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信号的
    SIGNAL TRANSMISSION FOR MATCHING CONTROL OF SHEARER AND CONVEYOR
    采煤机与输送机配合控制中信号的传输
    Analysis and optimizing practice of 7KT-12.5 excavator setting signal formation
    ЭКГ-12.5挖掘机给定信号的形成分析及优化实践
    In view of the problems existed in multi-level train hoisting signal system of coal mine, a kind of simple and practical hoisting signal unit combining the requirement of hoisting signal with practicality is designed.
    针对煤矿多水平串车提升信号系统存在的问题,按提升信号的要求结合实际设计一种简单实用的提升信号装置。
    STUDY ON DETECTION METHOD OF EARLY SIGNAL IN TEM
    瞬变电磁勘探中早期信号的检测方法研究
    Methodical Research on Extraction and Reconstituted Signal in Noise —a New Method for Early Monitoring of On-line Faults
    噪声中提取和重构信号的方法研究——用于在线故障早期监测的新途径
    Vibration Signal Measurement and Analysis on a Laboratory Ball Mill
    试验用球磨机振动信号的测试与分析
    Phase Space Analysis on Electromagnetic Emission Signal of Coal or Rock
    煤岩电磁辐射响应信号的相空间分析
    Study of Wavelet Packet and Threshold Denoising of Fan Vibration Signal
    通风机振动信号的小波包阈值除噪研究
    Traditional Fourier transform is whole transform and can't reflect signal's local characteristic that is our needing.
    但由于Fourier变换是整体变换,不能反映信号的时频局域特性,而我们最需要的就是这些局部特性。
    3 bring upped the calculation methods on the valid useful signal, transition process influence time, ramp waveform influence time, zero time;
    3 提出了有效有用信号的确定,过渡过程影响时间的确定,斜阶跃影响时间的确定,零计时确定的方法,为不作影响因素改正,直接利用无影响的数据提供临界时间;
    Here design scheme exploring the net of some real time dynamic image in industrial control process is discussed, including data signal acquisition and application program interface, selection of common dynamic Web server development modes.
    讨论了工业控制过程中对一些实时动态图象在网上浏览的设计方案,包括数据信号的采集及应用程序接口设计; 常见的动态Web 服务器开发方式的选择;
    In this system, continuously variable slope delta modulation(CVSD) is used to change the analogy signal into digital, GFM is used to modulate the signal, FDMA, PLL frequency synthesizer.
    这种系统采用连续可变斜率增量调制 (CVSD)来实现语音信号的编码、GFM调制解调方式、FDMA、PLL频率合成器技术。
    Complex signal analysis is applied to separate instantaneous spectra, instantaneous phase and instantaneous frequency from Ground Penetrating Radar(GPR)signal.
    作者利用复信号分析方法分离出地质雷达信号的瞬时振幅、瞬时相位、瞬时频率等参数 ,通过一维数值模拟对其进行多参数分析 ,并进行了工程应用。
    Using fuzzy filtering technology and fractal technology, fuzzy fractal filtering is brought forward to effectively solve multi-wave disturb and to shorten the radar sub-wave duration on reflect interface that improve the resolution of radar signal.
    应用模糊滤波技术和分形技术相结合的方法 ,提出模糊分形滤波技术 ,有效的解决了多次波干扰的问题 ,同时缩短了雷达子波在反射界面的延续时间提高了探地雷达信号的分辨率。
    In order to study the characteristics of the early signal with TEM the transient process of transient electromagnetic loop is discussed and the theoretical equation for the self-transient signal is given. The amplitude and the decay time scope of different loop are calculated.
    为研究瞬变电磁早期信号的特性 ,分析了瞬变电磁线圈等效回路的暂态过程 ,得出线圈自感信号振幅的理论表达式 ,计算了不同大小线圈的自感信号的幅值和衰减时间范围 ,得出了瞬变电磁测深法对地探测时存在一个不可分辨的“盲深度”。
    Article through to recent old signalling system in aspect and so on signal transmission,control and function comparison,Introduced the PLC technology in the vice-well promotion signal the application merit and the promoted application prospect.
    文章通过对新旧信号系统在信号的传输、控制及功能等方面的比较,介绍了PLC技术在副井提升信号中应用的优点和推广应用的前景。
    The paper offers the design scheme of the wireless transmit-and-re- ceive sensor for the locomotive number by applying decode chip PT2262/2272, the transmit-and-receive module TX315A and the single-chip processor AT89C2051 . To transmit signal intermittently is realized and shared channel interference is solved perfectly, which has been applied to the practical production.
    提出了利用编解码芯片PT2262/2272、发射接收模块TX315A及单片机AT89C2051实现的无线收发式车号传感器的设计方案。 实现了信号的间歇式发射,很好地解决了同频干扰问题,并已运用于生产实践中。
    Being aim at pressure filter of TZJ96-3 type and GPJ96Z/3-C type,feed gate and proximity swith of collecting and controling its signal to be in position occurs as defect.
    针对TZJ96-3和GPJ96Z/3-C型号的加压过滤机,排料闸板与采集并控制其开关到位信号的接近开关,在安装方式上存在设计缺陷。
    In view of the problems existed in multi-level train hoisting signal system of coal mine,a kind of simple and practical hoisting signal unit combining the requirement of hoisting signal with practicality is designed.
    针对煤矿多水平串车提升信号系统存在的问题,按提升信号的要求结合实际,设计了一种简单实用的提升信号装置。
    Combining with the feature of underground mining track signal,the design scheme and the System's characteristic were first introduced. Then the synthesis process and realization of communication based on the software STEP7 were discussed intensively,STEP7 was the working platform of CP5613 and IM183-1 which made them work properly.
    首先结合井下铁路信号的特点,介绍系统的总体设计方案及其特点,详细介绍基于STEP7软件的CP5613和IM183-1的组态过程及通信的实现。
 

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