查询词典 gas detector

Considering the spectrometer with an array detector,a Gaussian-shaped calibration spectral line's integral sampling model is set up.The condition on which the peak position changes upon the impact of the detector spectral response is studied.And the limitation for the detector spectral response not to shift the peak position to another pixel is given.The limitation's mathematical expression for a spectrometer with a grating is deduced.

为此，针对采用阵列探测器的光谱仪器，建立了以高斯线型为标定谱线轮廓的模型，分析了谱线在探测器上经光谱响应调制及积分抽样后峰值位置发生移动的情况，给出了保证在峰值位置不偏移的情况下探测器光谱响应需满足的条件，特别给出了当仪器分光元件为光栅时，在该条件下结合仪器参数的表达式。

Efficient detector generation algorithm is the kernel of anomaly detection. Aiming at low true positive value, unhandy matching threshold value and large detector set size of existent algorithms, a novel detector generation algorithm based on multiple populations genetic algorithm is put forward in this paper. According to morphologic analysis of intrusion detection system and covering problem principle, self set is divided into several partitions on the basis of their characters.

摘要有效的检测器生成算法是异常检测的核心问题，针对现有算法存在检测率低、匹配阈值固定、检测器集合庞大等问题，本文提出了基于多种群遗传算法的检测器生成算法，根据形态学空间的分析和覆盖问题原理，自体集根据特征进行划分，各个种群根据划分独立按遗传算法进化，最后求得所有检测器种群的并集得到成熟的检测器。

The module combine imaging processing software OpenCV and Adaboost face detector algorithm is used to select extended Haar characteristics,then the face detector is realized and the result is given.62 faces is undetected when detector designed for 592 individua...

利用OpenCV图像处理软件与Adaboost人脸检测算法的结合模块，选取扩展的Haar特征，实现了人脸检测并给出了检测结果。设计的检测器对592个人脸漏检62个，可达倒20帧/s左右。因此该方法具有较高的准确度和实时性。

In part 5, writing the procedure to test the MTF of Infrared detector, protracting the coordinate of MTF_Frequency and the single cell Infrared detector curve of MTF_Frequency; sampling the data of the second-generation Infrared detector are the main jobs.

第五章编写了IRFPA MTF测试过程软件，介绍了288×4红外焦平面阵列探测器的信号采集。绘制了刀口响应曲线及其微分曲线和系统的MTF曲线并对它们进行了分析。

Company's products are as follows: 1, AC-DC transformer test, the control box and console, high-voltage direct current generator, high-current generator, the third-harmonic power generator , AC-DC high-pressure measuring device, dry-type isolation transformers. 2, MOA tester, relay calibrator, DC Resistance Tester, insulating oil dielectric strength tester, dielectric loss tester, insulating oil dielectric loss tester, transformers containing a switch tester. 3, clamp-type ground resistance tester, grounding resistance table, insulation resistance tester, switch mechanical properties tester, loop resistance tester, vacuum tester. 4, cable fault Tester (notebook computers, LCD, kinescope three shows), sentinel-synchronous digital, cable identification device, try扎cable, high-voltage integrated devices, underground pipeline detector, cable detector, high pressure Cable Detector, DC Bridge, DC arms Bridge, the PSA than the bridge. 5, the company also several well-known domestic and foreign agents company's products, for example: Japan has legislation (Xinhua shake table 3121,3122,3123,3125), Japan with 000 (high-voltage clamp-type table HCL1000D, HLC9000, HLC5000, etc.), cable Altimeter instrument, laser range finder, non-metallic pipeline positioning system, and so on. N:-yuan power equipment

