a rather serious error .

传统的灰色关联度故障诊断方法，由于存在故障 诊断的模式向量中参数 量纲不同、数量级差异等缺点，可能导致诊断结果存在较大的误差。

The diagnosis basic unit of lowest layer found out with fault diagnosis expert system based on diagnosis basic unit and rule according to initial fault phenomenon . The final fault orientation was realized by mixed reasoning of positive and reversed direction of multiplayer .

基于 诊断基 元和产生式规则的专家系统，根据初始故障现象找出最底层故障基元，通过多层正反向混合推理实现故障最终定位。

In this paper a Network-based monitoring unit for condition monitoring and fault diagnosis of rotating machinery is designed and implemented .

该文设计并实现了针对旋转机械设备的网络化集成 监测 单元。

Neural Net Method of Purging Unit Fan Trouble Diagnosis

净化 装置风机故障 诊断的神经网络方法

The study was successfully applied to ZNY3 well pumping unit diagnosis instrument developed by Xi'an Petroleum Institute .

此方法在西安石油学院研制的ZNY-3型 抽油 机 诊断仪中得到了较好的应用。