查询词典 detecting system

On the subject of the composition and working principle of the proposed system, the control module, motor diffluence module and distribution module of hydraulic system, position detecting module and PLC control module of electric system are analyzed and designed.

针对该系统的组成和工作原理，具体分析设计了液压同步控制系统的控制阀组、马达分流模块、配油模块；电气同步控制系统的位置测量模块、 PLC 控制模块等。

Because it will show double refraction after the sine wave operate on crystal, it will make the latter part of this system, the signal disposal part, give demand with detecting the output wave and deal with it so that the system can meet the demand of the system. The system can be applied to the occasion of automatic control system etc.

利用正弦波通过晶体后能产生双折射现象，使系统的后一部分——信号处理部分通过对其的检测、处理，给出命令信号，进行随动跟踪，然后应用于自控系统等场合。

Various mining type explosion-proof equipments and apparatus, gas alarming apparatus , ventilator and ventilation testing apparatus , mining type wire rope and its flaw detector, mine engine transportation surveillance controlling system, hydraulic pressure supporter, mining type sensor ,breathing protection apparatus, mine escaping/self-saving apparatus, rescuing apparatus, communication apparatus, TV surveillance controlling apparatus, mine safety surveillance controlling system, mine information management system ,dust removing apparatus, mine temperature lowering apparatus, noise-proof apparatus, under-well lighting apparatus, safety sign, exposure suit, safety detecting ,supervising, surveillance controlling technology and apparatus, fire forecasting system, fire fighting apparatus ,tool ,fire engine ,fire extinguisher and so on.

煤矿安全、视频监控、劳动防护、矿山救护与灾害防治技术设备等：各种矿用防爆器材及电器、瓦斯报警设备、风机及通风测试设备、矿用钢丝绳及钢丝绳探伤仪、矿井机车运输监控系统、矿用传感器、呼吸防护设备、矿山逃生/自救设备、抢险装备、通讯设备、电视监控设备、矿山安全监控系统、矿山信息管理系统、除尘设备、矿井降温设施、噪声防护设备、井下照明设备、安全标志、防护服装、安全检测、监测、监控技术及设备、火情预报系统、救火设备、工具、消防车辆、灭火器材、通风、排水等各环节技术装备等。

First of all, this paper introduces the whole design project and interrelated knowledge about Non-destructive detection, ultrasonic detection, and Phased-Array ultrasonic detection Then the paper depicts the principle of Phased-Array focus and abstracts a set of math model and feasible arithmetic on the base of the real parameter of the system. Put forward several problems that exist during the course of system development and program. Introduce some measures of distinguish that are often used in non-destructive detecting and echo wave crest. Then I depict one of the measures in detail that used in the course of non-destructive detection, which is the way of distinguishing whether defects exist or not. Then provide part core program to realize it. This paper also provides main flow chart through analyzing how main control program controls different parts to make the whole system more effective.

然后在文中以较大的篇幅，描述了相控阵聚焦的原理，并根据该系统的实际参数，抽象出一套数学模型和可行的算法，在此基础上提出了在系统开发过程及编程实现过程中存在的一些问题；介绍了在无损检测中缺陷的分类和对回波峰常用的识别方法，详述了系统开发过程中使用的其中一种识别方法，即判别是否存在缺陷的算法，并给出实现之的部分核心程序；详述主控程序如何控制各部分并协调各相关软件的工作，使整个系统发挥最高效能，并给出主要设计框图和程序。

This article advances a new method through analyzing the braking system of the mine hoist and the available testing methods of parameters. This method can be used to test the parameters of braking system by means of turning off power, applying the brake, detecting the distance and the hodograph of run after it, and basing on the effect of applying the brake. The parameters can be tested and displayed by using the system consisting of PC and TMS320F240 DSP produced by TI company.

本文通过对提升机闸控系统及其现有闸控参数检测方法的分析，提出了一种在提升机低速运行时，通过切断电源、施加制动闸，检测施闸后的行程和速度图，依据提升机制动效果，测试出提升机闸控系统参数的方法，并采用TI公司生产的TMS320F240 DSP和PC机组成的两级计算机系统来实现参数的检测和显示。

In this work, the performance of six-needle steel electrodes and four-needle graphite electrodes in detecting bio-impedance was compared. Also, coefficients of variability were applied to assess the stability of the system. Experiment showed that the coefficient of variation of the system was less than 6% if the frequency was above 1 kHz. Intra class correlation procedures were applied to assess the reliability of the system due to temperature variability. Values of Ri, Re, C in the system model were reliable with intra class correlations of more than 65%.

探讨了检测电极设计方案，比较分析了六钢针电极和四针石墨电极的性能，同时通过试验证明了系统的稳定性，1 kHz以上系统的变异系数CV＜6%；以组内相关系数ICC来评定在不同温度下系统的可靠性，系统模型中Ri、Re、C的ICC均大于65%，系统稳定可靠。

The design of a nonmental ultrasonic detector was introduced. The detector was based on EP2C20 series FPGA chip,through adding NiosII soft processor and other interfaces to FPGA ,equipped with high precision data collection system and TFT LCD module and so on.The system was constituted.It including ultrasonic eradiating,receive sychronously,audio parameter detecting automatically,data analyse and process,display result timely,data storage and data output circuits.For the developing of imaging,intelligent and automation of ultrasonictesting ,a very good foundation is established by the system.

介绍了非金属超声检测仪的软硬件设计方法该仪器以EP2C20系列FPGA芯片为核心，通过在FPGA中加载NiosII软核处理器和其他外围接口电路，配合高精度数据采集系统TFT液晶显示模块等设计而成该仪器集超声波发射同步接收声参量自动检测数据分析处理结果实时显示数据存储与输出等功能于一身，为数据的进一步分析处理和实现超声检测的图像化智能化自动化奠定了良好的基础

This literary grace uses to divide a piece modes, proceeding the analysis to the hardware design of whole system, and System diagram, dial up circuit , hang up circuit , ring detecting circuit, voice unit circuit are provided .The system makes use of serial communication .

本文采用分块的模式，对整个系统的硬件设计进行分析，分别给出了系统总体框图、振铃检测电路、摘/挂机控制电路、DTMF信号转换电路、语音单元的电路，并对相应电路设计进行相关的阐述。

Based on accurate step motor system parameters, the state equations describing step motor dynamic characteristics are set up. The operation of the self synchronization closed loop control system is simulated on computer. In the research the principle analysis and system design have been done about self synchronization closed loop operation. The relation between rotating EMF and the rotor position of the step motor is discussed. Through detecting the zero value of rotating EMF the rotor position of the step motor is indirectly obtained.

在得到准确的步进电动机系统参数的基础上，建立了描述步进电动机动态特性的状态方程，并对自同步闭环系统的动态特性进行了计算机仿真在论文的研究中，分析了旋转电势与电机位置的对应关系，通过旋转电势的过零检测间接得到转子位置信号，利用这种"间接传感器"方法实现了步进电动机的自同步闭环控制，论文从原理分析和系统设计两方面进行了研究。

The real-time PCR used SYBR GreenⅠsystem as control group to compare semi-quantitative PCR system. When detecting a lot of samples, semi-quantitative PCR system could separate them from more than 7% or less than 3% to decrease the numbers of samples for quantitating by real-time PCR.

实验同时使用real-time PCR之 SYBR Green Ι法作为对照检测系统，以此系统与半定量PCR检测系统比较，於大量检测样品时，可将样品初步区分基因转殖含量低於3%及高於7%，以减少必须使用real-time PCR定量之样品数，进而可缩短检验的时间及降低检验所需费用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。