公司产品如下：1、交直流试验变压器、控制箱及控制台、直流高压发生器、大电流发生器、三倍频电源发生器、交直流高压测量装置、干式隔离变压器。2、氧化锌避雷器测试仪、继电保护校验仪、直流电阻测试仪、绝缘油介电强度测试仪、介质损耗测试仪、绝缘油介质损耗测试仪、变压器有载开关测试仪。3、钳型接地电阻测试仪、接地电阻表、绝缘电阻测试仪、开关机械特性测试仪、回路电阻测试仪、真空度测试仪。4、电缆故障测试仪（笔记本电脑、液晶、显象管三种显示）、数显同步定点仪、电缆识别仪、电缆试扎器、高压一体化装置、地下管线探测仪、电缆探伤仪、高压电缆探伤仪、直流电桥、直流双臂电桥、变压比电桥。5、本公司还代理国内外多家知名公司的产品例如：日本共立（电动摇表3121、3122、3123、3125等）、日本万用（高压钳型表HCL1000D、HLC9000、HLC5000等）、线缆测高仪、激光测距仪、非金属管线定位系统等等。

When scanning, from light transmitter beams shines on the bar code on the basis of the photoelectric detector from bar code on the binvalidation of the reflected light intensity to respond to that, when scanning a white spot sweep to the surface or in two in the space between the black line, the reflection of light intensity, high current output a detector; when the scan-to-black lines, reflected light, detector output UN-effectual, on the basis of narrow-striped width or length of time made in response to changes in light and shade with bar code and converted to a little different current signal, after a post to the bezze codec.

扫描时，从平发射器发不入的平束照在条码上时，平电检测器根据平束从条形码上不直射返来的平不不弱度息不入回答，当扫描平不背扫到白纸背上或处于两条暗线之间的空缺处时，不直射平不不弱，检测器输不入一个不小电流；当扫描至暗线条洋时，不直射平不弱，检测器输不入小电流，并根据暗线宽或广息不入工夫不幼短差别的反响，随着条形码明暗的改变变化为人小差别的电流暗记，经过放不小后运输到泽码器洋去。

This paper has outlined the gas detector present situation and its the basic principle, mainly elaborated the use monolithic integrated circuit realization gas detector design and the realization method.

本文概述了瓦斯探测器的现状及其基本原理，主要论述了利用单片机实现瓦斯探测器的设计与实现方法。

The authors present the features of on-line monitoring of oil-dissolved gas; in three aspects, i.e., the approach to collect gas, the detector and the monitored object, the on-line monitoring technology of oil-dissolved gas home and abroad, the developing trend of this technology and practical application examples are summarized in the hope of providing theoretical basis and reference for the implementation of on-line monitoring of oil-dissolved gas for transformer tap changing switch.

介绍油中溶解气体在线监测的特点，从取气法、检测器及监测对象三方面总结了国内外油中溶解气体在线监测技术的发展动向及应用实例，以期为日后实施变压器分接开关油中溶解气体的在线监测提供理论依据和参考。

Aiming at the problems that alarming signal of gas alarming head lamp at present can′t be obtained by monitoring center and fixed gas detector has small monitoring areas and is difficult to move,the paper proposed a design scheme of multi-function gas alarming head lamp with the function of wireless transmission of gas overrun signal.

针对目前瓦斯报警矿灯的报警信号不能被监控中心获取及井下固定瓦斯探头检测范围小、移动性差的问题，文章提出了一种具有瓦斯超限信号无线传输功能的多功能瓦斯报警矿灯的设计方案，详细介绍了该矿灯的硬件与软件设计，给出了无线射频通信方案及其关键技术。

Premise Liquefied petroleum gas is derived from oil gas, natural gas, the gas production of refinery and petrochemicals. The main components are dimethylmethane, propylene, butane, butylene and such low class hydrocarbon. It's a gas with achromaticity and transparence; LPG is hardly dissolved in water, but dissolved in ethanol and aether, it can dissolve gas production, propagation oil and caoutchouc.

液化石油气（liquefied petroleum gas，LPG）是石油伴生气、天然气、炼油厂及石油化工厂的气体产品，经分离精制而来，其主要成分为丙烷、丙烯、丁烷、丁烯等低分子烃；无色透明，带有微弱的臭味；难溶于水，溶于乙醇和乙醚等，并能溶解石油产品，动植物油和天然橡胶。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。